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Products

Intel® Core™ i7-920 Processor

Intel® Core™ i7-920 Processor

Intel® Core™ i7-950 Processor

Intel® Core™ i7-950 Processor

Intel® Xeon® Processor L5520

Intel® Xeon® Processor L5520

Intel® Core™ i7-980X Processor Extreme Edition

Intel® Core™ i7-980X Processor Extreme Edition

Intel® Core™ i7-2600 Processor

Intel® Core™ i7-2600 Processor

Intel® Xeon® Processor E3-1245

Intel® Xeon® Processor E3-1245

Intel® Core™ i7-990X Processor Extreme Edition

Intel® Core™ i7-990X Processor Extreme Edition

Intel® Core™ i7-3770K Processor

Intel® Core™ i7-3770K Processor

Essentials


Product Collection
Vertical Segment
Processor Number
Status
Launch Date
Lithography
Use Conditions


Product Collection	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Legacy Intel® Core™ Processors	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) Legacy Intel® Core™ Processors	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) Legacy Intel® Xeon® Processors	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) Legacy Intel® Core™ Processors	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Legacy Intel® Core™ Processors	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Intel® Xeon® Processor E3 Family	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) Legacy Intel® Core™ Processors	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Legacy Intel® Core™ Processors
Vertical Segment	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Desktop	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) Desktop	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) Server	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) Desktop	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Desktop	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Server	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) Desktop	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Desktop
Processor Number	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) i7-920	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) i7-950	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) L5520	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) i7-980X	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) i7-2600	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) E3-1245	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) i7-990X	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) i7-3770K
Status	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Discontinued	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) Discontinued	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) Discontinued	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) Discontinued	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Discontinued	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Discontinued	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) Discontinued	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Discontinued
Launch Date	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Q4'08	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) Q2'09	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) Q1'09	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) Q1'10	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Q1'11	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Q2'11	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) Q1'11	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Q2'12
Lithography	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 45 nm	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 45 nm	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 45 nm	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 32 nm	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 32 nm	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 32 nm	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 32 nm	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 22 nm
Use Conditions					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) PC/Client/Tablet

CPU Specifications


Total Cores
Total Threads
Max Turbo Frequency
Processor Base Frequency
Cache
Bus Speed
# of QPI Links
TDP
Intel® Turbo Boost Technology 2.0 Frequency‡


Total Cores	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 4	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 4	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 4	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 6	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 4	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 4	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 6	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 4
Total Threads	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 8	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 8	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 8	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 12	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 8	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 8	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 12	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 8
Max Turbo Frequency	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 2.93 GHz	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 3.33 GHz	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 2.48 GHz	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 3.60 GHz	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 3.80 GHz	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 3.70 GHz	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 3.73 GHz	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 3.90 GHz
Processor Base Frequency	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 2.66 GHz	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 3.06 GHz	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 2.26 GHz	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 3.33 GHz	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 3.40 GHz	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 3.30 GHz	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 3.46 GHz	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 3.50 GHz
Cache	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 8 MB Intel® Smart Cache	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 8 MB Intel® Smart Cache	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 8 MB Intel® Smart Cache	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 12 MB Intel® Smart Cache	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 8 MB Intel® Smart Cache	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 8 MB Intel® Smart Cache	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 12 MB Intel® Smart Cache	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 8 MB Intel® Smart Cache
Bus Speed	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 4.8 GT/s	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 4.8 GT/s	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 5.86 GT/s	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 6.4 GT/s	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 5 GT/s	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 5 GT/s	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 6.4 GT/s	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 5 GT/s
# of QPI Links	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 1	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 1	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 2	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 1			Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 1
TDP	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 130 W	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 130 W	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 60 W	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 130 W	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 95 W	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 95 W	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 130 W	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 77 W
Intel® Turbo Boost Technology 2.0 Frequency‡					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 3.80 GHz	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 3.70 GHz		Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 3.90 GHz

Supplemental Information


Embedded Options Available
Datasheet


Embedded Options Available	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) No	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) No	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) No	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) No	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) No	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) No	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) No
Datasheet	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) View now	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) View now	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) View now	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) View now	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) View now		Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) View now	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) View now

Memory Specifications


Max Memory Size (dependent on memory type)
Memory Types
Max # of Memory Channels
Max Memory Bandwidth
Physical Address Extensions
ECC Memory Supported ^‡


Max Memory Size (dependent on memory type)	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 24 GB	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 24 GB	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 144 GB	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 24 GB	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 32 GB	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 32 GB	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 24 GB	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 32 GB
Memory Types	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) DDR3 800/1066	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) DDR3 800/1066	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) DDR3 800/1066	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) DDR3 1066	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) DDR3 1066/1333	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) DDR3 1066/1333	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) DDR3 1066	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) DDR3 1333/1600
Max # of Memory Channels	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 3	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 3	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 3	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 3	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 2	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 2	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 3	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 2
Max Memory Bandwidth	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 25.6 GB/s	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 25.6 GB/s	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 25.6 GB/s	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 25.6 GB/s	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 21 GB/s	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 21 GB/s	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 25.6 GB/s	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 25.6 GB/s
Physical Address Extensions	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 36-bit	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 36-bit	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 40-bit	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 36-bit			Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 36-bit
ECC Memory Supported ^‡	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) No	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) No	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) Yes	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) No	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) No	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) No	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) No

Package Specifications


Sockets Supported
Max CPU Configuration
T_CASE
Package Size
Processing Die Size
# of Processing Die Transistors
Thermal Solution Specification


Sockets Supported	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) FCLGA1366	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) FCLGA1366	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) FCLGA1366	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) FCLGA1366	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) LGA1155	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) LGA1155	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) FCLGA1366	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) FCLGA1155
Max CPU Configuration	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 1	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 1	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 2	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 1	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 1	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 1	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 1	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 1
T_CASE	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 67.9°C	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 67.9°C	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 70°C	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 67.9°C	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 72.6°C	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 72.6°C	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 67.9°C	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 67.4°C
Package Size	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 42.5mm x 45.0mm	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 42.5mm x 45.0mm	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 42.5mm x 45mm	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 42.5mm X 45.0mm	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 37.5mm x 37.5mm	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 37.5mm x 37.5mm	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 42.5mm X 45.0mm	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 37.5mm x 37.5mm
Processing Die Size	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 263 mm²	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 263 mm²	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 263 mm²	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 239 mm²			Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 239 mm²
# of Processing Die Transistors	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 731 million	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 731 million	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 731 million
Thermal Solution Specification								Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 2011D

Advanced Technologies


Intel® Turbo Boost Technology ^‡
Intel® Hyper-Threading Technology ^‡
Intel® 64 ^‡
Instruction Set
Instruction Set Extensions
Idle States
Enhanced Intel SpeedStep® Technology
Intel® Demand Based Switching
Thermal Monitoring Technologies
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Identity Protection Technology ^‡
Intel® TSX-NI


Intel® Turbo Boost Technology ^‡	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 1.0	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 1.0	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 1.0	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 1.0	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 2.0	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 2.0	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 1.0	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 2.0
Intel® Hyper-Threading Technology ^‡	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) Yes	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) Yes	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes
Intel® 64 ^‡	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) Yes	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) Yes	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes
Instruction Set	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 64-bit	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) 64-bit	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) 64-bit	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) 64-bit	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 64-bit	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 64-bit	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) 64-bit	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 64-bit
Instruction Set Extensions	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Intel® SSE4.2	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) Intel® SSE4.2		Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) Intel® SSE4.2	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) Intel® SSE4.2	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Idle States	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) Yes	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) Yes	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes
Enhanced Intel SpeedStep® Technology	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) Yes	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) Yes	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes
Intel® Demand Based Switching	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) No	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) No	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) Yes	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) No		Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) No
Thermal Monitoring Technologies	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) No	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) No		Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) No	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) No	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes
Intel® Fast Memory Access					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes
Intel® Flex Memory Access					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes
Intel® Identity Protection Technology ^‡					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes		Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes
Intel® TSX-NI								Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) No

Security & Reliability


Intel® AES New Instructions
Intel® Trusted Execution Technology ^‡
Execute Disable Bit ^‡
Intel® Virtualization Technology (VT-x) ^‡
Intel® VT-x with Extended Page Tables (EPT) ^‡
Intel® Virtualization Technology for Directed I/O (VT-d) ^‡
Intel® vPro™ Platform Eligibility ^‡
Secure Key
Anti-Theft Technology


Intel® AES New Instructions	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) No	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) No		Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes
Intel® Trusted Execution Technology ^‡	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) No	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) No	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) No	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) No	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) No	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) No
Execute Disable Bit ^‡	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) Yes	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) Yes	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes
Intel® Virtualization Technology (VT-x) ^‡	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) Yes	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) Yes	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes
Intel® VT-x with Extended Page Tables (EPT) ^‡	Intel® Core™ i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes	Intel® Core™ i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel® QPI) Yes	Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) Yes	Intel® Core™ i7-980X Processor Extreme Edition (12M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes	Intel® Core™ i7-990X Processor Extreme Edition (12M Cache, 3.46 GHz, 6.40 GT/s Intel® QPI) Yes	Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes
Intel® Virtualization Technology for Directed I/O (VT-d) ^‡			Intel® Xeon® Processor L5520 (8M Cache, 2.26 GHz, 5.86 GT/s Intel® QPI) Yes		Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes		Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) No
Intel® vPro™ Platform Eligibility ^‡					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes		Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) No
Secure Key								Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes
Anti-Theft Technology								Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes

Processor Graphics


Processor Graphics ^‡
Graphics Base Frequency
Graphics Max Dynamic Frequency
Intel® Quick Sync Video
Intel® InTru™ 3D Technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® Clear Video HD Technology
# of Displays Supported ^‡
Device ID


Processor Graphics ^‡					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Intel® HD Graphics 2000			Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Intel® HD Graphics 4000
Graphics Base Frequency					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 850 MHz	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 850 MHz		Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 650 MHz
Graphics Max Dynamic Frequency					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 1.35 GHz	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 1.35 GHz		Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 1.15 GHz
Intel® Quick Sync Video					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes		Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes
Intel® InTru™ 3D Technology					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes		Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes
Intel® Flexible Display Interface (Intel® FDI)					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes		Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes
Intel® Clear Video HD Technology					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) Yes	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) Yes		Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) Yes
# of Displays Supported ^‡					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 2	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 2		Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 3
Device ID					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 0x102			Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 0x162

Expansion Options


PCI Express Revision
Max # of PCI Express Lanes
PCI Express Configurations ^‡


PCI Express Revision					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 2.0	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 2.0		Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) 3.0
Max # of PCI Express Lanes					Intel® Core™ i7-2600 Processor (8M Cache, up to 3.80 GHz) 16	Intel® Xeon® Processor E3-1245 (8M Cache, 3.30 GHz) 20
PCI Express Configurations ^‡								Intel® Core™ i7-3770K Processor (8M Cache, up to 3.90 GHz) up to 1x16, 2x8, 1x8 & 2x4

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