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Intel® Xeon® Processor D-1540

Intel® Xeon® Processor D-1541

Intel® Xeon® Processor D-1548

Intel® Xeon® Processor D-1567

Intel® Xeon® Processor D-1581

Intel® Xeon® Processor D-1587

Essentials


Product Collection
Vertical Segment
Processor Number
Lithography
Use Conditions


Product Collection	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Intel® Xeon® D Processor	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Intel® Xeon® D Processor	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Intel® Xeon® D Processor	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Intel® Xeon® D Processor	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Intel® Xeon® D Processor	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Intel® Xeon® D Processor
Vertical Segment	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Server	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Server	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Server	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Server	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Server	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Server
Processor Number	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) D-1540	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) D-1541	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) D-1548	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) D-1567	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) D-1581	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) D-1587
Lithography	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 14 nm	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 14 nm	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 14 nm	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 14 nm	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 14 nm	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 14 nm
Use Conditions			Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Communications	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Communications


Product Collection	Intel® Xeon® D Processor Intel® Xeon® D Processor Intel® Xeon® D Processor Intel® Xeon® D Processor Intel® Xeon® D Processor Intel® Xeon® D Processor
Vertical Segment	Server Server Server Server Server Server
Processor Number	D-1540 D-1541 D-1548 D-1567 D-1581 D-1587
Lithography	14 nm 14 nm 14 nm 14 nm 14 nm 14 nm
Use Conditions	Communications Communications

CPU Specifications


Total Cores
Total Threads
Max Turbo Frequency
Intel® Turbo Boost Technology 2.0 Frequency^‡
Processor Base Frequency
Cache
TDP


Total Cores	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 8	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 8	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 8	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 12	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 16	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 16
Total Threads	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 16	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 16	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 16	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 24	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 32	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 32
Max Turbo Frequency	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 2.60 GHz	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 2.70 GHz	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 2.60 GHz	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 2.70 GHz	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 2.40 GHz	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 2.30 GHz
Intel® Turbo Boost Technology 2.0 Frequency^‡	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 2.60 GHz	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 2.70 GHz	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 2.60 GHz	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 2.70 GHz	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 2.40 GHz	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 2.30 GHz
Processor Base Frequency	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 2.00 GHz	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 2.10 GHz	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 2.00 GHz	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 2.10 GHz	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 1.80 GHz	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 1.70 GHz
Cache	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 12 MB	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 12 MB	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 12 MB	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 18 MB	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 24 MB	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 24 MB
TDP	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 45 W	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 45 W	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 45 W	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 65 W	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 65 W	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 65 W


Total Cores	8 8 8 12 16 16
Total Threads	16 16 16 24 32 32
Max Turbo Frequency	2.60 GHz 2.70 GHz 2.60 GHz 2.70 GHz 2.40 GHz 2.30 GHz
Intel® Turbo Boost Technology 2.0 Frequency^‡	2.60 GHz 2.70 GHz 2.60 GHz 2.70 GHz 2.40 GHz 2.30 GHz
Processor Base Frequency	2.00 GHz 2.10 GHz 2.00 GHz 2.10 GHz 1.80 GHz 1.70 GHz
Cache	12 MB 12 MB 12 MB 18 MB 24 MB 24 MB
TDP	45 W 45 W 45 W 65 W 65 W 65 W

Supplemental Information


Marketing Status
Launch Date
Embedded Options Available
Datasheet
Product Brief


Marketing Status	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Launched	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Launched	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Launched	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Launched	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Launched	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Launched
Launch Date	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Q1'15	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Q4'15	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Q4'15	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Q1'16	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Q1'16	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Q1'16
Embedded Options Available	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) No	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) No	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) No	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes
Datasheet	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) View now	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) View now	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) View now	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) View now	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) View now
Product Brief	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) View now	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) View now	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) View now


Marketing Status	Launched Launched Launched Launched Launched Launched
Launch Date	Q1'15 Q4'15 Q4'15 Q1'16 Q1'16 Q1'16
Embedded Options Available	No No Yes Yes No Yes
Datasheet	View now View now View now View now View now
Product Brief	View now View now View now

Memory Specifications


Max Memory Size (dependent on memory type)
Memory Types
Maximum Memory Speed
Max # of Memory Channels
ECC Memory Supported ^‡


Max Memory Size (dependent on memory type)	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 128 GB	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 128 GB	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 128 GB	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 128 GB	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 128 GB	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 128 GB
Memory Types	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) DDR4	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) DDR4, DDR3	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) DDR4, DDR3	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) DDR4, DDR3	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) DDR4, DDR3	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) DDR4, DDR3
Maximum Memory Speed	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 2133 MHz	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 2400 MHz	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 2400 MHz	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 2133 MHz	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 2133 MHz	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 2133 MHz
Max # of Memory Channels	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 2	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 2	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 2	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 2	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 2	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 2
ECC Memory Supported ^‡	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes


Max Memory Size (dependent on memory type)	128 GB 128 GB 128 GB 128 GB 128 GB 128 GB
Memory Types	DDR4 DDR4, DDR3 DDR4, DDR3 DDR4, DDR3 DDR4, DDR3 DDR4, DDR3
Maximum Memory Speed	2133 MHz 2400 MHz 2400 MHz 2133 MHz 2133 MHz 2133 MHz
Max # of Memory Channels	2 2 2 2 2 2
ECC Memory Supported ^‡	Yes Yes Yes Yes Yes Yes

Expansion Options


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


Scalability	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 1S Only	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 1S Only	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 1S Only	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 1S Only	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 1S Only	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 1S Only
PCI Express Revision	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 2.0/3.0	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 2.0/3.0	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 2.0/3.0	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 2.0/3.0	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 2.0/3.0	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 2.0/3.0
PCI Express Configurations ^‡	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) x4 x8 x16	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) x4 x8 x16	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) x4 x8 x16	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) x4 x8 x16	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) x4 x8 x16	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) x4 x8 x16
Max # of PCI Express Lanes	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 32	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 32	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 32	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 32	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 32	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 32


Scalability	1S Only 1S Only 1S Only 1S Only 1S Only 1S Only
PCI Express Revision	2.0/3.0 2.0/3.0 2.0/3.0 2.0/3.0 2.0/3.0 2.0/3.0
PCI Express Configurations ^‡	x4 x8 x16 x4 x8 x16 x4 x8 x16 x4 x8 x16 x4 x8 x16 x4 x8 x16
Max # of PCI Express Lanes	32 32 32 32 32 32

I/O Specifications


# of USB Ports
USB Revision
Total # of SATA Ports
Integrated LAN
General Purpose IO
UART


# of USB Ports	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 8	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 8	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 8	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 8	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 8	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 8
USB Revision	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 2.0/3.0	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 2.0/3.0	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 2.0/3.0	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 2.0/3.0	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 2.0/3.0	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 2.0/3.0
Total # of SATA Ports	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 6	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 6	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 6	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 6	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 6	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 6
Integrated LAN	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes
General Purpose IO	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes
UART	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes


# of USB Ports	8 8 8 8 8 8
USB Revision	2.0/3.0 2.0/3.0 2.0/3.0 2.0/3.0 2.0/3.0 2.0/3.0
Total # of SATA Ports	6 6 6 6 6 6
Integrated LAN	Yes Yes Yes Yes Yes Yes
General Purpose IO	Yes Yes Yes Yes Yes Yes
UART	Yes Yes Yes Yes Yes Yes

Networking Specifications


Interfaces Supported


Interfaces Supported	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 10GBase-T	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) SFI, KR, KX, 1000Base-T, 10GBase-T	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) SFI, KR, KX, 1000Base-T, 10GBase-T	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) SFI, KR, KX, 1000Base-T, 10GBase-T	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) SFI, KR, KX, 1000Base-T, 10GBase-T	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) SFI, KR, KX, 1000Base-T, 10GBase-T


Interfaces Supported	10GBase-T SFI, KR, KX, 1000Base-T, 10GBase-T SFI, KR, KX, 1000Base-T, 10GBase-T SFI, KR, KX, 1000Base-T, 10GBase-T SFI, KR, KX, 1000Base-T, 10GBase-T SFI, KR, KX, 1000Base-T, 10GBase-T

Package Specifications


Sockets Supported
Max CPU Configuration
T_CASE
Package Size


Sockets Supported	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) FCBGA1667	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) FCBGA1667	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) FCBGA1667	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) FCBGA1667	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) FCBGA1667	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) FCBGA1667
Max CPU Configuration	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 1	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 1	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 1	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 1	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 1	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 1
T_CASE	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 80°C
Package Size	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 37.5mm x 37.5mm	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 37.5mm x 37.5mm	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 37.5 mm x 37.5 mm	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 37.5 mm x 37.5 mm	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 37.5 mm x 37.5 mm	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 37.5 mm x 37.5 mm


Sockets Supported	FCBGA1667 FCBGA1667 FCBGA1667 FCBGA1667 FCBGA1667 FCBGA1667
Max CPU Configuration	1 1 1 1 1 1
T_CASE	80°C
Package Size	37.5mm x 37.5mm 37.5mm x 37.5mm 37.5 mm x 37.5 mm 37.5 mm x 37.5 mm 37.5 mm x 37.5 mm 37.5 mm x 37.5 mm

Advanced Technologies


Intel® Turbo Boost Technology ^‡
Intel® Hyper-Threading Technology ^‡
Intel® Transactional Synchronization Extensions
Intel® 64 ^‡
Instruction Set
Instruction Set Extensions
Idle States
Enhanced Intel SpeedStep® Technology
Thermal Monitoring Technologies


Intel® Turbo Boost Technology ^‡	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 2.0	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 2.0	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 2.0	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 2.0	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 2.0	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 2.0
Intel® Hyper-Threading Technology ^‡	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes
Intel® Transactional Synchronization Extensions	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes
Intel® 64 ^‡	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes
Instruction Set	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) 64-bit	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) 64-bit	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) 64-bit	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) 64-bit	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) 64-bit	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) 64-bit
Instruction Set Extensions	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Intel® AVX2	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Intel® AVX2	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Intel® AVX2	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Intel® AVX2	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Intel® AVX2	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Intel® AVX2
Idle States	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes
Enhanced Intel SpeedStep® Technology	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes
Thermal Monitoring Technologies	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes


Intel® Turbo Boost Technology ^‡	2.0 2.0 2.0 2.0 2.0 2.0
Intel® Hyper-Threading Technology ^‡	Yes Yes Yes Yes Yes Yes
Intel® Transactional Synchronization Extensions	Yes Yes Yes Yes Yes Yes
Intel® 64 ^‡	Yes Yes Yes Yes Yes Yes
Instruction Set	64-bit 64-bit 64-bit 64-bit 64-bit 64-bit
Instruction Set Extensions	Intel® AVX2 Intel® AVX2 Intel® AVX2 Intel® AVX2 Intel® AVX2 Intel® AVX2
Idle States	Yes Yes Yes Yes Yes Yes
Enhanced Intel SpeedStep® Technology	Yes Yes Yes Yes Yes Yes
Thermal Monitoring Technologies	Yes Yes Yes Yes Yes Yes

Security & Reliability


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


Intel® AES New Instructions	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes
Secure Key	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes
Intel® Trusted Execution Technology ^‡	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes
Execute Disable Bit ^‡	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes
Intel® OS Guard	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes
Intel® Virtualization Technology (VT-x) ^‡	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes
Intel® Virtualization Technology for Directed I/O (VT-d) ^‡	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes
Intel® VT-x with Extended Page Tables (EPT) ^‡	Intel® Xeon® Processor D-1540 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1541 (12M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1548 (12M Cache, 2.00 GHz) Yes	Intel® Xeon® Processor D-1567 (18M Cache, 2.10 GHz) Yes	Intel® Xeon® Processor D-1581 (24M Cache, 1.80 GHz) Yes	Intel® Xeon® Processor D-1587 (24M Cache, 1.70 GHz) Yes


Intel® AES New Instructions	Yes Yes Yes Yes Yes Yes
Secure Key	Yes Yes Yes Yes Yes Yes
Intel® Trusted Execution Technology ^‡	Yes Yes Yes Yes Yes Yes
Execute Disable Bit ^‡	Yes Yes Yes Yes Yes Yes
Intel® OS Guard	Yes Yes Yes Yes Yes Yes
Intel® Virtualization Technology (VT-x) ^‡	Yes Yes Yes Yes Yes Yes
Intel® Virtualization Technology for Directed I/O (VT-d) ^‡	Yes Yes Yes Yes Yes Yes
Intel® VT-x with Extended Page Tables (EPT) ^‡	Yes Yes Yes Yes Yes Yes

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Intel classifications are for informational purposes only and consist of Export Control Classification Numbers (ECCN) and Harmonized Tariff Schedule (HTS) numbers. Any use made of Intel classifications are without recourse to Intel and shall not be construed as a representation or warranty regarding the proper ECCN or HTS. Your company as an importer and/or exporter is responsible for determining the correct classification of your transaction.

Refer to Datasheet for formal definitions of product properties and features.

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