Intel® Xeon® 6766E Processor
Specifications
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Essentials
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Product Collection
Intel® Xeon® 6
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Code Name
Products formerly Sierra Forest
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Vertical Segment
Server
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Processor Number
6766E
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Lithography
Intel 3
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CPU Specifications
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Total Cores
144
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Total Threads
144
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Max Turbo Frequency
2.7 GHz
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Processor Base Frequency
1.9 GHz
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Cache
108 MB
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Intel® UPI Speed
24 GT/s
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Max # of UPI Links
4
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TDP
250 W
Supplemental Information
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Marketing Status
Launched
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Launch Date
Q2'24
Memory Specifications
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Max Memory Size (dependent on memory type)
1 TB
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Memory Types
DDR5-6400
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Maximum Memory Speed
6400 MHz
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Max # of Memory Channels
8
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ECC Memory Supported ‡
Yes
Expansion Options
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Scalability
2S
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PCI Express Revision
5.0
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Max # of PCI Express Lanes
88
Package Specifications
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Sockets Supported
FCLGA4710
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Package Carrier
E2B
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DTS Max
101 °C
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TCASE
84
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Package Size
77.5mm x 56.5mm
Advanced Technologies
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Intel® QuickAssist Technology (QAT)
2 default devices
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Intel® Dynamic Load Balancer (DLB)
2 default devices
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Intel® Data Streaming Accelerator (DSA)
2 default devices
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Intel® In-memory Analytics Accelerator (IAA)
2 default devices
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Intel® Resource Director Technology (Intel® RDT)
Yes
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Intel® 64 ‡
Yes
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Instruction Set Extensions
Intel® AVX2
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Intel® Volume Management Device (VMD)
Yes
Security & Reliability
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Intel® Trust Domain Extensions (Intel® TDX)
Yes
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Intel® Crypto Acceleration
Yes
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Intel® QuickAssist Software Acceleration
Yes
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Intel® Platform Firmware Resilience Support
Yes
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Intel® Control-Flow Enforcement Technology
Yes
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Intel® Total Memory Encryption - Multi Key
Yes
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Intel® Total Memory Encryption
Yes
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Intel® AES New Instructions
Yes
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Default Maximum Enclave Page Cache (EPC) Size for Intel® SGX
512 GB
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Intel® OS Guard
Yes
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Execute Disable Bit ‡
Yes
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Intel® Boot Guard
Yes
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Mode-based Execute Control (MBEC)
Yes
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Intel® Virtualization Technology (VT-x) ‡
Yes
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Intel® Virtualization Technology for Directed I/O (VT-d) ‡
Yes
Ordering and Compliance
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Ordering and spec information
Trade compliance information
- ECCN 5A992C
- CCATS 740.17B1
- US HTS 8542310001
Drivers and Software
Description
Type
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Date
All
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Processor Number
The Intel processor number is just one of several factors—along with processor brand, system configurations, and system-level benchmarks—to be considered when choosing the right processor for your computing needs. Read more about interpreting Intel® processor numbers or Intel® processor numbers for the Data Center.
Lithography
Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.
Total Cores
Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).
Total Threads
Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.
Max Turbo Frequency
Max Turbo Frequency is the maximum single-core frequency at which the processor is capable of operating using Intel® Turbo Boost Technology and, if present, Intel® Turbo Boost Max Technology 3.0 and Intel® Thermal Velocity Boost. Frequency is typically measured in gigahertz (GHz), or billion cycles per second.
For more details regarding the dynamic power and frequency operating range, refer to Performance Proxy Frequently Asked Questions (FAQs) for Intel® Processors.
Processor Base Frequency
Processor Base Frequency describes the rate at which the processor's transistors open and close. The processor base frequency is the operating point where TDP is defined. Frequency is typically measured in gigahertz (GHz), or billion cycles per second.
For more details regarding the dynamic power and frequency operating range, refer to
Cache
CPU Cache is an area of fast memory located on the processor. Intel® Smart Cache refers to the architecture that allows all cores to dynamically share access to the last level cache.
Max # of UPI Links
Intel® Ultra Path Interconnect (UPI) links are a high speed, point-to-point interconnect bus between the processors, delivering increased bandwidth and performance over Intel® QPI.
TDP
Thermal Design Power (TDP) represents the average power, in watts, the processor dissipates when operating at Base Frequency with all cores active under an Intel-defined, high-complexity workload. Refer to Datasheet for thermal solution requirements.
Launch Date
The date the product was first introduced.
Max Memory Size (dependent on memory type)
Max memory size refers to the maximum memory capacity supported by the processor.
Memory Types
Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels.
Max # of Memory Channels
The number of memory channels refers to the bandwidth operation for real world application.
ECC Memory Supported ‡
ECC Memory Supported indicates processor support for Error-Correcting Code memory. ECC memory is a type of system memory that can detect and correct common kinds of internal data corruption. Note that ECC memory support requires both processor and chipset support.
PCI Express Revision
PCI Express Revision is the supported version of the PCI Express standard. Peripheral Component Interconnect Express (or PCIe) is a high-speed serial computer expansion bus standard for attaching hardware devices to a computer. The different PCI Express versions support different data rates.
Max # of PCI Express Lanes
A PCI Express (PCIe) lane consists of two differential signaling pairs, one for receiving data, one for transmitting data, and is the basic unit of the PCIe bus. Max # of PCI Express Lanes is the total number of supported lanes.
Sockets Supported
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
TCASE
Case Temperature is the maximum temperature allowed at the processor Integrated Heat Spreader (IHS).
Intel® Resource Director Technology (Intel® RDT)
Intel® RDT brings new levels of visibility and control over how shared resources such as last-level cache (LLC) and memory bandwidth are used by applications, virtual machines (VMs) and containers.
Intel® 64 ‡
Intel® 64 architecture delivers 64-bit computing on server, workstation, desktop and mobile platforms when combined with supporting software.¹ Intel 64 architecture improves performance by allowing systems to address more than 4 GB of both virtual and physical memory.
Instruction Set Extensions
Instruction Set Extensions are additional instructions which can increase performance when the same operations are performed on multiple data objects. These can include SSE (Streaming SIMD Extensions) and AVX (Advanced Vector Extensions).
Intel® Volume Management Device (VMD)
Intel® Volume Management Device (VMD) provides a common, robust method of hot plug and LED management for NVMe-based solid state drives.
Intel® Trust Domain Extensions (Intel® TDX)
Intel® Trust Domain Extensions (Intel® TDX) is a confidential computing capability, designed to deploy hardware-isolated, virtual machines (VMs) called Trust Domains (TDs). It isolates VMs from the virtual-machine manager (VMM)/hypervisor and any other non-TD software on the platform to protect TDs from a broad range of software.
Intel® Crypto Acceleration
Intel® Crypto Acceleration reduces the performance impact of pervasive encryption and increases the performance of encryption-intensive workloads including SSL web serving, 5G infrastructure, and VPN/firewalls.
Intel® Control-Flow Enforcement Technology
CET - Intel Control-flow Enforcement Technology (CET) helps protect against the misuse of legitimate code snippets through return-oriented programming (ROP) control-flow hijacking attacks.
Intel® Total Memory Encryption
TME – Total Memory Encryption (TME) helps protect data against exposure via physical attack on memory, such as cold-boot attacks.
Intel® AES New Instructions
Intel® AES New Instructions (Intel® AES-NI) are a set of instructions that enable fast and secure data encryption and decryption. AES-NI are valuable for a wide range of cryptographic applications, for example: applications that perform bulk encryption/decryption, authentication, random number generation, and authenticated encryption.
Execute Disable Bit ‡
Execute Disable Bit is a hardware-based security feature that can reduce exposure to viruses and malicious-code attacks and prevent harmful software from executing and propagating on the server or network.
Intel® Boot Guard
Intel® Device Protection Technology with Boot Guard helps protect the system’s pre-OS environment from viruses and malicious software attacks.
Mode-based Execute Control (MBEC)
Mode-based Execute Control can more reliably verify and enforce the integrity of kernel level code.
Intel® Virtualization Technology (VT-x) ‡
Intel® Virtualization Technology (VT-x) allows one hardware platform to function as multiple “virtual” platforms. It offers improved manageability by limiting downtime and maintaining productivity by isolating computing activities into separate partitions.
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
Intel® Virtualization Technology for Directed I/O (VT-d) continues from the existing support for IA-32 (VT-x) and Itanium® processor (VT-i) virtualization adding new support for I/O-device virtualization. Intel VT-d can help end users improve security and reliability of the systems and also improve performance of I/O devices in virtualized environments.
Tray Processor
Intel ships these processors to Original Equipment Manufacturers (OEMs), and the OEMs typically pre-install the processor. Intel refers to these processors as tray or OEM processors. Intel doesn't provide direct warranty support. Contact your OEM or reseller for warranty support.
All information provided is subject to change at any time, without notice. Intel may make changes to manufacturing life cycle, specifications, and product descriptions at any time, without notice. The information herein is provided "as-is" and Intel does not make any representations or warranties whatsoever regarding accuracy of the information, nor on the product features, availability, functionality, or compatibility of the products listed. Please contact system vendor for more information on specific products or systems.
Intel classifications are for general, educational and planning 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.
‡ This feature may not be available on all computing systems. Please check with the system vendor to determine if your system delivers this feature, or reference the system specifications (motherboard, processor, chipset, power supply, HDD, graphics controller, memory, BIOS, drivers, virtual machine monitor-VMM, platform software, and/or operating system) for feature compatibility. Functionality, performance, and other benefits of this feature may vary depending on system configuration.
Some products can support AES New Instructions with a Processor Configuration update, in particular, i7-2630QM/i7-2635QM, i7-2670QM/i7-2675QM, i5-2430M/i5-2435M, i5-2410M/i5-2415M. Please contact OEM for the BIOS that includes the latest Processor configuration update.
“Announced” SKUs are not yet available. Please refer to the Launch Date for market availability.
Intel processor numbers are not a measure of performance. Processor numbers differentiate features within each processor family, not across different processor families. See http://www.intel.com/content/www/us/en/processors/processor-numbers.html for details.
Processors that support 64-bit computing on Intel® architecture require an Intel 64 architecture-enabled BIOS.
System and Maximum TDP is based on worst case scenarios. Actual TDP may be lower if not all I/Os for chipsets are used.