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Essentials
Product Collection
Vertical Segment
Processor Number
Lithography
Product Collection
 Intel® Xeon® W Processor Intel® Xeon® W Processor Intel® Xeon® W Processor
Vertical Segment
 Server Server Server
Processor Number
 W-2155 W-2135 W-2175
Lithography
 14 nm 14 nm 14 nm
Product Collection
 Intel® Xeon® W Processor Intel® Xeon® W Processor Intel® Xeon® W Processor
Vertical Segment
 Server Server Server
Processor Number
 W-2155 W-2135 W-2175
Lithography
 14 nm 14 nm 14 nm
CPU Specifications
Total Cores
Total Threads
Max Turbo Frequency
Processor Base Frequency
Cache
Max # of UPI Links
Bus Speed
# of QPI Links
TDP
Total Cores
 10 6 14
Total Threads
 20 12 28
Max Turbo Frequency
 4.50 GHz 4.50 GHz 4.30 GHz
Processor Base Frequency
 3.30 GHz 3.70 GHz 2.50 GHz
Cache
 13.75 MB 8.25 MB 19 MB
Max # of UPI Links
 0 0 0
Bus Speed
 8 GT/s 8 GT/s 8 GT/s
# of QPI Links
 0 0 0
TDP
 140 W 140 W 140 W
Total Cores
 10 6 14
Total Threads
 20 12 28
Max Turbo Frequency
 4.50 GHz 4.50 GHz 4.30 GHz
Processor Base Frequency
 3.30 GHz 3.70 GHz 2.50 GHz
Cache
 13.75 MB 8.25 MB 19 MB
Max # of UPI Links
 0 0 0
Bus Speed
 8 GT/s 8 GT/s 8 GT/s
# of QPI Links
 0 0 0
TDP
 140 W 140 W 140 W
Supplemental Information
Marketing Status
Launch Date
Servicing Status
End of Servicing Updates Date
Embedded Options Available
Marketing Status
 Discontinued Discontinued Discontinued
Launch Date
 Q3'17 Q3'17 Q3'17
Servicing Status
 End of Servicing Updates End of Servicing Updates End of Servicing Updates
End of Servicing Updates Date
 Sunday, December 31, 2023 Sunday, December 31, 2023 Sunday, December 31, 2023
Embedded Options Available
 No No No
Marketing Status
 Discontinued Discontinued Discontinued
Launch Date
 Q3'17 Q3'17 Q3'17
Servicing Status
 End of Servicing Updates End of Servicing Updates End of Servicing Updates
End of Servicing Updates Date
 Sunday, December 31, 2023 Sunday, December 31, 2023 Sunday, December 31, 2023
Embedded Options Available
 No No No
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)
 512 GB 512 GB 512 GB
Memory Types
 DDR4 1600/1866/2133/2400/2666 DDR4 1600/1866/2133/2400/2666 DDR4 1600/1866/2133/2400/2666
Max # of Memory Channels
 4 4 4
Max Memory Bandwidth
 85.3 GB/s 85.3 GB/s 85.3 GB/s
Physical Address Extensions
 46-bit 46-bit 46-bit
ECC Memory Supported ‡
 Yes Yes Yes
Max Memory Size (dependent on memory type)
 512 GB 512 GB 512 GB
Memory Types
 DDR4 1600/1866/2133/2400/2666 DDR4 1600/1866/2133/2400/2666 DDR4 1600/1866/2133/2400/2666
Max # of Memory Channels
 4 4 4
Max Memory Bandwidth
 85.3 GB/s 85.3 GB/s 85.3 GB/s
Physical Address Extensions
 46-bit 46-bit 46-bit
ECC Memory Supported ‡
 Yes Yes Yes
Expansion Options
Scalability
PCI Express Revision
PCI Express Configurations ‡
Max # of PCI Express Lanes
Scalability
 1S Only 1S Only 1S Only
PCI Express Revision
 3.0 3.0 3.0
PCI Express Configurations ‡
 x4, x8, x16 x4, x8, x16 x4, x8, x16
Max # of PCI Express Lanes
 48 48 48
Scalability
 1S Only 1S Only 1S Only
PCI Express Revision
 3.0 3.0 3.0
PCI Express Configurations ‡
 x4, x8, x16 x4, x8, x16 x4, x8, x16
Max # of PCI Express Lanes
 48 48 48
Package Specifications
Sockets Supported
Max CPU Configuration
TCASE
Package Size
Sockets Supported
 FCLGA2066 FCLGA2066 FCLGA2066
Max CPU Configuration
 1 1 1
TCASE
 68 64
Package Size
 45mm x 52.5mm 45mm x 52.5mm 45mm x 52.5mm
Sockets Supported
 FCLGA2066 FCLGA2066 FCLGA2066
Max CPU Configuration
 1 1 1
TCASE
 68 64
Package Size
 45mm x 52.5mm 45mm x 52.5mm 45mm x 52.5mm
Advanced Technologies
Intel® Optane™ Memory Supported ‡
Intel® Speed Shift Technology
Intel® Turbo Boost Max Technology 3.0 ‡
Intel® Turbo Boost Technology ‡
Intel® Hyper-Threading Technology ‡
Intel® Transactional Synchronization Extensions
Intel® 64 ‡
Instruction Set
Instruction Set Extensions
# of AVX-512 FMA Units
Idle States
Enhanced Intel SpeedStep® Technology
Intel® Demand Based Switching
Thermal Monitoring Technologies
Intel® Flex Memory Access
Intel® Identity Protection Technology ‡
Intel® Volume Management Device (VMD)
Intel® Optane™ Memory Supported ‡
 No No No
Intel® Speed Shift Technology
 Yes Yes Yes
Intel® Turbo Boost Max Technology 3.0 ‡
 No No No
Intel® Turbo Boost Technology ‡
 2.0 2.0 2.0
Intel® Hyper-Threading Technology ‡
 Yes Yes Yes
Intel® Transactional Synchronization Extensions
 Yes Yes Yes
Intel® 64 ‡
 Yes Yes Yes
Instruction Set
 64-bit 64-bit 64-bit
Instruction Set Extensions
 Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
# of AVX-512 FMA Units
 2 2 2
Idle States
 Yes Yes Yes
Enhanced Intel SpeedStep® Technology
 Yes Yes Yes
Intel® Demand Based Switching
 Yes Yes Yes
Thermal Monitoring Technologies
 Yes Yes Yes
Intel® Flex Memory Access
 No No No
Intel® Identity Protection Technology ‡
 Yes Yes Yes
Intel® Volume Management Device (VMD)
 Yes Yes Yes
Intel® Optane™ Memory Supported ‡
 No No No
Intel® Speed Shift Technology
 Yes Yes Yes
Intel® Turbo Boost Max Technology 3.0 ‡
 No No No
Intel® Turbo Boost Technology ‡
 2.0 2.0 2.0
Intel® Hyper-Threading Technology ‡
 Yes Yes Yes
Intel® Transactional Synchronization Extensions
 Yes Yes Yes
Intel® 64 ‡
 Yes Yes Yes
Instruction Set
 64-bit 64-bit 64-bit
Instruction Set Extensions
 Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
# of AVX-512 FMA Units
 2 2 2
Idle States
 Yes Yes Yes
Enhanced Intel SpeedStep® Technology
 Yes Yes Yes
Intel® Demand Based Switching
 Yes Yes Yes
Thermal Monitoring Technologies
 Yes Yes Yes
Intel® Flex Memory Access
 No No No
Intel® Identity Protection Technology ‡
 Yes Yes Yes
Intel® Volume Management Device (VMD)
 Yes Yes Yes
Security & Reliability
Intel vPro® Eligibility ‡
Intel® Secure Key
Intel® AES New Instructions
Intel® Software Guard Extensions (Intel® SGX)
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Trusted Execution Technology ‡
Execute Disable Bit ‡
Intel® Boot Guard
Intel® Virtualization Technology (VT-x) ‡
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
Intel® VT-x with Extended Page Tables (EPT) ‡
Intel vPro® Eligibility ‡
 Intel vPro® Platform Intel vPro® Platform Intel vPro® Platform
Intel® Secure Key
 Yes Yes Yes
Intel® AES New Instructions
 Yes Yes Yes
Intel® Software Guard Extensions (Intel® SGX)
 No No No
Intel® Memory Protection Extensions (Intel® MPX)
 Yes Yes Yes
Intel® OS Guard
 Yes Yes Yes
Intel® Trusted Execution Technology ‡
 Yes Yes Yes
Execute Disable Bit ‡
 Yes Yes Yes
Intel® Boot Guard
 Yes Yes Yes
Intel® Virtualization Technology (VT-x) ‡
 Yes Yes Yes
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
 Yes Yes Yes
Intel® VT-x with Extended Page Tables (EPT) ‡
 Yes Yes Yes
Intel vPro® Eligibility ‡
 Intel vPro® Platform Intel vPro® Platform Intel vPro® Platform
Intel® Secure Key
 Yes Yes Yes
Intel® AES New Instructions
 Yes Yes Yes
Intel® Software Guard Extensions (Intel® SGX)
 No No No
Intel® Memory Protection Extensions (Intel® MPX)
 Yes Yes Yes
Intel® OS Guard
 Yes Yes Yes
Intel® Trusted Execution Technology ‡
 Yes Yes Yes
Execute Disable Bit ‡
 Yes Yes Yes
Intel® Boot Guard
 Yes Yes Yes
Intel® Virtualization Technology (VT-x) ‡
 Yes Yes Yes
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
 Yes Yes Yes
Intel® VT-x with Extended Page Tables (EPT) ‡
 Yes Yes Yes
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