If you don't understand what this chip is. Please do not bid on it. This is an enterprise class datacenter chip. 
If you purchase this, don't complain to me when it doesn't work in your desktop. 


General information
TypeCPU / Microprocessor
Market segmentServer
FamilyIntel Xeon Platinum
Model number  ? 
8171M
Part number
 
Frequency  ? 
2.6 GHz / 2600 MHz
Clock multiplier  ? 26
Package3647-land Flip-Chip Land Grid Array (FC-LGA)
SocketSocket 3647 / P0 / LGA3647-0
Size2.99" x 2.22" / 7.6cm x 5.65cm
S-spec numbers
Part numberProduction processors
 SR3LZ
Unknown+
Architecture / Microarchitecture
Instruction setx86
MicroarchitectureSkylake
PlatformPurley
Processor core  ? Skylake-SP
Manufacturing process0.014 micron
Data width
64 bit
The number of CPU cores26
The number of threads
52
Floating Point UnitIntegrated
Level 1 cache size  ? 
26 x 32 KB instruction caches
26 x 32 KB data caches
Level 2 cache size  ? 
26 x 1 MB
Level 3 cache size
35.75 MB [1]
Physical memory1.5 TB
MultiprocessingUp to 8 processors [1]
Extensions & Technologies
  • MMX instructions
  • SSE / Streaming SIMD Extensions
  • SSE2 / Streaming SIMD Extensions 2
  • SSE3 / Streaming SIMD Extensions 3
  • SSSE3 / Supplemental Streaming SIMD Extensions 3
  • SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4  ? 
  • AES / Advanced Encryption Standard instructions
  • AVX / Advanced Vector Extensions
  • AVX2 / Advanced Vector Extensions 2.0
  • AVX-512 / Advanced Vector Extensions 512
  • BMI / BMI1 + BMI2 / Bit Manipulation instructions
  • F16C / 16-bit Floating-Point conversion instructions
  • FMA3 / 3-operand Fused Multiply-Add instructions
  • EM64T / Extended Memory 64 technology / Intel 64  ? 
  • HT / Hyper-Threading technology  ? 
  • VT-x / Virtualization technology  ? 
  • VT-d / Virtualization for directed I/O
  • TBT 2.0 / Turbo Boost technology 2.0  ? 
  • TSX / Transactional Synchronization Extensions
Security Features
  • NX / XD / Execute disable bit  ? 
  • MPX / Memory Protection Extensions
Low power featuresEnhanced SpeedStep technology  ? 
Integrated Graphics Processing Unit
None 
Integrated peripherals / components
Memory controller
The number of controllers: 2
Memory channels (per controller): 3
Memory channels (total): 6
Supported memory: DDR4
Other peripherals
  • Ultra Path Interconnect
  • PCI Express 3.0 interface
  • Direct Media Interface 3.0 (4 lanes)