General information
TypeCPU / Microprocessor
Market segmentServer
FamilyIntel Xeon E3-1200 v6
Model number
E3-1240 v6
CPU part numbers
  • CM8067702870649 is an OEM/tray microprocessor
  • BX80677E31240V6 is a boxed microprocessor
Frequency
3.7 GHz / 3700 MHz
Maximum turbo frequency
4.1 GHz / 4100 MHz
Bus speed8 GT/s Direct Media Interface
Clock multiplier37
Package1151-land Flip-Chip Land Grid Array
SocketSocket 1151 / H4 / LGA1151
Size1.48" x 1.48" / 3.75cm x 3.75cm
Introduction dateMarch 28, 2017
Price at introduction$272
S-spec numbers
Part number ES/QS processors Production processors
  QKHU SR327
BX80677E31240V6 +
CM8067702870649 +
Unknown+ 
Architecture / Microarchitecture
Instruction setx86
MicroarchitectureKaby Lake
Processor coreKaby Lake-S
Core stepping
B0
Manufacturing process0.014 micron
Data width
64 bit
The number of CPU cores4
The number of threads
8
Floating Point UnitIntegrated
Level 1 cache size4 x 32 KB 8-way set associative instruction caches
4 x 32 KB 8-way set associative data caches
Level 2 cache size4 x 256 KB 4-way set associative caches
Level 3 cache size8 MB 16-way set associative shared cache
Physical memory64 GB
MultiprocessingUniprocessor
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
  • 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
  • SGX / Software Guard Extensions
  • TXT / Trusted Execution technology
Low power featuresEnhanced SpeedStep technology
Integrated Graphics Processing Unit
None 
Integrated peripherals / components
Memory controller
The number of controllers: 1
Memory channels (per controller): 2
Memory channels (total): 2
Supported memory: DDR3L-1866, DDR4-2400
ECC supported: Yes
Other peripherals
  • Direct Media Interface 3.0 (4 lanes)
  • PCI Express 3.0 interface (16 lanes)
Electrical / Thermal parameters
V core0.55V - 1.52V
Thermal Design Power72 Watt