Intel Xeon E3-1220 v 5 3.5 G Hz Socket 1151 8MB Cache Retail Boxed Processor Specifications: Intel Xeon E3-1220 v 5 specifications General information Type CPU / Microprocessor Market segment Server Family Intel Xeon E3-1200 v 5 Model number E3-1220 v 5 Frequency 3000 MHz Turbo frequency 3500 MHz Bus speed 8 GT/s DMI Clock multiplier 30 Package 1151-land Flip-Chip Land Grid Array Socket Socket 1151 / H4 / LGA1151 Size 1.48" x 1.48" / 3.75cm x 3.75cm Architecture / Microarchitecture Microarchitecture Skylake Platform Greenlow Processor core Skylake-S Core stepping R0 (SR2CQ, SR2LG) CPUID 506E3 (SR2CQ, SR2LG) Manufacturing process 0.014 micron Data width 64 bit The number of CPU cores 4 The number of threads 4 Floating Point Unit Integrated Level 1 cache size 4 x 32 KB instruction caches 4 x 32 KB data caches Level 2 cache size 4 x 256 KB caches Level 3 cache size 8 MB shared cache Physical memory 64 GB Multiprocessing Uniprocessor Features 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 NX / XD / Execute disable bit VT-x / Virtualization technology VT-d / Virtualization for directed I/O TBT 2.0 / Turbo Boost technology 2.0 SGX / Software Guard Extensions TXT / Trusted Execution technology TSX / Transactional Synchronization Extensions Low power features Enhanced Speed Step technology Integrated peripherals / components Integrated graphics None Memory controller The number of controllers: 1 Memory channels: 2 Supported memory: DDR3L-1333, DDR3L-1600, DDR4-1866, DDR4-2133 Maximum memory bandwidth (GB/s): 34.1 ECC supported: Yes Other peripherals Direct Media Interface 3.0 PCI Express 3.0 interface (16 lanes)