CPU part numbers CM8063401286702 is an OEM/tray microprocessor Frequency 1800 MHz Bus speed 6.4 GT/s QPI (3200 MHz) 5 GT/s DMI Clock multiplier 18 Package 1356-land Flip-Chip Land Grid Array Socket Socket 1356 / LGA1356

	Architecture / Microarchitecture Microarchitecture:Ivy Bridge Platform:Romley-EN Processor core :Ivy Bridge-EN Core stepping:S1 (SR1AL) Manufacturing process:0.022 micron Data width:64 bit The number of 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 Level 3 cache size:10 MB Physical memory:384 GB Multiprocessing:Up to 2 processors

	Features 1.MMX instructions 2.SSE / Streaming SIMD Extensions 3.SSE2 / Streaming SIMD Extensions 2 4.SSE3 / Streaming SIMD Extensions 3 5.SSSE3 / Supplemental Streaming SIMD Extensions 3 6.SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4 7.AES / Advanced Encryption Standard instructions

	8.AVX / Advanced Vector Extensions 9.F16C / 16-bit Floating-Point conversion instructions 10.EM64T / Extended Memory 64 technology / Intel 64 11.NX / XD / Execute disable bit 12.VT-x / Virtualization technology 13.VT-d / Virtualization for directed I/O 14.TXT / Trusted Execution technology

	Low power features Enhanced SpeedStep technology Integrated peripherals / components Memory controller: The number of controllers: 1 Memory channels: 3 Supported memory: DDR3-800, DDR3-1066, DDR3-1333 ECC supported: Yes Other peripherals: Direct Media Interface 2.0 Quick Path Interconnect (1 link) PCI Express 3.0 interface

	Electrical / Thermal parameters V core:0.65V - 1.3V Thermal Design Power 80 Watt

	Item Dimension (L"xW"xH"): 13.80 x6.00 x 7.10 Weight: 0.16 lb Warranty Information: Intel 1 Year Limited