Check the listing for details. Intel Xeon E5-2680 SR0KH 2.70 GHz 8 Core 20M 130W Server CPU Processor LGA-2011. Condition: Used. Listed at 6.99 USD. See our other items General information Type CPU / Microprocessor Market segment Server Family Intel Xeon E5-2600 Model number E5-2680 CPU part numbers · CM8062107184424 is an OEM/tray microprocessor · BX80621E52680 is a boxed microprocessor Frequency 2700 MHz Maximum turbo frequency 3500 MHz (1 or 2 cores)3400 MHz (3 cores)3200 MHz (4, 5 or 6 cores)3100 MHz (7 or 8 cores) Bus speed 8 GT/s QPI (4000 MHz)5 GT/s DMI Clock multiplier 27 Package 2011-land Flip-Chip Land Grid Array Socket Socket 2011 / LGA2011 Size 2.07" x 1.77" / 5.25cm x 4.5cm Introduction date March 6, 2012 Price at introduction $1723 (OEM)$1727 (box) S-spec numbers Part number ES/QS processors Production processors QAR7 QB79 QBEB QBUD SR0GY SR0KH BX80621E52680 + CM8062107184424 + + + + + + Architecture / Microarchitecture Microarchitecture Sandy Bridge Platform Romley-EPRomley-WS Processor core Sandy Bridge-EP Core steppings C0 (QB79)C1 (QBEB, SR0GY)C2 (QBUD, SR0KH) CPUIDs 206D5 (QB79)206D6 (QBEB, SR0GY)206D7 (QBUD, SR0KH) Manufacturing process 0.032 micron Hi-K metal gate process Data width 64 bit The number of CPU cores 8 The number of threads 16 Floating Point Unit Integrated Level 1 cache size 8 x 32 KB 8-way set associative instruction caches8 x 32 KB 8-way set associative data caches Level 2 cache size 8 x 256 KB 8-way set associative caches Level 3 cache size 20 MB 20-way set associative shared cache Physical memory 384 GB (per socket) Multiprocessing Up to 2 processors Extensions and 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 · 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 Security Features · NX / XD / Execute disable bit · TXT / Trusted Execution technology Low power features · Enhanced SpeedStep technology Integrated peripherals / components Integrated graphics None Memory controller The number of controllers: 1Memory channels: 4Supported memory: DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600DIMMs per channel: 3Maximum memory bandwidth (GB/s): 51.2ECC supported: Yes Other peripherals · Direct Media Interface 2.0 · Quick Path Interconnect (2 links) · PCI Express 3.0 interface Electrical / Thermal parameters V core 0.6V - 1.35V Maximum operating temperature 85°C Thermal Design Power 130 Watt