Xeon E5-2666 v3 2.9 GHz 10-Core / 20-Thread CPU — 25MB L3, 135W, LGA2011-3

Overview: Intel Xeon E5-2666 v3 (family Xeon E5-2600 v3) is a server-class Haswell-EP processor introduced January 2015. This OEM/tray part is identified by CPU part number CM8064401675902 and S-spec SR1Y7. Market segment: Server. Model: E5-2666 v3. Processor cores & clocks: 10 cores and 20 threads with a base frequency of 2900 MHz. Maximum Turbo frequency reaches 3500 MHz (1) and 3200 MHz when all cores are active. Bus speed is 5 GT/s and the clock multiplier is 29. Cache and FPU: Integrated floating-point unit. Cache configuration: L1 — 10 x 32 KB instruction (8-way) and 10 x 32 KB data (8-way); L2 — 10 x 256 KB (8-way); L3 — 25 MB shared, 20-way set associative. Platform, package & dimensions: Microarchitecture: Haswell on the Grantley-EP platform. Package: 2011-land Flip-Chip Land Grid Array. Socket: 2011-3 / R3 / LGA2011-3. Die/package size: 2.07" x 1.77" / 5.25 cm x 4.5 cm. Manufacturing process: 0.022 micron. Data width: 64 bit. Memory & I/O: Integrated memory controller with 2 controllers (2 channels per controller) for a total of 4 memory channels. Supported memory: DDR4. ECC supported: Yes. Other I/O: Direct Media Interface 2.0, QuickPath Interconnect v1.1 (2 links), PCI Express 3.0 interface with 40 lanes. Multiprocessing & electrical: Supports up to 2-processor configurations. Thermal Design Power (TDP): 135 Watt. Instruction set extensions & technologies: MMX; SSE, SSE2, SSE3, SSSE3; SSE4.1 + SSE4.2; AES; AVX; AVX2; BMI (BMI1 + BMI2); F16C; FMA3; EM64T. Features include Hyper-Threading (HT), VT-x, VT-d and Turbo Boost Technology 2.0 (TBT 2.0). Security & power management: Security features include NX / XD (Execute Disable Bit), TXT (Trusted Execution Technology) and SMEP (Supervisor Mode Execution Protection). Low-power features include Enhanced SpeedStep technology. Integrated graphics: None. Notes: The processor listing also cites Secure Key and vPro technology. [1] - Information is not confirmed.