Intel Xeon X5680 3333 MHz (6-core / 12-thread) LGA1366 Server CPU — 12 MB L3 — 130W

Overview: High-performance server microprocessor from the Xeon 5600 family designed for LGA1366 systems. Model X5680 delivers six physical cores with Hyper-Threading for 12 threads and a large shared L3 cache for demanding multi-threaded workloads. Available as OEM/tray (CPU part number AT80614005124AA) and boxed retail (BX80614X5680). Clock and bus: Base frequency 3333 MHz with Turbo Boost up to 3600 MHz on 1–2 cores and up to 3467 MHz when 3 or more cores are active. QPI link runs at 6.4 GT/s (3200 MHz). Clock multiplier: 25. Package and dimensions: Wrapped 1366 Pad Flip Chip Land Grid Array (FC-LGA10) package for Socket 1366 / B / LGA1366. Physical dimensions: 1.77" x 1.67" (4.5 cm x 4.25 cm). Processor IDs and stepping: Specification/part numbers include ES/QS variants. Processor manufacturer markings include Q3UV, SLBV5, AT80614005124AA++, and BX80614X5680+. Microarchitecture: Westmere (Westmere-EP). Platforms: Taylorsburg-EP, Taylorsburg-EN, Taylorsburg-WS. Stepping: B1 (SLBV5). CPUID values: 206C1 (Q3UV) and 206C2 (SLBV5). Silicon and caches: Fabricated on a 0.032 micron high-K metal gate process with approximately 1.17 billion transistors and a die area of 240mm2. Data width: 64 bits. L1 cache: 6 x 32 KB instruction (4-way) and 6 x 32 KB data (8-way). L2 cache: 6 x 256 KB (8-way). Shared L3 cache: 12 MB (16-way). Core and threading: 6 CPU cores, 12 threads. Floating point unit: fused. Supports EM64T (64-bit extension). Memory and I/O: Integrated memory controller with 1 controller and 3 memory channels. Supported memory types: DDR3-800, DDR3-1066, DDR3-1333. Maximum supported system memory: 288 GB. Maximum memory bandwidth: 32 GB/s. ECC: Yes. Other interconnects: Fast Path Interconnect (2 Links). Multiprocessing and virtualization: Supports up to 2 processors in multi-socket configurations. Virtualization features include VT-x and VT-d. Additional technologies: Hyper-Threading (HT), Turbo Boost (TBT), AES instruction support, and Intel TXT (Trusted Execution Technology). Instruction set and security: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2. Security features include NX/XD (Execute Disable Bit) and TXT. Power and thermal: Operating voltage range ~0.8V–1.3V. Maximum operating temperature: 78.5°C. Thermal Design Power (TDP): 130 watts. Low-power features include Enhanced Intel SpeedStep Technology. Notes: This listing includes both OEM/tray part AT80614005124AA and boxed BX80614X5680 identifiers. Intended for server/workstation systems using Socket 1366 motherboards compatible with the Xeon 5600 series.