E3-1281v3 E3 1281v3 1281 V3 3.7 GHz Quad-Core Eight-Thread CPU Processor L2=1M L3=8M 82W LGA 1150

E3-1281 v3 specificationsGeneral informationTypeCPU / MicroprocessorMarket segmentServerFamilyModel number ? E3-1281 v3CPU part numbersCM8064601575329 is an OEM/tray microprocessorCM8064601575381 is an OEM/tray microprocessorFrequency ? 3700 MHzMaximum turbo frequency4100 MHz (1 c)3900 MHz (all cores)Bus speed ? 5 GT/sDMIClock multiplier ? 37Package1150-land Flip-Chip Land Grid ArraySocketSocket 1150 / H3 / LGA1150Introduction dateMay 11, 2014Part numberES/QS processorsArchitecture / MicroarchitectureMicroarchitectureHaswellPlatformDenlowProcessor c ? Haswell LGA1150c stepping ? C0 (QFFJ, SR1R2, SR21F)Manufacturing process0.022 micronData width64 bitThe number of CPU cores4 The number of threads8 Floating Point UnitIntegratedLevel 1 cache size ? 4 x 32 KB 8-way set associative instruction caches4 x 32 KB 8-way set associative data cachesLevel 2 cache size ? 4 x 256 KB 8-way set associative cachesLevel 3 cache size8 MB 16-way set associative shared cachePhysical memory32 GBMultiprocessingUniprocessorExtensions and TechnologiesMMX instructionsSSE / Streaming SIMD ExtensionsSSE2 / Streaming SIMD Extensions 2SSE3 / Streaming SIMD Extensions 3SSSE3 / Supplemental Streaming SIMD Extensions 3SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4 ? AES / Advanced Encryption Standard instructionsAVX / Advanced Vector ExtensionsAVX2 / Advanced Vector Extensions 2.0BMI / BMI1 + BMI2 / Bit Manipulation instructionsF16C / 16-bit Floating-Point conversion instructionsFMA3 / 3-operand Fused Multiply-Add instructionsTSX / Transactional Synchronization ExtensionsEM64T / Extended Memory 64 technology / I 64 ? HT / Hyper-Threading technology ? TBT 2.0 / Turbo Boost technology 2.0 ? VT-x / Virtualization technology ? VT-d / Virtualization for directed I/OSecurity FeaturesNX / XD / Execute disable bit ? TXT / Trusted Execution technologySMEP / Secure Mode Execution ProtectionLow power featuresc C1/C1E, C3 and C6 statesPackage C1/C1E, C3 and C6 statesEnhanced / technology ? Integrated peripherals / componentsIntegrated graphicsNoneMemory controllerThe number of controllers: 1Memory channels: 2Supported memory: DDR3-1333, DDR3-1600DIMMs per channel: up to 2Maximum memory bandwidth (GB/s): 25.6ECC supported: YesOther peripheralsDirect Media Interface 2.0PCI Express 3.0 interfaceElectrical / Thermal parametersThermal Design Power ? 82 Watt

• 1. Crystal-clear picture quality
• 2. Fast processing speed
• 3. Service guarantee for peace of mind
• 4. Enjoy videos with your family in greater harmony
• 5. Two-year warranty
• Model: E3-1281 v3
• PCIe VERSION: PCIe 3.0
• Size: 1.48" x 1.48" / 3.75cm x 3.75cm