Intel | Intel Core 2 Quad Q8400 Used 2.6 GHz Quad-Core Quad-Thread CPU 4M 95W LGA 775

The Intel Core 2 Quad Q8400 is a released Yorkfield architecture quad core desktop CPU with LGA775 interface, 4 cores and 4 threads, 2.66GHz turbo free, 4MB L2 cache, TDP 95W， No core display, 45nm process, suitable for low-cost office/audiovisual on the old LGA775 platform, with performance between Q9300 and Q8300, far inferior to i3-4130.Core specifications (precise overview)Parameter detailsCore/Thread 4 Core 4 Thread (No Hyper Threads)Basic frequency 2.66GHz (no turbo frequency)Cache 4MB L2 cache (2 × 2MB, no L3 cache)Process 45nm (Yorkfield)Interface LGA775TDP 95WNo core display (must be paired with a unique display)Memory supports DDR2 800/1066, DDR3 1066/1333 (depending on the motherboard), up to 16GB (dual channel)Bus FSB 1333MHz Intel Core 2 Quad Q8400 specificationsGeneral informationTypeCPU / MicroprocessorMarket segmentDesktopFamilyIntel Core 2 QuadModel number?Q8400CPU part numbersAT80580PJ0674MLis an OEM/tray microprocessorAT80580PJ067HLis an OEM/tray microprocessorBX80580Q8400is a boxed processor with fan and heatsink (English version)BXC80580Q8400is a boxed processor with fan and heatsink (Chinese version)Frequency?2667 MHzBus speed?1333 MHzClock multiplier?8Package775-land Flip-Chip Land Grid Array (FC-LGA8)1.48" x 1.48" (3.75 cm x 3.75 cm)SocketSocket 775Introduction dateApr 19, 2009End-of-Life dateLast order date is August 26, 2011Last shipment date for tray processors is February 10, 2012Price at introductionS-spec numbersPart numberES/QS processorsProduction processorsQLQNSLGT6AT80580PJ0674ML+AT80580PJ067HL+BX80580Q8400+BXC80580Q8400+Architecture / MicroarchitectureMicroarchitectureCoreProcessor core?YorkfieldCore stepping?R0 (QLQN, SLGT6)CPUID1067A (QLQN, SLGT6)Manufacturing process0.045 micron456 million transistorsDie164mm2Data width64 bitThe number of CPU cores4The number of threads4Floating 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?2 x 2 MB 8-way set associative caches (each L2 cache is shared between 2 cores)MultiprocessingUniprocessorFeaturesMMX instructionsSSE / Streaming SIMD ExtensionsSSE2 / Streaming SIMD Extensions 2SSE3 / Streaming SIMD Extensions 3SSSE3 / Supplemental Streaming SIMD Extensions 3SSE4.1 / Streaming SIMD Extensions 4.1?EM64T / Extended Memory 64 technology / Intel 64?NX / XD / Execute disable bit?VT-x / Virtualization technology?Low power featuresEnhanced SpeedStep technology?Stop Grant state?Halt stateExtended Halt stateExtended Stop Grant StateSleep state?Deep Sleep state?Deeper Sleep state?Integrated peripherals / componentsIntegrated graphicsNoneElectrical / Thermal parametersV core?0.85V - 1.3625VMinimum/Maximum operating temperature?5°C - 71.4°CThermal Design Power?95 Watt