Product IdentifiersBrand AMDProcessor Model Athlon 64 X2 4400+MPN ADO4400IAA5DOUPC 0683728160081, 0890552637386, 2791365465518Key FeaturesClock Speed 2.3 GHzCPU Socket Type Socket AM2Multi-Core Technology Dual-CoreTDP 65 WProcessor Quantity 1Product Type ProcessorCache MemoryLevel 1 Size 128 KBInstalled Size L2 1 MB ( 2 x 512 KB )Expansion / ConnectivityCompatible Slots 1 x processor - Socket AM2+Other FeaturesBus Speed FSB Speed - 1000 MHzManufacturing Process 65 nm64-bit Computing YesArchitecture Features 3DNow! Professional technology, streaming SIMD extensions, streaming SIMD extensions 2, HyperTransport technology, AMD64 technology, integrated memory controller, streaming SIMD extensions 3, Enhanced Virus Protection, AMD Cool'n'Quiet Technology, 64-bit Instruction Set SupportPlatform Compatibility PCMiscellaneousMax. Operating Temperature 68 °CPackage Type OEM/tray