Intel i5 2500K Processor BX80623I52500K Item is used, but in working condition. Excellent and Fast CPU. Never been overclocked or heavily used, but is more than capable. Stock Intel Heatsink and Fan used once, excellent working order but no heatsink compound Never been overclocked or heavily used Original Box Specification Processor Number: i5-2500K Manufacture Part Number: BX80623I52500K Intel Smart Cache: 6 MB DMI: 5 GT/s Instruction Set: 64-bit Instruction Set Extensions: SSE4.1/4.2, AVX Lithography: 32 nm # of Cores: 4 # of Threads: 4 Processor Base Frequency: 3.3 GHz Max Turbo Frequency: 3.7 GHz TDP: 95 W Max Memory Size (dependent on memory type): 32 GB Memory Types: DDR3 1066/1333 Max # of Memory Channels: 2 Max Memory Bandwidth: 21 GB/s ECC Memory Supported: No Processor Graphics: Intel HD Graphics 3000 Graphics Base Frequency: 850 MHz Graphics Max Dynamic Frequency: 1.1