当店はPCパーツを販売する専門ショップです。■CPUとご搭載いただくマザボードの相性についてご不安のある方は、ご落札前に事前に質問にてお問い合わせください。■当商品はES品ではなく正規品です。The AMD Athlon II X4 640 was a desktop processor with 4 cores launched in May 2010.It is part of the Athlon II X4 lineup using the Propus architecture with Socket AM3.Athlon II X4 640 has 512K of L2 cache and operates at 3 GHz.AMD is building the Athlon II X4 640 on a 45 nm production process using 300 million transistors.The multiplier is locked on Athlon II X4 640 which limits its overclocking capabilities.With a TDP of 95 W the Athlon II X4 640 consumes a good deal of power so decent cooling is needed.AMD's processor supports DDR3 memory with adual-channel interface.For communication with other components in the system Athlon II X4 640 uses a PCI-Express Gen 2 connection.This processor does not have integrated graphics you will need a separate graphics card.