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 ASRock B75 Pro3-M Motherboard Socket 1155 DDR3 Intel B75 M-ATX HDMI USB3.1 CPU: Supports 3rd and 2nd Generation Intel Core i7 / i5 / i3 / Xeon / Pentium / Celeron in LGA1155 Package - 4 + 2 Power Phase Design - Supports Intel Turbo Boost 2.0 Technology - Supports Intel K-Series CPU - Supports Hyper-Threading Technology Chipset: Intel B75 Chipset Main Memory: Dual Channel DDR3 memory technology - 4 x DDR3 DIMM slots - Supports DDR3 1600/1333/1066 non-ECC, un-buffered memory - Max.capacity of system memory: 32GB* - Supports Intel Extreme Memory Profile (XMP) 1.3 / 1.2 *Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows 32-bit OS.For Windows 64-bit OS with 64-bit CPU, there is no such limitation.