当店はPCパーツを販売する専門ショップです。商品到着後 1週間以内に限り、初期不良による返品を受け付けます。■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。Main Memory Supports four unbuffered DIMM of 1.5 Volt DDR3 1066/1333/1600*/2133*(OC) DRAM 32GB Max - Supports 1GB/ 2GB/ 4GB/ 8GB DRAM size - Supports Dual channel mode Slots 3 PCI Express gen2 x16 slots - PCI_E2 supports up to PCIE x16 speed when PCI_E4 is empty or PCI_E2 will support up to PCIE x8 speed when PCI_E4 is installed - PCI_E4 supports up to PCIE x8 speed - PCI_E5 supports up to PCIE x4 speed (due to the limitation of the chipset when the PCI_E5 has been installed with a PCIE x4 device 1 eSATA ports SATA7 port 1 onboard front USB 3.0 connectors 2 PCI slots and 1394 rear IO port will become unavailable.)2 PCIE x1 slots - When both of the PCIE x1 (PCI_E1 PCI_E3) slots have been installed only the PCI_E1 slot is available using one PCIE x1 slot is recommended.3 PCI Express gen2 x1 slots 2 32-bit v2.3 master PCI bus slots.- Support 3.3v/5v PCI bus interface.On-Board SATA SATAII controller integrated in Intel Z68 (B3) chipset - Up to 3Gb/s transfer speed.- Supports four SATAII ports (SATA3~6) by Z68 (B3) PCH SATAIII controller integrated in Intel Z68 (B3) chipset - Up to 6Gb/s transfer speed.- Supports two SATAIII ports (SATA1~2) by Z68 (B3) PCH - SATA1~6 ports support RAID 0/1/5/10 mode by Intel Z68 (B3) PCH SATAIII / eSATAIII controller integrated in Marvell 88SE9128 chipset - Supports one SATA 6Gb/s port & one eSATA 6Gb/s port (back panel) USB 3.0 1 USB 3.0 internal connector by NEC D720200 2 USB 3.0 rear I/O ports by NEC D720200