1. X89 motherboard, for AMD Opteron 6100/6200/6300 series processors, using AMD G34 package, support for both Registered ECC & non-ECC DDR3 memory up to 32GB2. Perfect match: According to the original model design, perfect replacement installation, high-quality components.3. Durable material: This product is made of high-quality material, durable, long service time, firm and stable in use.4. Compact and portable: being so mini and light-weight, this product does not take much space and can be easily taken .5. Meticulous workmanship: The meticulous design, perfect in workmanship, durable and long service time.Product name: X89 motherboardPlate type: M-ATXCPU: for AMD Opteron 6100/6200/6300 series processorsMemory: 2x240 pin DDR3 DIMM, support ECC/REG server RAMThe maximum support is up to 32GB.Expansion Slots: 1xPCI Express 1x; 1xPCI Express 16xStorage: 4xSATA2 Connector (3Gb/s); 1xmSATA InterfaceLAN: Realtek 8111E 10/100/1000 LAN ControllerUSB Ports:10xUSB 2.0 (6 at Back, 4 at mid-board USB Header)4xUSB 3.0 (2 at Back, 2 at mid-board USB Header)Rear I/O Ports:2xPS2 Keyboard/Mouse6xUSB 2.01xRJ452xUSB 3.01x5.1 channelsAudio JacksInternal I/O Ports:2xUSB 2.0 Header (each header support 2 USB Ports)1xUSB 3.0 Header1xFront Audio Header1xFront Panel Header1xCPU Fan Header1xRECY Header1xSystem Fan Header4xSATA2 3Gb/s Connectors1xCOM Header1x24-Pin ATX Main Power Supply Header1x8-Pin 12V Power Supply HeaderAccessories: 1xI/O Shield; 1xSATA cableOperating System: Supports Windows 7/10size: 255x195mm Material:PCB+metalcolour:BlackPackage Contents:1 x X89 motherboardOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.