Motherboard information:Motherboard model: H81M PRO S1.Processor: Supports LGA 1150 pin series processors.Chipset: H81 chipset.Structure: M-ATX.Memory:Technology: Dual channel DDR3. Supports 1066/1333/1600/1866 MHZ.Maximum capacity 16GB (8G x 2).Memory slot: 2 x 240 PIN DDR3.Supported memory type: Only DDR3 desktop memory is supported.(Note: Please use such as , , , , , etc. Other may not be compatible.)Post I/O:PS/ 2:1 KB interface and 1 MS interface;USB interface: 2 USB2.0; 3 USB2.0;Display interface: 1 ; 1 VGA;Ethernet: 1 gigabit network card;Audio: 3.Internal connector:PCIe: 2 (1 PCIe x16, 1 PCIe X1);M. 2:1 NVME M.2;WIFI: 1 WLAN-1 interface;ATXPWR interface: Standard lx8PIN power socket; 1 standard 1x24PIN power outlet;SATA interface: Two SATA interfaces (SATA3.0); 2 SATA interfaces (SATA2.0);Overall dimensions:Motherboard size: 244MM x 303MMMotherboard weight (including packaging): about 0.7kg.Color: blackMaterial: PCBPackage Contents:1 x H81M-PRO S1 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.