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 303MM Motherboard weight (including packaging): about 0.7kg. Color: black Material: PCB Package Contents: 1 x H81M-PRO S1 motherboard Only 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.