1、M ATX MOTHERBOARD FRAME: A55 desktop computer motherboard, M ATX type motherboard frame, support FM1 interface full range of processors. 2、DDR3 MEMORY: Dual channel DDR3 memory, motherboard performance is further enhanced to support up to 8G memory (4Gx2). 3、3 PHASE POWER SUPPLY: PC motherboard adopts 4 layer PCB, 3 phase power supply, all solidly state capacitors, special high temperature resistant inductors, to ensure the stability of long time operation under high temperature. 4、WITH SATA INTERFACE: PC motherboard with high speed SATA interface, faster transmission speed. Reasonable layout, rich interface, strong expandability. 5、100M NETWORK CARD: The gaming PC motherboard with 100 megabit network card, let you use more smoothly, suitable for office and game use. Item Type: A55 Motherboard Material: PCB Model: A55 Motherboard Architecture: M ATX Motherboard Size: Approx. 210 x 167mm / 8.3 x 6.6in CPU Socket Type: Socket FM1 NIC: 100Gb/s NIC Graphics Card Slot: PCIE X16x1 Memory Type: DDR3x2 Maximum Memory Capacity: 8GB SATA Interface: SATAx4 USB Interface: USB2.0x4, Front USB2.0 Pin x2 Power Connector: 24pin x1, 4pin x1 Expansion Interface: VGAx1, DVIx1, PCIE X1x1 Battery Type: CR2032 Button Battery (Built In) Battery Capacity: 240mAh 1 x A55 Motherboard (Ship with Inbuilt Battery) 1 x Baffle 1 x SATA Cable 1 x User Manual