1、A55 motherboard adopts for AMD A55 chipset, supporting for AMD full range of processors with FM1 interface 2、Adopts Micro‑ATX small board design, adopts 4‑phase solid‑state power supply design and is equipped with R56 ferrite inductor + ultra‑low MOS, and each phase power supply is equipped with 2MOS to provide more pure current. 3、The motherboard provides 2 dual-channel memory slots that support DDR3 and a set of independent solid-state power supply modules. In terms of expansion, the motherboard provides a PCI-E X16 graphics card slot and a PCI-E X1 slot. 4、The hard disk provides 4 SATA2 interfaces, and the interface provides 8 USB2.0 interfaces (4 need to be expanded), PS/2 mouse interface and PS/2 keyboard interface 5、The motherboard provides a VGA+DVI video output interface, in addition to a 100M network interface and a multi-channel audio interface. Item Type: A55 Desktop Computer Motherboard Model: A55FM1 Material: PCB Motherboard chip integrated chip sound card/network card (not integrated graphics card, support CPU core display graphics card) Main Chipset: For AMD A55/A57 Network Card Chip Integration: RTL8105E 100M network card Audio Chip: Integrated 6-channel audio chip Processor Specifications: CPU socket FM1 CPU Type: For AMD Liano A8/A6/A4 Memory Specifications: Memory type DDR3 1066/1333/1600 MHz Memory Slot: 2×DDR3 DIMM Expansion Slot: 1×PCI-E X16 graphics card slot 1 PCI-E 1X 2x USB2.0 pin 4xSATA2.0 interface I/O Interface: PS/2 keyboard and mouse universal interface 1 each 1×RJ45 network interface 1×VGA parallel port 1x DVI 4xUSB 2.0 interface Audio interface Other Parameters: A 4-pin power socket, a 24-pin power connector Power Supply Mode: 4 phases Battery: CR2032L (shipped without battery) 210mAh Product List: 1 x Motherboard 1 x Bezel 1 x SATA Line 1 x Motherboard (without battery) 1 x Bezel 1 x SATA Line