Gigabyte GA-A55M-S2V AMD FM1 A55 DDR3 2400 Micro ATX Motherboard APU: AMD A series & E2 series processors. Chipset: AMD A55 chipset. Memory: 2 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory. Dual channel memory architecture. Support for DDR3 2400(OC)/1866/1600/1333/1066 MHz memory modules. Audio: Realtek ALC887 codec. High Definition Audio. 2/4/5.1/7.1-channel. Support for S/PDIF Out. LAN: 1 x Realtek RTL8111E chip (10/100/1000 Mbit) Expansion Slots: 1 x PCI Express x16 slot, running at x16. 2 x PCI Express x1 slots. 1 x PCI slot. Support for AMD Dual Graphics technology. Storage Interface: 6 x SATA 3Gb/s connectors. Support for RAID 0, RAID 1, RAID 10, and JBOD. USB: Up to 8 USB 2.0/1.1 ports. Internal I/O Connectors: 1 x 24-pin ATX main power connector/1 x 4-pin ATX 12V power connector/6 x SATA 3Gb/s connectors/1 x APU fan header/1 x system fan header/1 x front panel header/1 x front panel audio header/1 x S/PDIF Out header/2 x USB 2.0/1.1 headers/1 x serial port header/1 x Trusted Platform Module (TPM) header/1 x clearing CMOS jumper Back Panel Connectors: 1 x PS/2 keyboard/mouse port/1 x D-Sub port/1 x DVI-D port/4 x USB 2.0/1.1 ports/1 x RJ-45 port/3 x audio jacks (Line In/Line Out/Microphone)