Asus Micro ATX DDR3 1066 AMD - AM3+ Motherboards M5A78L-M LE/USB3 Socket AM3+ Chipset: North Bridge AMD 760G (780L) & South Bridge AMD SB710 Memory: 2x DDR3-1866/ 1600/ 1333/ 1066 DIMM Slots, Dual Channel, ECC/Non-ECC, Unbuffered, Max Capacityof 16GB Slots: 1x PCI-Express 2.0 x16 Slot, 1x PCI-Express 2.0 x1 Slot, 1x PCI Slot Multi-Graphics: Supports Hybrid CrossFireX Technology, Supports DirectX 10 SATA: 4x SATA2 Ports, Support RAID 0, 1, 10, JBOD Audio: Realtek ALC887 8-Channel High Definition Audio CODEC Form Factor: MicroATX, 9.6 x 7.8 inch /24.4 x 19.8 cm