Gigabyte Core 2 Quad/P45/DDR2-1366+/A&GbE/ATX/DES Motherboard GA-EP45-UD3L GIGABYTE GA-EP45-UD3L Intel P45 Express Socket 775 ATX Motherboard General Features: Socket 775 ATX form factor Chipset: Intel P45 Express Northbridge/Intel ICH10 Southbridge 1600/1333/1066/800 MHz Front Side Bus Supports up to 16 GB DDR2 RAM Support for DDR2 1366+/1066/800/667 MHz memory modules Realtek ALC888 codec high definition audio 2/4/5.1/7.1-channel