Asus P5Q-WS
Socket T 775, 1600 MHz Bus Speed, Supported Processor Intel Core2 Duo / Intel Pentium 4 / Intel Pentium D / Intel Core2 Extreme / Intel Core2 Quad / Intel Celeron / Intel Pentium Extreme / Intel Pentium Dual Core, Memory Technology DDR2 (8 GB Max Supported RAM), Memory Frequency 1200 MHz, 4 Memory Slots, System Chipset Intel P45, Audio Chipset Realtek ALC888, LAN Chipset Realtek RTL8111C