Chipset: Intel® G31 Express Chipset + ICH7 Socket: INTEL® Socket 775 Supports Intel Core™ 2 Duo / Core™ Duo / Pentium® D / Pentium® 4 / Celeron® D Processors Dual channel DDR2, two memory slots 800 / 1066 / 1333MHz Memory up to 4GB High speed USB interface High quality audio special capacitor+independent audio block LED isolation line Competent for multiple office needs Low power consumption but high efficiency