Winten WT-LD667-D4GB 4GB ( 2GB x2 ) DDR2 PC5300 DeskTop PC memory (240-pin LODIMM , 667MHz) 4GB 2X2GB DDR2 667MHz PC2-5300 PC2-5400 DDR2 667 (240 PIN) DIMM Desktop Memory BRAND NEW 2GB PC2-5300 PC2-5400 DDR2 667 Mhz. Supports Dual Channel. 100% Compatible with Desktops. Compatible with Desktops that support DDR2 240PIN memory Warranty : 1 Year