4GB 2Rx8 512M x 64-Bit PC3-10600CL9 240-Pin DIMM - ValueRAM's 512M x 64-bit (4GB)DDR3-1333 CL9 SDRAM (Synchronous DRAM), 2Rx8 memorymodule, based on sixteen 256M x 8-bit DDR3-1333 FBGAcomponents. The SPD is programmed to JEDEC standardlatency DDR3-1333 timing of 9-9-9 at 1.5V. This 240-pin DIMMuses gold contact fingers.