ValueRAM 64M x 64-bit (512MB) DDR2-667 CL5 SDRAM (Synchronous DRAM) memory module. The components on this module include eight 64M x 8-bit (16M x 8-bit x 4 Bank) DDR2-667 SDRAM in FBGA packages. This 240-pin DIMM uses gold contact fingers and requires +1.8V.