Kingston ValueRAM 4GB Kit (2x2GB Modules) 667MHz PC2-5300 DDR2 Notebook Memory (KVR667D2K2SO/4GR)
Kingston's KVR667D2K2SO/4GR is the 256M x 64-bit 4GB (4096MB) DDR2 667MHz CL5 SDRAM (Synchronous DRAM) mental recall module. This 200-pin SODIMM (Small Outline DIMM) uses bullion hit fingers as well as requires +2.6V.