OCZ 2GB PC2-5400 667MHz DDR2 Value SoDIMM Module (OCZ2MV6672G) 667MHz DDR2/CL 5-5-5-15 Available in 512MB, 1GB, and 2GB modules/Available in 2GB, 3GB, and 4GB D/C Kits Unbuffered/1.8 Volts/200 Pin DIMM Lifetime Warranty