8D-23KK5M2FTP TwinMOS 512MB PC2-6400 DDR2-800MHz non-ECC Unbuffered CL6 240-Pin DIMM Memory Module

8D23KK-TT TwinMOS 1GB PC2-5300 DDR2-667MHz non-ECC Unbuffered CL5 240-Pin DIMM Dual Rank Memory Module