Wintec AMPX MHzCL5 2GB UDIMM Retail 2Rx8 1.9V with HS 2 Not a Kit (Single) DDR2 800 (PC2 6400) 240-Pin SDRAM 3AXT6400C5-2048 Storage Capacity: 2GB Technology: DDR2 SDRAM Form Factor: DIMM Compatibility: Desktop