Nanya NT512T72U89A1BY-3C / AFC 512MB 1Rx8 RANK 1 - 240pin DIMM / 

PC2-5300E-555-12-F1 / CL5 / 9c 64x8 / DDR2-667MHz 

1.8V ECC UDIMM NOB, Nanya

IF YOU HAVE ANY QUESTIONS PLEASE ASK PRIOR TO BUYING