2GB PC2-4200 ECC Registered DDR2-533
2048MB PC2-4200 DDR2-533 Registered ECC (1-Rank) (Non-Returnable/Non-Exchangable)
512MB DDR2-400 ECC REG
512MB DDR2-400 PC2-3200 - ECC REGISTERED - CL3 2.6V 240pin 1Rx8 - for IBM HP Dell Lenovo Intel Supermicro - IBM- 13N1424-510 / HYMP564R72P8-AA-A / HP- 345112-951