16GB DDR3-1866 ECC REG 2Rx4 1.5V PC3-12800 Module
Hynix 16GB Module - PC3-14900R DDR3-1866 ECC REGISTERED - CL11 240-Pin DIMM - 1.5V - Dual Rank Memory Module - 16GB DDR3 - ECC - Registered - PC3-14900
1GB PC2-4200 ECC Registered DDR2-533
1024MB PC2-4200 DDR2-533 Registered ECC (2-Rank) (Non-Returnable/Non-Exchangable)