8GB DDR3-1600 ECC UDIMM FOR HP - 669324-B21Axiom Memory Axiom 8GB DDR3 1600 ECC UDIMM for HP Gen 8 669324 B21, 684035 001, 669239 081 For Server 8 GB DDR3 1600 PC3 12800 DDR3 SDRAM 1600 MHz ECC 240 pin UDIMM Lifetime Warranty VPN: 669324 B21 AX SKU: RSC965350 UPC: 845282075311 UDIMM 8 GB capacity is enough to execute all memory hungry programs simultaneously 1600 MHz of memory speed skillfully manages the variety of apps and computational tasks 240 pin pin DDR3 1600 PC3 12800 interface