4 Hynix Ram PC2 5300F HYMP151F72CP4N3 16GB = 4 x 4gb Sticks Memory 2RX4 Lot of 4 | eBay
4GB 2 X 2GB PC2-5300F 667MHz 240 pin DDR2 SDRAM ECC Fully Buffered FB DIMM Server Low Power Memory for HP Workstation XW8600 (PARTS-QUICK BRAND). Equivalent to HP Part Numbers: 397413-B21, 442823-B21,