Amazon.com: Kingston 1GB 240-Pin DDR2 SDRAM ECC Registered DDR2 667 (PC2 5300) Server Memory Model KVR667D2S4P5/1G : Electronics
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,