4GB 2 X 2GB PC2-5300F 667MHz 240 pin DDR2 SDRAM ECC Fully Buffered FB DIMM Server Low Power Memory for HP ProLiant xw460c Blade Workstation (PARTS-QUICK BRAND). Equivalent to HP Part Numbers:
Snpp134gck2/16g dell 16gb (2x8gb) 667mhz 240-pins pc2-5300 DDR-2 ecc Registered sdram dimm Memory kit for poweredge r805 Server p/n: snpp134gck2/16g - dell at Amazon.com