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 461828-B21 EM161AA 2pcs

Total 4GB 2 X 2GB Kit PC2-5300F 667MHz DDR2 ECC 240-pin Fully Buffered DIMM FB DIMM Server Low Power Memory. JEDEC industry standard. Parts Quick Equivalent to HP Part Numbers: 397413-B21, 442823-B21, 461828-B21, EM161AA (2pcs). BEWARE! DO NOT BUY FROM OTHER VENDORS WHO CLAIM THEY ARE SELLING PARTS-QUICK BRAND. OUR WARRANTY IS ONLY FOR ITEMS PURCHASED DIRECTLY FROM PARTS-QUICK. ALL PRODUCTS BRANDED AS PARTS-QUICK ARE TO BE SOLD SOLELY BY PARTS-QUICK. PARTS-QUICK DOES NOT AUTHORIZE THE USE OF IT'S BRANDED PRODUCTS TO OTHER SELLERS. Compatible with: HP Workstation xw8600