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A-Tech 8GB Kit (2x4GB) DDR2 667MHz ECC FBDIMM PC2-5300F ECC Fully Buffered DIMM 240-Pin Server RAM Memory Upgrade Modules at Amazon.com
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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,
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