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,
OWC 64.0GB (8 x 8GB) PC6400 DDR2 ECC 800MHz 240-Pin... at MacSales.com
2GB DDR2 ECC RAM Memory 533Mhz 4200 DIMM Ram High Server Memory P2U7q | eBay
371-4180 Sun 2GB DDR2 Registered ECC PC2-5300 667Mhz 2Rx4 Server
For Hynix Ddr2 4gb 2gb Ddr2 667mhz Pc2-5300 2rx4 Fbd Ecc Pc2-5300f Fb-dimm Ram Only For Server Memory Rams Lifetime Warranty - Rams - AliExpress