8GB KIT (2 x 4GB) for HP-Compaq Workstation Series xw4600 xw4600/CT. DIMM DDR2 ECC Unbuffered PC2-6400E 800MHz Server Ram Memory. Genuine A-Tech Brand. at Amazon.com
Server Ram 4gb Ddr2 800mhz 2gb 2rx8 Pc2-6400e Unbuffered Ecc Memory For Hp Workstation Xw4600 Xw4400 Xw4500 Xw4550 - Rams - AliExpress