CMS 8GB (2X4GB) DDR2 5300 667MHZ ECC Fully BUFFERED DIMM Memory Ram Compatible with HP/Compaq Workstation Xw8600 Series Ddr2-Pc5300 Fb for Server Only - B54 at Amazon.com
New 2GB 2X1GB DDR2 PC2-5300 667 MHz RAM Memory for PC Desktop at Amazon.com
Komputerbay 8 GB (2 x 4GB) PC2-6400 DDR2-800 SoDIMM Dual Channel Laptop Memory Kit at Amazon.com
HP 8GB DDR2 SDRAM Memory Module - 8 GB (2 x 4 GB) - 800 MHz DDR2-800/PC2-6400 - DDR2 SDRAM - 240-pin DIMM (HP SERVER MEMORY) at Amazon.com