Kingston 8 GB Kit (2 x 4 GB) 667MHz DDR2 Server Memory KTD-WS667/8G at Amazon.com
RMN1150EG38D6F 512MB 1Rx8 DDR2 SO-DIMM PC2-5300 667MHz 200-Pin Non-ECC CL5 1.8V Laptop Memory Module RMN1150EG38D6F-667 Compatible Replacement Spare Part for Ramaxel Compatible and Other Systems at Amazon.com