Patriot PSD24G667SK Signature PC2-5300 DDR2 667MHz 4GB SODIMM CAS 5 Dual Channel Kit (Green),Patriot,PSD24G667SK" /> PC2-5300 (DDR2 667MHz) 4GB SODIMM Dual Channel Kit, CAS 5 100% industrial standard and Compatibility 100% Hand Tested and Verified RoHS Compliant Main Stream Upgrade