SNP9F035CK2/8G New Dell (Hynix or Kingston) 8GB (2x4GB) 2Rx4 5300F FBDIMM ECC Memory Module Upgrade Kit

Fully Buffered Server Memory, PowerEdge 2900 2950

Will work on HP xw6400

This is ECC Server memory - only suitable for some servers and workstations, but not normal computers, this will not work in your normal home or office computer !