EDGE memory upgrades provide maximum power, speed, quality and reliability. The trademarked, distinctive blue edge that appears on all EDGE memory upgrades is an assurance to you that you have purchased a top quality memory upgrade that meets or exceeds the OEM's specifications and has passed through rigorous quality control processes. All EDGE memory upgrades are double tested prior to shipment.This memory is designed for the following systems:Fujitsu Point Point 510;IBM PacStar 4612.For a complete compatibility list please refer to the original manufacturer's web site.