Edge 512MB DDR2 PC2 4200 533MHz RAM memory module 0.5 GB

EDGE memory upgrades provide maximum power, speed, quality and reliability. The trademarked, distinctive blue edge that appears on all EDGE memory upgrades is our 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 and backed by a lifetime warranty.