FEATURES- PC2-5300 non-ECC Memory Module- 512MB
       240-pin 667MHz non-ECC Unbuffered DDR2 DIMM module.
       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 
        OEMs 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. 

512MB 1X512MB PC25300 667 NONECC UNBUFFERED 240 PIN DDR2 DIMM