These high quality 512MB DDR2 Memory modules from Buffalo Technology, the number one memory module manufacturer in Japan, are an ideal choice for building your own system, or replacing your existing memory.  They are built to Buffalo's high manufacturing standards, so they are cost effective without sacrificing quality.  These modules have been 100% tested with all major motherboards for optimal compatibility.  They are backwards compatible so they will work with motherboards that use DDR2 PC 3200/400MHz and DDR2 PC 4200/533MHz, as well as DDR2 PC 5300/667MHz. The modules are covered by a Lifetime Warranty.

Technical Specifications