It's OCZ Memory so as usual it is top notch. Really good for a hard core system, overclock ready and all of that but I also must recommend Buy.com for getting my order to me faster than humanly possible. No processing delays, no games just order and ship the way it should be done in ecommerce.
The new PC2-6400 Vista Upgrade edition is optimized for perfect compatibility for those transitioning from Microsoft Windows® XP to Vista™. The OCZ Vista Upgrade series has gone through stringent testing with the full spectrum of Vista versions to deliver a perfect balance of memory performance and stability across the full range of applications.
For gamers shifting to Vista and who prefer the performance of high speed memory, the PC2-6400 Vista Upgrade 4GB kit will provide excellent memory bandwidth and deliver the most efficient operation possible, ensuring the best possible gaming and productivity on Vista systems.
Each memory module features a proprietary OCZ XTC (Xtreme Thermal Convection) heatspreader for the most effective heat dissipation. Furthermore, each OCZ Vista Upgrade module is 100% hand-tested for quality assurance and compatibility and is backed by an industry leading OCZ Lifetime Warranty and technical support for unparalleled peace of mind.