Corsair 2GB (2x1GB) DDR 400 MHz (PC 3200) Desktop Memory Each memory module is individually tested to give you Peace of Mind that it Will Not Fail, Guaranteed! Online 24/7 Customer Support available at www.asktheramguy.com for your convenience and questions Corsair Memory is optimized for the Microsoft Windows Vista client operating system Lifetime Warranty! 2 X 1GB PC3200 400Mhz 184-pin Timing: 3-3-3-8