CompUSA Upgrades - Guaranteed Compatible Memory
Silicon Mountain Memory offers upgrades for all CompUSA computer models, simply select your CompUSA model below to get started. Save time and money by purchasing guaranteed compatible memory for CompUSA. Lifetime Warranty included on all RAM.
CompUSA Model Lines 
Performance
Noticeably improve your system's performance or your money back
Compatibility
100% compatible memory for your system
Quality
7 levels of rigorous testing and a lifetime warranty