What is the best cpu upgrade possible for a dell optiplex gx28 Tags: CPUs Optiplex Dell Last response: October 8, 2011 2:30 AM in CPUs Share benjock October 7, 2011 11:51:11 PM what is the best cpu upgrade possible for a small form gx280? and what is a good compatibly cpu that is under $100? More about : cpu upgrade dell optiplex gx28 k1114 a c 121 à CPUs October 8, 2011 12:51:05 AM The best you can go to is the p4 650 which can be found for around $40. I see that you're upgrading the gpu, cpu, ram, and os, seems like a waste of money to me. You could probably find a whole computer cheaper on craigslist and be more performance. benjock October 8, 2011 2:30:36 AM thanks Can't find your answer ? Ask ! Publish Related resources : ForumHelp with CPU upgrade for Dell OptiPlex GX620, please! ForumWhat would be the best possible upgrade for my PC ForumUpgrading AMD CPU in Dell Optiplex 740 Enhanced ForumBest Graphics Card for Dell Optiplex 745 ForumDell Optiplex 755 System ForumDell Optiplex GX280 Graphics Card PCIe Upgrade ForumDell Optiplex 745 and a newer generation GPU ForumDell Optiplex GX280 Upgrade Question ForumDell Optiplex 745 CPU Upgrade ForumDell Optiplex 745 USFF cpu upgrade recommendations ForumDell Optiplex GX620 upgrades ForumDell optiplex gx280 cpu replacement pentium 4 540 -> celeron 420 ForumDell Optiplex GX620 + Core 2 ForumDell 380 Optiplex , new GPU, NO budget ForumPSU Help More resources Read discussions in other CPUs categories AMD Intel Intel i5 Intel i7 Phenom Cooling Performance !