How to upgrade old computer psu? Tags: Prebuilt Power Computer Systems Last response: November 20, 2012 10:34 PM in Systems Share tonyantonio November 20, 2012 9:45:14 PM I have this old computer I am upgrading and it has a 3oo watt power supply I am thinking to upgrade it, so will new psu's work wth it More about : upgrade computer psu Traildriver November 20, 2012 10:30:01 PM What hardware do you have and what are you planning to with it? m 0 l tonyantonio November 20, 2012 10:34:44 PM Just a video card and ram Its a dell Optilex 745C m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedJust got a Geforce GTX 760. My computer is old, I need a PSU upgrade, do i need anything else to use the card at it's maximum? Forum How do i get a memory upgrade for a 10 year old gateway computer--Performance 18 Forum SolvedUpgrade: Replace old high quality PSU? Forum SolvedGPU Upgrade - old PSU sufficient? Forum SolvedOld Dell Opteplex 520 DT PSU Upgrade Forum SolvedLooking to upgrade old computer any help appreciated Forum Solvedold PSU sufficient for this upgrade? Forum SolvedHow can I turn my old computer into a media server? Forum SolvedUpgrading PSU, how does a computer handle changes in power? Forum SolvedIs my old PSU still good? (Upgrading) Forum SolvedUpgrade help for old Computer. Forum Solved3 years old psu how much power Forum SolvedMy brother in-law has a very very old computer and wants to upgrade the video card. Forum Solvedhow can i upgrade my old vedeo card Forum Solvedcan my old Cooler Master Extreme Power Plus 650watt PSU still be used with following Upgrades? Forum SolvedI have an old computer from 2002. I recently had to upgrade to windows 7 and now I cannot fix the display to use my entire 17 Forum SolvedHow to upgrade an old system Forum SolvedNew motherboard, cpu, and ram can it run on old 32 bit computer? / xp 32 bit upgrade to win. 8 64 bit. Is it possible? Forum SolvedWhat should the computer technician add or change to upgrade my old Sony Vaio laptop? Forum SolvedDo I need to upgrade my 4 year old PSU for haswell build? Forum More resources Read discussions in other Systems categories Homebuilt New Build Prebuilt Cases Power Supplies RAM CyberPower !