Optiplex 780 best replacement memory Tags: Prebuilt Optiplex RAM Dell Memory Systems Last response: October 24, 2012 8:53 PM in Systems Share cpiza54 October 24, 2012 8:35:09 PM Just need a straight answer from someone on the best RAM upgrade for a Dell Optiplex 780. More about : optiplex 780 replacement memory tiny voices a b } Memory October 24, 2012 8:53:06 PM Chances are you have a 32-bit operating system, therefore you will only be able to see 3gb. Buy a cheap 4gb kit. m 0 l Can't find your answer ? Ask ! Publish Related resources How to find replacement bios for a NEW Dell Optiplex 780 ? Forum SolvedOptiplex 780 RAM compatibility question Forum SolvedDell Optiplex 9010 motherboard into Dell Optiplex 780 case? Forum SolvedLooking for video card for Optiplex 780 Forum SolvedNeed help finding a PSU for Optiplex 780? Forum SolvedPerformance Heatsink required for Optiplex 780 with quad core CPU Forum SolvedCan I use this case for my Dell Optiplex 780 SFF (small form factor) ? Forum Solvedi want to put a newer mother board in my dell optiplex 780 like a quad care Forum SolvedNeed a PSU for an Optiplex 780? Forum SolvedCan Optiplex 780 run an i5? Forum SolvedDell Optiplex 780 Forum SolvedDell Optiplex and GeForce 780ti Forum SolvedOptiplex 755 USFF rear fan replacement Forum Solvedoptiplex 755 vs 780 Forum Solvede7400 caompatiblity with OptiPlex 780 Forum SolvedHD 6670 on Optiplex 780? Forum SolvedDell Optiplex 780 motherboard Forum Dell optiplex 745 processor cooling fan replacement Forum SolvedShould i put Gigabyte Raedon HD 7750 on my Dell Optiplex 780 MT (Mini Tower)? Forum Dell Optiplex 780 and ZOTAC GeForce GT 630 4GB Forum More resources Read discussions in other Systems categories Homebuilt New Build Prebuilt Cases Power Supplies RAM CyberPower !