Hi Kisianik
I would like to know the same
I have a DT
see my reply on (below) as well
http://www.tomshardware.co.uk/answers/id-1639174/run-nvidia-geforce-gtx-650-ati-radeon-6790-dell-optiplex-755.html#10802380
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Hi Stryker13799
Sorry for "re-opening" this threat, but there is a lot useful information provided by Kisianik
Does the 7770 work for you ?
Did you had to upgrade the Power Supply ? (I don't want to do this)
I am in the same situation as you, having 2 desktops
Optiplex 755 Mini-tower
Optiplex 960 Desktop
Currently having a Radeon HD 5450 (optiplex 960) and got used to the low performance with new Games
I wanted to buy the 7750 (for the optiplex 960) but then i got informed about the 7770 and GTX 650 (both are faster)
So now I have found 3 low power cards
Radeon HD 7750 (55 watt)
GeForce GTX 650 (64 watt)
Radeon HD 7770 (80 watt)
Does the 7770 fit into the 755 and 960 ? without replacing the power supply ?
thank you