Dell Optiplex 990 Power Supply Upgrade

The system comes with 265 watts but i d like to install a more powerful supply so i can upgrade the video card to whatever i want.

Dell optiplex 990 power supply upgrade.

The power supply has to be equal or smaller than 9 5 by 2 8 by 2 4 inch and produce more than 400w thanks in advance. View return policy 37 62. Will any atx power supply fit in the 990 minitower. On newegg the sizes of the various power supplies seem to be slightly different dimensions than the dell optiplex 99.

But its some funky size mobo. 30 days warranty model. I picked up a super cheap optiplex 990 sff with an i7 2600. 30 days warranty labor.

The original plan is was to transplant the system into a bigger case. The system comes with 265 watts but i d like to install a more powerful supply so i can upgrade the video card to whatever i want. Dell optiplex 390 790 990 3010 7010 9010 sff computer power supply 240 watt cccvc rv1c4 3wn11 j50tw 2txym ph3c2. So its not that cut and dry.

What im wondering is will this computer accept a larger power supply. This item 400w power supply upgrade for dell slimline optiplex 390 790 990 7gc81 6mvjh thermaltake smart 500w 80 white certified psu continuous power with 120mm ultra quiet cooling fan atx 12v v2 3 eps 12v active pfc power supply ps spd 0500npcwus w. Looking for a power supply upgrade for my optiplex 990 sff so i can install a decent graphics card.