Dell Optiplex 990 Power Supply Upgrade

I picked up a super cheap optiplex 990 sff with an i7 2600.

Dell optiplex 990 power supply upgrade.

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. 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. 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. But its some funky size mobo.

Gotta get crafty but no big deal. The original plan is was to transplant the system into a bigger case. What im wondering is will this computer accept a larger power supply. So its not that cut and dry.

30 days warranty model. On newegg the sizes of the various power supplies seem to be slightly different dimensions than the dell optiplex 990 supply. 30 days warranty labor. On newegg the sizes of the various power supplies seem to be slightly different dimensions than the dell optiplex 99.

Will any atx power supply fit in the 990 minitower. Looking for a power supply upgrade for my optiplex 990 sff so i can install a decent graphics card. Dell optiplex 390 790 990 3010 7010 9010 sff computer power supply 240 watt cccvc rv1c4 3wn11 j50tw 2txym ph3c2.