https:// You need an adapter cable like this, and then you can use any off the shelf ATX PSU. This adapts the standard ATX 24-pin to the proprietary Dell 12V only power connector.
315W Power Supply Replacement for Dell Optiplex XE2 9020 7020 3020 SFF VX372 D315ES-00
NT1XP YH9D7 255W Power Supply for Dell Optiplex 3020 7020 9020 Precision T1700 Small Form Factor (SFF) Systems R7PPW 3XRJ0 V9MVK FP16X T4GWM M9GW7 FN3MN H255ES-00 D255AS-00 D255E001L F255ES-00. Visit the POINWER Store. 4.6 1,317 ratings.
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315W Power Supply Replacement for Dell Optiplex XE2 9020 7020 3020 SFF VX372 D315ES-00. Model #: 991666337510 $
290W Power Supply Compatible with Dell Optiplex 3020 7020 9020/ Precision T1700/ PowerEdge T20 (MT Mini Tower) (P/N: RVTHD KPRG9 HYV3H H290AM-00 D290A001L L290AM-00 PS-3291-1DF H290EM-00) 153. $4659.
Dell 290W Power Supply. Find Replacement Parts & Upgrades for your Optiplex 9020 Small Form Factor including batteries, adapters, pc accessories, memory upgrades, and more.
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Trying to up-grade my power supply from the 255w to a 400w +/- model, but this is a very confusing task. Has anyone up-graded their PSU, and if so, what is the correct model/type.