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Can you change PSU in an optiplex 790?

Slaskigt
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Hi, I'm wondering if I can change out the PSU on an Optiplex 790, I wanna get an RX 550 but the powersupply is only on 220w. The pc is the 9010 SFF. Plz help!

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you can replace the PSU, but there should be enough wattage for the RX 550. 

CPU: AMD Ryzen 5 5600X Heatsink: Gelid Phantom Black GPU: Palit RTX 3060 Ti Dual RAM: Corsair DDR4 2x8GB 3000Mhz mobo: Asus X570-P case: Fractal Design Define C PSU: Superflower Leadex Gold 650W

 

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This might work considering PCs of my tier run around 400wish max load.

 

https://m.newegg.com/products/9SIADGX5S99854?ignorebbr=true&nm_mc=KNC-GoogleMKP-Mobile&cm_mmc=KNC-GoogleMKP-Mobile-_-pla-_-Power+Supplies-_-9SIADGX5S99854&gclid=CjwKCAiA07PRBRBJEiwAS20SIBEyi07-L2WEEKpUYC90PfDH5P-46nEIPcZx4FjQwB-tS-5iZFKHThoC1qQQAvD_BwE&gclsrc=aw.ds

 

 

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Well the recommended watt is 400 for the 550 but i'm currently using the gt 430 and that takes like 43w

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10 minutes ago, Slaskigt said:

Hi, I'm wondering if I can change out the PSU on an Optiplex 790, I wanna get an RX 550 but the powersupply is only on 220w. Plz help!!

Is it soldered in or something? If not then sure.

 

Also, a GT 1030 performs alright and is only 30w if you're looking for another (potentially cheaper) option. I went with a 1050 personally which is better than both cards.

 
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Just now, Slaskigt said:

Well the recommended watt is 400 for the 550 but i'm currently using the gt 430 and that takes like 43w

Power.png

220w should be enough.

CPU: AMD Ryzen 5 5600X Heatsink: Gelid Phantom Black GPU: Palit RTX 3060 Ti Dual RAM: Corsair DDR4 2x8GB 3000Mhz mobo: Asus X570-P case: Fractal Design Define C PSU: Superflower Leadex Gold 650W

 

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I know the gt 1030 performs "fine" but the 550 is more for the money MaxBunny.

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1 minute ago, Slaskigt said:

okay well thanks Herman! Problem solved?

should be enough wattage, if it doesn't work you can replace the PSU with something like this:

https://www.superbiiz.com/detail.php?name=PS-SS300TG&c=CJ

CPU: AMD Ryzen 5 5600X Heatsink: Gelid Phantom Black GPU: Palit RTX 3060 Ti Dual RAM: Corsair DDR4 2x8GB 3000Mhz mobo: Asus X570-P case: Fractal Design Define C PSU: Superflower Leadex Gold 650W

 

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Doesn't it use proprietary connectors? I don't think you can... without adapters.

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Just now, WereCat said:

Doesn't it use proprietary connectors? I don't think you can... without adapters.

a google search for the 790 sff's psu says it uses standard connectors, so no worries there.

CPU: AMD Ryzen 5 5600X Heatsink: Gelid Phantom Black GPU: Palit RTX 3060 Ti Dual RAM: Corsair DDR4 2x8GB 3000Mhz mobo: Asus X570-P case: Fractal Design Define C PSU: Superflower Leadex Gold 650W

 

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32 minutes ago, Slaskigt said:

Hi, I'm wondering if I can change out the PSU on an Optiplex 790, I wanna get an RX 550 but the powersupply is only on 220w. The pc is the 9010 SFF. Plz help!

 

10 minutes ago, herman mcpootis said:

should be enough wattage, if it doesn't work you can replace the PSU with something like this:

https://www.superbiiz.com/detail.php?name=PS-SS300TG&c=CJ

If I were you, Id probably spring for the psu mcpootis linked. Then spring for a sff 1050 ti like this https://www.amazon.com/ZOTAC-ZT-P10510E-10L-Zotac-Graphics-Card/dp/B06XCXGVGR/ref=sr_1_4?ie=UTF8&qid=1512977588&sr=8-4&keywords=mini+1050+ti

( looks like it'll fit, double check the demensions of your case though.)

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i'm wondering what PSU I can get instead of having the standard 240w PSU in the optiplex 790 SFF. I'm considering getting a gtx 1050ti if I can get a PSU with atleast 400w. Help greatly appreciated!

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9 hours ago, Slaskigt said:

i'm wondering what PSU I can get instead of having the standard 240w PSU in the optiplex 790 SFF. I'm considering getting a gtx 1050ti if I can get a PSU with atleast 400w. Help greatly appreciated!

even the 240w unit will be fine with a 1050ti.

Power_01.png

the seasonic 300w TGW will work fine if you insist on an upgrade though.

CPU: AMD Ryzen 5 5600X Heatsink: Gelid Phantom Black GPU: Palit RTX 3060 Ti Dual RAM: Corsair DDR4 2x8GB 3000Mhz mobo: Asus X570-P case: Fractal Design Define C PSU: Superflower Leadex Gold 650W

 

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9 hours ago, Slaskigt said:

i'm wondering what PSU I can get instead of having the standard 240w PSU in the optiplex 790 SFF. I'm considering getting a gtx 1050ti if I can get a PSU with atleast 400w. Help greatly appreciated!

I'm running an Optiplex 780 SFF with an overclocked Q6600 and an overclocked low-profile GTX 750 Ti on the stock PSU. No problems at all. My other sleeper gaming rig has an i7-6700T (it's previously had an i5-6500) and a GTX 1050 Ti running on a 300W PSU, again, no problems. You're good. Generally speaking, Optiplex PSUs tend to be good for the rated wattage. Lots of Optiplexes are leased or purchased with extended service plans, which means that Dell has a very real incentive to not load them up with Bestec PSUs that will go "bang" the first time you try to plug a discrete GPU in.

I enjoy buying junk and sinking more money than it's worth into it to make it less junk.

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Hi, I'm wodering if this power supply https://www.amazon.com/quiet-TFX-Power-300W-Gold/dp/B00I607LG2 will fit in my dell optiplex 790 SFF, I have an idea to put in a GTX 1050 ti, I also wonder if there's enough watt for the graphics card. PS. I live in Sweden, so if you find anything better, please check if it has international shipping. Thx in advance

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2 minutes ago, Slaskigt said:

Hi, I'm wodering if this power supply https://www.amazon.com/quiet-TFX-Power-300W-Gold/dp/B00I607LG2 will fit in my dell optiplex 790 SFF, I have an idea to put in a GTX 1050 ti, I also wonder if there's enough watt for the graphics card. PS. I live in Sweden, so if you find anything better, please check if it has international shipping. Thx in advance

Those don't appear to be the same form factor, no. Look at the location of the fan and the location of where the cables come out.

|PSU Tier List /80 Plus Efficiency| PSU stuff if you need it. 

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