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Recomended Power Supply

Costin Ramon
By Costin Ramon
in Power Supplies
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Hey guys, i am interesting in buying a new PSU for my pc, my specs : i7 4790, 28gb ram , two ssd 240 GB and 2 1TB HDD , only one ssd 240gb online, 2x rx 580 8gb video cards and a rx 480 video card. What psu is best for the sistem to can it run at max 50% utilization on cpu and the gpu like 100% ? I was searching for the calculator on the web but the final answare was a little bit too much in my opinion, i mean it;s match afterall , max TDP of a rx 480/580 showed in GPU program by powertech or afterburner was somewhere around 110-120W, but let;s calculate at max tdp that will mean 150 W/card = 450W, CPU , motherboard and cpu + fans i am thinking about 150W, so that will mean a total of 600W. My psu is now 750W power max, the calculator on the web recomanded a cpu of 1000W at least. What do you think about it ?

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Posted

This sytem with OC can easily run on a 450W PSU.

Edit:

I just noticed 2x RX 580 + RX 480, 750W is enough anyway if you wont OC them too much.

Your 750W is way more than barely enough.

Edit2:

Assuming that you have a quality 750W unit like EVGA G2 or G3 for example.

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10 minutes ago, WereCat said:

This sytem with OC can easily run on a 450W PSU.

Your 750W is way more than enough already.

3 gpus on a 450W?

CPU: 2x Xeon E5 2670 Motherboard: ASRock EP2C602-4L/D16,  RAM: 64GB of 1333 MHz mermory from Samsung (ECC),  GPU: Gigabyte GTX 1070,  Case: NZXT Switch 810, Storage: Samsug EVO 250GB and 500GB, 3x3 TB and 1x1TB  HDD  PSU: Corsair RM 850,  Mouse: Logitech MX Master 2s,  Headset: Beyerdynamic DT 770 PRO black edition (80 ohm), OS: UnRaid with two VMs and Plex 
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https://linustechtips.com/topic/919569-recomended-power-supply/#findComment-11271250
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Just now, WereCat said:

I already edited the post long time ago in a galaxy far far away, how do you still see the unedited one? :D

Sorry, I guess the page didn't refresh after you made the edit. I've had the paged opened while I was typing a different post.

CPU: 2x Xeon E5 2670 Motherboard: ASRock EP2C602-4L/D16,  RAM: 64GB of 1333 MHz mermory from Samsung (ECC),  GPU: Gigabyte GTX 1070,  Case: NZXT Switch 810, Storage: Samsug EVO 250GB and 500GB, 3x3 TB and 1x1TB  HDD  PSU: Corsair RM 850,  Mouse: Logitech MX Master 2s,  Headset: Beyerdynamic DT 770 PRO black edition (80 ohm), OS: UnRaid with two VMs and Plex 
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  • Author
15 minutes ago, WereCat said:

This sytem with OC can easily run on a 450W PSU.

Edit:

I just noticed 2x RX 580 + RX 480, 750W is enough anyway if you wont OC them too much.

Your 750W is way more than barely enough.

Edit2:

Assuming that you have a quality 750W unit like EVGA G2 or G3 for example.

It's a Gigabyte G750H, 750W, semi-modular, 80 Plus Gold, eficiency 90%

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