PSU Suggestions

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2 Oct 2016
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39
I'm currently building a new PC and I need a PSU, but I'm not sure where to even begin with all the different makes and models, what's good, what to avoid. Can someone suggest a good PSU for the following setup, please?

Asus AMD ROG STRIX B650E-E Gaming WIFI AM5 DDR5 ATX Gaming Motherboard
Corsair Vengeance 32GB DDR5 6000MHz
Kingston Fury Renegade 2TB M.2 Internal SSD
AMD Ryzen 7 7800X3D, AM5, Zen 4, 8 Core, 16 Thread, 4.2GHz, 5.0GHz Turbo, 96MB Cache, PCIe 5.0, 120W TDP
PowerColor Radeon RX 7900XTX Red Devil OC
Thermalright Frozen Prism 360 Black ARGB
Antec C3 ARGB Black
EZDIY-FAB PSU Cable Extension Sleeved Cable
 
with what's available at ocuk, i'd actually get this (note i've not looked at other etailers...that's your job :P )

same price as the 850w seasonic, but a 1kw psu instead

I’m sensing you have a preferred colour! I’ve done some of the build but I’m hating all the RGB connectors. Why did I feel like they were necessary.

I’ll have browse through those PSU’s but I’m at the stage where I’d happily pay someone to build it now, cable ties everywhere.
 
A general of thumb is that a gold PSU with a 10 year warranty is likely to be decent, but do check reviews on somewhere like THG, hwbusters or anandtech.

There are a few tier lists on the interwebs, but unfortunately they seem to be lacking a lot of the newer models.


If you'd like 3x independent PCIE cables for your card, keep in mind that many ATX 3.x PSUs struggle to accommodate this and 2x EPS12v and may expect you to use an adapter on the 12VHPWR. Using an adapter is something I'd want to avoid.

These are both 1000 watts, platinum, but the second one only has a 8 year warranty.

My basket at OcUK:

Total: £316.97 (includes delivery: £7.99)​

I decided on the 850W MSI MPG A850G, Fully Modular, 80PLUS Gold, Single Rail, PCIe 5.0, 70.8A, 135mm Fan, ATX 3.0 PSU 80QT0
Have to admit it threw me a little on only having 2 PCIE plug in's but it doesn't seem too bad, just having to install windows and install everything new as there's virtually no room for hard drives! Trying to cable manage but there's very limited space behind to organise everything. Cable management has never been my strong suit
 
Ah I didn’t realise the 12vHPWR also functioned as PCIE, I’ll get that swapped over. So with the 12vHPWR I can use that to power 2 of the slots and then use 1 dedicated for the 3rd slot?
 
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Really confusing you'd think a PSU is pretty much standard, but changing even psu now different standards connections :rolleyes:

Yes that’s the first time I’ve seen a 12vHPWR connector and didn’t realise that could be used to power 2 of the slots on the GPU, I have a spare PCIE slot now. I wasn’t overly comfortable using one PCIE for 2 slots on the GPU, amazing what you learn here.

I definitely owe @tamzzy a beer or two
 
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