PowerSpec PSU w/ Vega 56

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Ethankid

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Jul 14, 2014
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Hey guys,

I am looking forward to getting a Vega 56 gpu and I know these cards are pretty power hungry. So my question is, will my PowerSpec 650w 80+ Bronze psu be able to handle it? I have an Ryzen 7 1800x with a Kraken M22 liquid cooler. I dont mine or anything and it would just be for gaming.
 
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Barty1884
If the PSU is of good quality, it should be fine Supposedly 48.75A on the 12V rail = 585W. ..... but we don't know/can't confirm whether it is or not.

From what I can find, it's Sirfa made and group regulated.
A pretty ancient platform, and has too many similarities to extremely budget/low quality PSUs to make me think it's anything but.

It's probably not a "burst into flames" PSU..... but I wouldn't hold my breath for stability etc, especially with a power hungry Vega GPU.
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Barty1884

Barty1884

Retired Moderator
Apr 16, 2015
22,250
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108,740
IIRC, PowerSpec is MicroCenter's "house" brand (like Rosewill for NewEgg).

I'd expect there to be a wide range of units, varying in quality.
I can't find any reliable reviews/teardowns, so it's really hard to say.

Given it would appear to sell for ~$40, I wouldn't anticipate it being of any great quality....

You've got a potential 300W draw between CPU+GPU, at stock...... before adding the balance of components and overclocking.

I'd be inclined to lead towards a no, unless there is a reliable review out there I've missed.

Considering (with a rebate) a TX650M from Corsair is $55..... it's really hard to justify the risk with the PowerSpec.
PCPartPicker part list / Price breakdown by merchant

Power Supply: Corsair - TXM Gold 650W 80+ Gold Certified Semi-Modular ATX Power Supply ($54.99 @ Newegg)
Total: $54.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-05-23 14:27 EDT-0400
 
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Ethankid

Reputable
Jul 14, 2014
31
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4,530
Yeah, I bough mine for $59.99. I typed everything into a power calculator and my total draw under load with the Vega 56 would 507w. This would be okay right? Right now I have rx 580 and I game for hours on end with no problems. The total power draw with the 580 is 487w.
 
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Barty1884

Barty1884

Retired Moderator
Apr 16, 2015
22,250
1,350
108,740
If the PSU is of good quality, it should be fine Supposedly 48.75A on the 12V rail = 585W. ..... but we don't know/can't confirm whether it is or not.

From what I can find, it's Sirfa made and group regulated.
A pretty ancient platform, and has too many similarities to extremely budget/low quality PSUs to make me think it's anything but.

It's probably not a "burst into flames" PSU..... but I wouldn't hold my breath for stability etc, especially with a power hungry Vega GPU.
 
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