Is a 620W psu enough for a 449W system

UsandThem

Elite Member
Super Moderator
May 4, 2000
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It should be ok, based on the power consumption in this review:

https://www.anandtech.com/show/11717/the-amd-radeon-rx-vega-64-and-56-review/19

But I have to ask, if you are buying higher-end components, why skimp so much on the PSU that is only bronze rated, and is an entry-level unit that doesn't score particularly high? You can get a much better gold PSU for not that much more money, that will be more efficient, be better built, and give you a much longer warranty.
 

whm1974

Diamond Member
Jul 24, 2016
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It should be ok, based on the power consumption in this review:

https://www.anandtech.com/show/11717/the-amd-radeon-rx-vega-64-and-56-review/19

But I have to ask, if you are buying higher-end components, why skimp so much on the PSU that is only bronze rated, and is an entry-level unit that doesn't score particularly high? You can get a much better gold PSU for not that much more money, that will be more efficient, be better built, and give you a much longer warranty.
I strongly agree. For high end and near high end builds Gold rated PSUs are the minimum to get.
 

VirtualLarry

Lifer
Aug 25, 2001
48,372
5,092
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I strongly agree. For high end and near high end builds Gold rated PSUs are the minimum to get.
I agree too.

Recently, as in Nov. 2018, I acquired two Rosewill Capstone 80Plus Gold 650W PSUs for $44.99 ea., and a pair of EVGA G1+ 80Plus Gold 650W for $59.99 from EVGA_official on ebay. The Capstone have a 5-year warranty and Jpn. caps, the EVGA G1+ have a 10+2 year warranty, and Jpn. caps too.
 

whm1974

Diamond Member
Jul 24, 2016
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I agree too.

Recently, as in Nov. 2018, I acquired two Rosewill Capstone 80Plus Gold 650W PSUs for $44.99 ea., and a pair of EVGA G1+ 80Plus Gold 650W for $59.99 from EVGA_official on ebay. The Capstone have a 5-year warranty and Jpn. caps, the EVGA G1+ have a 10+2 year warranty, and Jpn. caps too.
If I could depend on getting those Rosewill 80Plus Gold PSUs even at a lower wattage at that price II would be using them for low end builds.
 
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