
Corsair
Corsair RM1000x (ATX 3.1)
1,000 W · 80 PLUS Gold · Full

A 1050 W Gold ATX 3.1 unit with a native 12V-2x6 cable and five PCIe 8-pin connectors in a 140 mm case.
PCPR score
7.5
Good
Best price we’ve seen
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R1
The Toughpower GF A3 Gold 1050W is Thermaltake's ATX 3.1 power supply, rated 80 PLUS Gold and Cybenetics Platinum for efficiency. It has a native 12V-2x6 connector rated 600 W, five PCIe 6+2 connectors, twelve SATA connectors and a 120 mm fluid dynamic bearing fan in a short 140 mm body. It suits high-end gaming builds with several PCIe power cables. Thermaltake's page showed the unit out of stock when read.
Pros
Cons
Best for
J3
Core
Physical
Connectivity
Cooling
Compatibility notes
P1
Best Buy
Seen Nov 9, 2026
$169.99
See it at Best BuyThermaltake official page
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AV1
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R9
Thermaltake describes the GF A3 Gold series as meeting ATX 3.1 with a PCIe Gen 5.1 12V-2x6 connector.
The product page text read did not state a warranty length, so check the maker's warranty page. Warranty terms can differ by region.
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