R5Updated November 2026

Best Power Supplies of 2026

ATX 3.1 and SFX units with native 12V-2x6, efficiency ratings, lengths and connector counts.

ATX 3.1 and SFX units with native 12V-2x6, efficiency ratings, lengths and connector counts. These picks are ranked by our score, which blends independent review data, specs, street price and owner feedback. Prices and availability move fast, so check the date beside each price before buying.

  1. Corsair HX1200i (ATX 3.1)
    01Best overall8.3
    Corsair HX1200i (ATX 3.1)

    1,200 W · 80 PLUS Platinum · Full · ATX 3.1

    A 1200 W Platinum flagship-tier unit with two 12V-2x6 cables, iCUE monitoring and a 10-year warranty.

  2. Corsair RM1000x (ATX 3.1)
    028.1
    Corsair RM1000x (ATX 3.1)

    1,000 W · 80 PLUS Gold · Full · ATX 3.1

    A fully modular 1000 W Gold unit with a native 12V-2x6 cable, a 10-year warranty and a Zero RPM fan.

  3. Corsair RM850e ATX 3.1 with ThermalProtect Cable
    038.1
    Corsair RM850e ATX 3.1 with ThermalProtect Cable

    850 W · Cybenetics Platinum · Full · ATX 3.1

    An 850 W Cybenetics Platinum ATX 3.1 unit whose bundled 12V-2x6 cable can shut the GPU down if its connector overheats.

  4. Corsair RM850x (ATX 3.1)
    048.0
    Corsair RM850x (ATX 3.1)

    850 W · Cybenetics Gold · Full · ATX 3.1

    Corsair's best-selling 850 W Gold unit, updated to ATX 3.1 with a native 12V-2x6 cable.

  5. Enermax Revolution D.F. 12 750W
    058.0
    Enermax Revolution D.F. 12 750W

    750 W · 80 PLUS Gold · Full · ATX 3.1

    A 750 W ATX 3.1 gold unit only 122 mm deep, with a 600 W 12V-2x6 cable and strong power quality in Tom's Hardware tests.

  6. MSI MPG A1000GS PCIE5
    068.0
    MSI MPG A1000GS PCIE5

    1,000 W · 80 PLUS Gold · Full · ATX 3.1

    A 1000 W Gold ATX 3.1 unit with two native 12V-2x6 connectors and a 10-year warranty.

  7. ASUS ROG Thor 1000W Platinum III
    077.9
    ASUS ROG Thor 1000W Platinum III

    1,000 W · 80 PLUS Platinum · ATX 3.1 · ATX

    A 1000 W Platinum ATX 3.1 unit with a 16-pin cable, a 0dB fan button and an A++ Cybenetics noise grade.

  8. Cooler Master MWE Gold 750 V3 (ATX 3.1)
    08Best value7.9
    Cooler Master MWE Gold 750 V3 (ATX 3.1)

    750 W · 80 PLUS Gold · Full · ATX 3.1

    A 750 W ATX 3.1 unit with a 90-degree 12V-2x6 cable, zero-RPM default mode, fully modular cables and a ten-year warranty.

  9. Corsair RM750x (ATX 3.1)
    097.9
    Corsair RM750x (ATX 3.1)

    750 W · Cybenetics Gold · Full · ATX 3.1

    A 750 W ATX 3.1 unit with Japanese capacitors and a ten-year warranty, though priced above cheaper rivals.

  10. Corsair SF1000
    107.8
    Corsair SF1000

    1,000 W · 80 PLUS Platinum · Full · ATX 3.1

    A fully modular 1000 W Platinum SFX power supply with ATX 3.1, a 12VHPWR cable and a seven-year warranty.

Browse all power supplies

We may earn a commission when you buy through links on this page. It never affects our scores or what we recommend.