CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black
SIMILARThermaltake - Toughpower GF A3 1050W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black $149.99MSI - MAG A1000GLS PCIE5 1000W ATX 3.1 & PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply - Black $149.99Thermaltake - Toughpower GT 1000W 80+ Gold ATX 3.1 Fully Modular Power Supply - Snow $149.99All Power Supplies →PSU Wattage Calculator →
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💡 How to pick a power supply
What to look for:
- Wattage exceeds total system draw by 20-30% headroom
- 80+ Gold or higher for efficiency
- Modular cables reduce clutter in your case
💰 Mid-range builds: 650-750W. High-end with RTX 4080+: 850W-1000W+
FILTERS
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SORTVIEWProductWattsRatingModularColorValuePrice

Corsair0🔥 DEAL -$20
850W
Gold
Full
Black
—
$169.99
$149.99
2 stores
Specifications
UPC840006667506
Model #CP-9020270-NA
Watts850W
RatingGold
ModularFull
ColorBlack
RGBNo
Fans1
Form FactorATX
value15
Fan Size135mm
depth160
ATX 3.0No
Customer Reviews★★★★★5.0 · 5 reviews
★★★★★Works
jlsa · 2026-05-15 · via bestbuy
★★★★★Just a great product
WilliamP · 2026-05-11 · via bestbuy
★★★★★review
wlrns · 2026-05-08 · via bestbuy
★★★★★Reliable, quiet, and easy to cable manage
Justin · 2026-05-05 · via bestbuy
★★★★★The fan speed adjuster is a gamechanger
JonathanB · 2026-05-02 · via bestbuy
Buy Now
Best BuyBEST
✓ In Stock
$149.99
Buy →
Newegg
✓ In Stock
$149.99
Buy →
Amazon
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MSI
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Newegg (Open Box)
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💰
Below MSRP
Was $169.99 → $149.99
Save $0.00 at bestbuy vs newegg
12% off