Our rankings are generated through the algorithmic analysis of thousands of customer reviews about products, brands, merchant customer service levels, popularity trends, and more. We use advanced technology, including AI, to help process and organize this information at scale, supporting our analysis with greater speed and consistency. The rankings reflect our opinion and should be a good starting point for shopping.
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9 Best computer power supplies of 2026
Save up to 27% off
Best Choice1
msi9.9Exceptional
MSI MAG A750GL PCIE5, Fully Modular Compact Gaming 750W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable, 10 Year Warranty
18% Off-
product dimensions: 12 x 9 x 5 inches
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series: MAG A750GL PCIE5
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country of origin: China
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item weight: 6.1 pounds
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item dimensions lxwxh: 12 x 9 x 5 inches
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Value for Money2
Thermaltake9.8Exceptional
Thermaltake Toughpower GT 850W ATX 3.1 Standard Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 450W PCIe 5.1 Connector; PS-TPT-0850FNFAGU-3; 5 Year Warranty
27% Off
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3
Thermaltake9.7Exceptional
Thermaltake Smart 600W ATX 12V V2.3/EPS 12V 80 Plus Certified Active PFC Power Supply PS-SPD-0600NPCWUS-W
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product dimensions: 8.9 x 4 x 7 inches
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series: TMT-PSSPD0600NPCWUSW
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country of origin: China
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item weight: 4.5 pounds
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item dimensions lxwxh: 8.9 x 4 x 7 inches
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4
msi9.6Exceptional
MSI MAG A850GL PCIE5, Fully Modular Compact Gaming 850W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable, 10 Year Warranty
15% Off-
product dimensions: 12 x 8.75 x 4.92 inches
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series: a850gl
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country of origin: China
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item weight: 6 pounds
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item dimensions lxwxh: 12 x 8.75 x 4.92 inches
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5
Corsair9.5Excellent
CORSAIR RM750e ATX 3.1 PCIe 5.1 Ready Fully Modular 750W Power Supply – 12V-2x6 Cable Included, Cybenetics Gold Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black
22% Off
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6
Corsair9.2Excellent
CORSAIR RM850x ATX 3.1 PCIe 5.1 Ready Fully Modular 850W Power Supply – Low-Noise, Cybenetics Gold Efficiency, Native 12V-2x6 Connector – Black
18% Off
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7
Thermaltake9.1Excellent
Thermaltake Smart 500W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Cooling Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0500NPCWUS-W
11% Off-
product dimensions: 8.9 x 4 x 7 inches
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series: TMT-PSSPD0500NPCWUSW
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country of origin: China
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item weight: 3.8 pounds
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item dimensions lxwxh: 8.9 x 4 x 7 inches
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8
CyberPower8.9Very Good
CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge Protector
13% Off-
Power Cord Length:5 foot
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Form Factor:Mini Tower
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Multifunction LCD Panel:Color display, tilts up to 22 degrees
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Input Plug:NEMA 5-15P right angle, 45 degree offset
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Automatic Voltage Regulation:Yes
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9
Corsair8.7Very Good
CORSAIR RM850e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable – ATX 3.1 & PCIe 5.1 Compliant, Cybenetics Gold Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black
18% Off-
product dimensions: 5.91 x 5.51 x 3.39 inches
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series: CORSAIR RM850e
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country of origin: China
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item weight: 3.37 pounds
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item dimensions lxwxh: 5.91 x 5.51 x 3.39 inches
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