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Best Power Supply Units

Power Supply Unit Comparison 2026

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Best Product
Thermaltake Smart RGB
Thermaltake Smart RGB
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Amazon
Bestseller
Corsair RM1000x
Corsair RM1000x
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Amazon
Best Price
LC-Power LC420H-12
LC-Power LC420H-12
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Amazon
Sharkoon SilentStorm SFX
Sharkoon SilentStorm SFX
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Amazon
TooQ TQEP-500S-SFX
TooQ TQEP-500S-SFX
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Amazon
Our Ratings
Model
Customer Ratings
Seller
Available From
Manufacturer
Form factor
Power
Available connections
Number of SATA interfaces
Number of PCIe interfaces
Dimensions
Weight
Cable length
On/off switch
1
Best Product
Thermaltake Smart RGB
Vergleichsergebnis
Rating
Excellent
05 / 2025
Model
Thermaltake Smart RGB
Bewertung
2478 Reviews
Zum Anbieter
Amazon
Available at
amazon
£129.73
eBay
Check Price
Manufacturer
Thermaltake
Form factor
ATX
Power
700 W
Available connections
  • CPU
  • PCIe
  • Floppy disk
  • MOLEX
  • 20+4 Pin
  • and more
  • Motherboard
Number of SATA interfaces
5
Number of PCIe interfaces
2
Dimensions
3,4 x 5,5 x 5,9 in
Weight
56,4 oz
Cable length
On/off switch
2
Bestseller
Corsair RM1000x
Vergleichsergebnis
Rating
Excellent
01 / 2025
Model
Corsair RM1000x
Bewertung
902 Reviews
Zum Anbieter
Amazon
Available at
amazon
£327.61
eBay
Check Price
Onbuy.com
£233.90
Manufacturer
Corsair
Form factor
ATX
Power
1000 W
Available connections
  • CPU
  • PCIe
  • Floppy disk
  • MOLEX
  • 20+4 Pin
  • and more
  • Motherboard
Number of SATA interfaces
6
Number of PCIe interfaces
8
Dimensions
3,4 x 5,9 x 6,3 in
Weight
70,5 oz
Cable length
24 in
On/off switch
3
Best Price
LC-Power LC420H-12
Vergleichsergebnis
Rating
Excellent
01 / 2025
Model
LC-Power LC420H-12
Bewertung
862 Reviews
Zum Anbieter
Amazon
Available at
amazon
£34.00
eBay
Check Price
Manufacturer
LC-Power
Form factor
ATX
Power
420 W
Available connections
  • Floppy disk
  • compatible with many music streaming services
  • 4-pin
Number of SATA interfaces
4
Number of PCIe interfaces
Dimensions
3,5 x 5,9 x 7,5 in
Weight
48,3 oz
Cable length
On/off switch
4
Sharkoon SilentStorm SFX
Vergleichsergebnis
Rating
Excellent
01 / 2025
Model
Sharkoon SilentStorm SFX
Bewertung
355 Reviews
Zum Anbieter
Amazon
Available at
amazon
£127.38
eBay
Check Price
Manufacturer
Sharkoon
Form factor
ATX
Power
500 W
Available connections
  • Motherboard
  • CPU
  • MOLEX
  • 20+4 Pin
  • Floppy disk
  • and more
  • PCIe
Number of SATA interfaces
Number of PCIe interfaces
2
Dimensions
2,5 x 4,9 x 5,1 in
Weight
38,8 oz
Cable length
23,6 in
On/off switch
5
TooQ TQEP-500S-SFX
Vergleichsergebnis
Rating
Excellent
01 / 2025
Model
TooQ TQEP-500S-SFX
Bewertung
388 Reviews
Zum Anbieter
Amazon
Available at
amazon
£35.18
eBay
Check Price
Manufacturer
Form factor
ATX
Power
500 W
Available connections
  • 20+4 Pin
Number of SATA interfaces
Number of PCIe interfaces
Dimensions
2,5 x 3,9 x 4,9 in
Weight
28,2 oz
Cable length
On/off switch