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Power Supply Units

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  1. Gigabyte 80+ Gold ATX Fully Modular PSU
    $169
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  2. ASUS ROG Strix 550W 80+ Gold Fully Modular Power Supply Unit
    $179
    Ships in 1-3 days
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  3. SilverStone StridePlus 24/7 550W 80+ Bronze Power Supply
    $115
    Ships in 3-7 days
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  4. SilverStone Strider 24/7 1200W Platinum Power Supply
    $325
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  5. Lenovo 65W USB C Laptop Charger (USB TYPE-C) Compatible With Most Laptop wi...
    $59
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  6. Corsair CV Series 650 Watt 80 Plus Bronze Certified ATX Power Supply
    $119
    Ships in 3-7 days
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  7. Corsair CV Series 450 Watt 80 Plus Bronze Certified Power Supply
    $75
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  8. GreatWall MATX-2706 250W OEM Power Supply Unit
    $25
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  9. FSP 120W Universal Power Adapter
    $89
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  10. Corsair RM750X 750W 80+ Gold Power Supply - White
    $239
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  11. Corsair RM750 750W 80+ Gold Fully Modular Power Supply
    $229
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  12. Corsair RM850 850W 80+ Gold Modular Power Supply
    $239
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  13. Antec VP700P PLUS 700w 80+ PSU
    $109
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  14. Antec VP650P PLUS 650w 80+ PSU
    $92
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  15. Antec VP600P PLUS 600W 80+ Non-Modular Power Supply
    $89
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  16. Antec VP550P PLUS 500w 80+ PSU
    $79
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  17. Antec Neo Eco ZEN 700w 80+ Gold PSU
    $149
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  18. Antec Neo Eco ZEN 600w 80+ Gold PSU
    $125
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  19. Antec Neo Eco ZEN 500w 80+ Gold PSU
    $109
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  20. Antec HCG850 850w 80+ Bronze Fully Modular PSU
    $179
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  21. Antec HCG750 750w 80+ Bronze Fully Modular PSU
    $149
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  22. Silverstone Essential 120mm 500W Bronze Power Supply
    $79
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  23. ASUS ROG Strix 750W 80+ Gold Power Supply
    $279
    Ships in 1-3 days
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  24. Fractal Design 760W ION+ Fully Modular Platinum Power Supply
    $209
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  25. Gigabyte AORUS AP850GM 850W 80+ Gold PSU
    $199
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  26. Thermaltake Toughpower GF1 850w 80+ Gold Power Supply
    $215
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  27. Thermaltake Toughpower GF1 ARGB 850W 80+ Gold Power Supply
    $239
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  28. Thermaltake Toughpower GF1 750w 80+ Gold Power Supply
    $189
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  29. Thermaltake Toughpower GX1 RGB 600w 80+ Gold Modular Power Supply
    $129
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  30. Thermaltake Toughpower GX1 RGB 500w 80+ Gold Modular Power Supply
    $119
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Power supply units convert the AC power from the building into the correct voltage DC and deliver power to the components of a PC.

As time progresses, computer parts are becoming more energy efficient, thus the need for a high wattage PSU is slowly decreasing.

Power supplies are rated by numbers and colour using the voluntary “80 Plus” certification. This is a global standard that has been adopted by most manufacturers. Put simply, the higher the rating, the more energy efficient the power supply is, meaning money saved on power bills.

The order of preference is 80 Plus Platinum > 80 Plus Gold > 80 Plus Silver > 80 Plus Bronze > 80 Plus.

For high end systems, and for computers that are on 24/7, aim for a gold rated PSU.

For the everyday office worker or casual gamer doing a few hours a day, there’s nothing wrong with an 80 Plus or bronze/silver-rated PSU.

In terms of wattage, the majority of office PCs and gamers should use a power supply that is under 600W. It’s much better to invest in a higher rated PSU with lower wattage than the other way around. Only people running high-specced gaming systems with two graphics cards or enterprise parts would need to venture 750W or above.

Fully modular power supplies are excellent for those who want to perform neat cabling in their PC. This allows you to remove all unused cables. Non-modular or semi-modular PSUs will not allow you to remove some cables.

While power supplies are a boring component of a PC, it's one you want to get right (for reliability and longevity) as they can last a long time and possibly be re-used in future systems.