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PSU Units

Looking for the right PSU unit for your computer setup? Klarna is here to guide you. We list a wide range of PSU units from top brands and retailers, ensuring you find the best fit for your needs. Our category filters make it easy to narrow down your choices based on power output, efficiency rating, and price range. Compare different models side-by-side to see which PSU unit suits your system best. User reviews add another layer of insight, helping you make the right choice without any hassle. Whether you're building a new PC or upgrading an existing one, Klarna makes the process simple and straightforward. Begin here to find the ideal PSU unit that powers your setup efficiently and reliably.

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1000+ products

PSU Units MSI MPG Ai1300TS PCIE5 1300W Power Supply
Popular
MSI MPG Ai1300TS PCIE5 1300W Power Supply
$379
4 stores
PSU Units GX2 600W
GX2 600W
Gold 80 PLUS Certification
$58.95
5 stores
PSU Units Corsair RMx Series RM850x ATX Power Supply
-36%
Corsair RMx Series RM850x ATX Power Supply
Gold 80 PLUS Certification
$89.99
$139.99
4 stores
PSU Units Thermaltake Toughpower GF3 850W 80+
Trending
Thermaltake Toughpower GF3 850W 80+
Gold 80 PLUS Certification
$123.99
4 stores
PSU Units Corsair HX1000i Fully Modular Ultra-Low 1000W
Trending
Corsair HX1000i Fully Modular Ultra-Low 1000W
$234.99
4 stores
PSU Units Thermaltake Smart 500W
Thermaltake Smart 500W
$39.99
6 stores
PSU Units Asrock SL-1000G 1000W Power Supply
Asrock SL-1000G 1000W Power Supply
$99.99
3 stores
PSU Units Lian Li Edge Serie 1000W Full Modular Power Supply
Lian Li Edge Serie 1000W Full Modular Power Supply
Gold 80 PLUS Certification
$147.99
Out of stock
Be Quiet! Dark Power 14 1200W ATX 3.1 Titanium PCIe 5.1 Modular
Trending
Be Quiet! Dark Power 14 1200W ATX 3.1 Titanium PCIe 5.1 Modular
Titanium 80 PLUS Certification
$299.90
3 stores
Cooler Master mwe gold 850 v3 3.0
Cooler Master mwe gold 850 v3 3.0
Gold 80 PLUS Certification
$109.99
5 stores
MSI Inspire GeForce RTX 5080 16GB GDDR7 PCI Express 5.0 Graphics Card
MSI Inspire GeForce RTX 5080 16GB GDDR7 PCI Express 5.0 Graphics Card
Gold 80 PLUS Certification
$89.99
6 stores
CyberPower CP500PFCRM1U UPS Systems
CyberPower CP500PFCRM1U UPS Systems
$229.46
9 stores
Corsair RMx Series RM750x ATX Power Supply 750 Watts
Corsair RMx Series RM750x ATX Power Supply 750 Watts
Gold 80 PLUS Certification
$114.99
6 stores
ASUS TUF Gaming 1000W Gold V DC
ASUS TUF Gaming 1000W Gold V DC
Gold 80 PLUS Certification
$166.99
3 stores
Cooler Master MWE V4 850W Power Supply
Cooler Master MWE V4 850W Power Supply
Gold 80 PLUS Certification
$139.99
3 stores
NZXT PA-8G2BW-US 850 Watt 80 Plus Power Supply White
Trending
NZXT PA-8G2BW-US 850 Watt 80 Plus Power Supply White
$124.99
3 stores
Thermaltake Toughpower GF A3 1200W
Thermaltake Toughpower GF A3 1200W
Gold 80 PLUS Certification
$196.99
3 stores
ASUS ROG Strix 1000W Platinum Power Supply
ASUS ROG Strix 1000W Platinum Power Supply
Platinum 80 PLUS Certification
$214.95
4 stores
MSI mag 1250w power supply
-10%
MSI mag 1250w power supply
Gold 80 PLUS Certification
$144.99
$161.99
5 stores
NZXT C850 Gold ATX 3.1 850W
NZXT C850 Gold ATX 3.1 850W
Gold 80 PLUS Certification
$119.99
4 stores
MSI MAG A650BN 650W PLUS
Trending
MSI MAG A650BN 650W PLUS
Bronze 80 PLUS Certification
$64.99
3 stores
Corsair CX750 750W
Corsair CX750 750W
Bronze 80 PLUS Certification
$59.99
4 stores
Corsair RMx Shift Series RM1200x 80 Plus
Trending
Corsair RMx Shift Series RM1200x 80 Plus
Gold 80 PLUS Certification
$159.99
4 stores
MSI MPG A850G 850W
Trending
MSI MPG A850G 850W
Gold 80 PLUS Certification
$129.99
4 stores
Cooler Master MWE Gold 850 V2
Cooler Master MWE Gold 850 V2
Gold 80 PLUS Certification
$94.99
5 stores
MSI Mag A1000GLS PCIe 5.1 Ready Full Modular Compact Gaming Power Supply
MSI Mag A1000GLS PCIe 5.1 Ready Full Modular Compact Gaming Power Supply
Gold 80 PLUS Certification
$150.99
6 stores
Corsair RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply
Corsair RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply
Gold 80 PLUS Certification
$169.99
3 stores
MSI Mag 850W Power Supply MAGA850GLPCIE5II
MSI Mag 850W Power Supply MAGA850GLPCIE5II
$112.99
5 stores
CyberPower CP700PFCRM1U PFC Sinewave UPS 700VA 400W 6 Outlets AVR 1U Rackmount
CyberPower CP700PFCRM1U PFC Sinewave UPS 700VA 400W 6 Outlets AVR 1U Rackmount
$339.96
7 stores
CyberPower CP1500PFCRM1U PFC Sinewave Rackmount UPS
CyberPower CP1500PFCRM1U PFC Sinewave Rackmount UPS
$586.46
7 stores
MSI MAG 750W Power Supply
Trending
MSI MAG 750W Power Supply
$89.99
6 stores
MSI MAG A750GL PCIE 5.0, 80
MSI MAG A750GL PCIE 5.0, 80
Gold 80 PLUS Certification
$89.99
6 stores
ASUS Prime 850W Gold
ASUS Prime 850W Gold
$124.64
1 store
MSI MPG A850GS PCIe5 80+ Gold Full Modular Gaming PSU 12V 2x6 Cable
MSI MPG A850GS PCIe5 80+ Gold Full Modular Gaming PSU 12V 2x6 Cable
Gold 80 PLUS Certification
$99.99
2 stores
Montech BETA 2 850W PSU ATX 3.1 PCIe 5.1
Montech BETA 2 850W PSU ATX 3.1 PCIe 5.1
$69.90
2 stores
Seasonic SFX SFG 300W
Seasonic SFX SFG 300W
Gold 80 PLUS Certification
$102.99
3 stores
MSI MAG A650GLS PCIE5 650W ATX 3.1 Gaming Power Supply
Trending
MSI MAG A650GLS PCIE5 650W ATX 3.1 Gaming Power Supply
$81.99
3 stores
Corsair RMe Series RM850e 80 Plus Gold Fully Modular Low-Noise ATX 3.1 and PCIe 5.1 Power Supply
Trending
Corsair RMe Series RM850e 80 Plus Gold Fully Modular Low-Noise ATX 3.1 and PCIe 5.1 Power Supply
Gold 80 PLUS Certification
$123.99
3 stores
MSI Mag 750W Power Supply MAGA750GNPCIE5
MSI Mag 750W Power Supply MAGA750GNPCIE5
$79.99
3 stores
Corsair SF Series SF750 (2024) 750W
Trending
Corsair SF Series SF750 (2024) 750W
Platinum 80 PLUS Certification
$174.99
3 stores
Super Flower LEADEX VII Platinum PRO 1200W
Trending
Super Flower LEADEX VII Platinum PRO 1200W
Gold 80 PLUS Certification
$199.99
3 stores
Netgear APS1200W-100NES Modular Power Supply Unit
Netgear APS1200W-100NES Modular Power Supply Unit
Platinum 80 PLUS Certification
$449.99
3 stores
MSI MAG A850GL PCIE5 850W
Trending
MSI MAG A850GL PCIE5 850W
Gold 80 PLUS Certification
$109.99
3 stores
Corsair RMx Series RM850x CP-9020180-NA 850
Trending
Corsair RMx Series RM850x CP-9020180-NA 850
Gold 80 PLUS Certification
$139.99
2 stores
MSI Mag A850gl Pcie5 Full Modular Compact Gaming Power Supply
MSI Mag A850gl Pcie5 Full Modular Compact Gaming Power Supply
Gold 80 PLUS Certification
$109.99
3 stores
NZXT Pa-0g3bb-us C1000 Core Fully Modular Atx 3.1 Power Cord
NZXT Pa-0g3bb-us C1000 Core Fully Modular Atx 3.1 Power Cord
Gold 80 PLUS Certification
$114.99
4 stores
MSI Mag A650gn Ii 650w Power Supply
-29%
MSI Mag A650gn Ii 650w Power Supply
Bronze, Gold 80 PLUS Certification
$49.99
$69.99
4 stores
Thermaltake Toughpower TF3 1650W ATX 3.1 Native PCIe 5.1 12V-2X6
Thermaltake Toughpower TF3 1650W ATX 3.1 Native PCIe 5.1 12V-2X6
$449.99
5 stores
PSU UNITS

FAQ

PSU Units are devices that convert electrical power from an outlet into usable power for your computer's components. They ensure your computer runs efficiently and safely. When choosing a PSU, consider wattage, efficiency ratings like 80 Plus, and the number of connectors to match your system’s needs.

PSU Units should match or exceed the total wattage required by all your computer's components. Calculate the combined power draw of your CPU, GPU, and other parts. We recommend adding a 20% buffer to ensure stability and future upgrades.

PSU Units with 80 Plus certification are more energy-efficient, reducing electricity costs and heat output. Levels range from Bronze to Titanium, with higher levels offering better efficiency. Choosing a certified unit can enhance performance and longevity while being environmentally friendly.

PSU Units: 3 things to consider before buying

When selecting PSU Units, it's crucial to consider the wattage required by your system. Calculate the total power consumption of your components, including the CPU, GPU, and other peripherals. For example, a high-performance gaming PC with a powerful graphics card might need a 750W PSU Unit or more, while a basic office setup could suffice with 450W. Remember, it's better to have a bit more wattage than you need to ensure stability and accommodate future upgrades.

Efficiency is key when choosing PSU Units because it affects both energy consumption and heat generation. Check for an 80 PLUS certification, which indicates higher efficiency levels. The ratings range from 80 PLUS Bronze to Titanium. A Gold-rated PSU Unit is often a good balance between cost and efficiency for most users. This ensures that less energy is wasted as heat, leading to lower electricity bills and a cooler operating environment.

The form factor of PSU Units should match your computer case and motherboard requirements. ATX is the most common form factor, but always double-check compatibility. Additionally, consider modular or semi-modular PSU Units if you value cable management and airflow within your case. Modular designs allow you to use only the cables you need, reducing clutter and improving airflow for better cooling performance.

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Power up your build: Find the right PSU unit

Choosing the right power supply unit (PSU) is essential for any computer build. It ensures your system runs smoothly and efficiently. At Klarna, we help you compare options from different brands and retailers, making it easier to find the right PSU unit for your needs. Use our smart filters to sort by price, brand, and specifications. You can also check user reviews and see price history to make the right decision.

Top PSU brands

Several brands offer reliable and high-performance PSU units. Here are some of the popular choices:

  • Seasonic: Known for its efficient and quiet power supplies, Seasonic offers a range of options for different builds.
  • Corsair: A good choice for gamers and professionals, Corsair provides robust and durable PSU units.
  • Thermaltake: Offers a variety of power supplies with excellent cooling solutions.

PSU form factors

When selecting a PSU, consider the form factor that fits your case:

  • ATX: The most common size, suitable for standard and mid-tower cases.
  • SFX: Smaller and ideal for compact builds or mini-ITX cases.

Efficiency ratings

Efficiency ratings are crucial when choosing a PSU. They indicate how well the unit converts power from the outlet to usable power for your components. Look for units with Gold 80 PLUS Certification or Platinum 80 PLUS Certification. These ratings mean higher efficiency and lower energy waste.

Key features to consider

Different builds have different power needs. Here are some key features to keep in mind:

  • Wattage: Ensure the PSU provides enough power for all your components. Consider future upgrades when deciding on wattage.
  • Modular cables: Modular or semi-modular units offer better cable management, reducing clutter and improving airflow.
  • Cooling: Look for units with efficient cooling solutions, such as quiet fans or fanless designs for silent operation.
  • Protection features: Overvoltage, under-voltage, and short-circuit protection are essential for safeguarding your components.

Shop smarter with Klarna

Navigate your way to the best option using our handy tools. Compare prices, apply smart filters, read user reviews, and explore price history — all in one place. You can also earn cashback from hundreds of stores by shopping directly in the app.

Filter and sort

Looking for something specific? Filter by anything from price and brand to material or color to see only the products relevant to you. Since delivery options and shipping costs can differ between stores, you can easily find your perfect match by filtering these too.

Reviews: See what other users think

Curious about a product's performance? User reviews provide excellent insights into features and durability. Ratings make it easier to determine popularity and satisfaction.

Price history: Find real deals

Want to ensure you're scoring a great deal? Check the price history to see how prices have changed over time. By clicking “Choose store,” you can even dive into the price history of a particular shop.

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