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Best power supplies - February 2026

Last Updated - February 23, 2026

1
Best Choice
19% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Corsair
19% Off

CORSAIR RM1000x ATX 3.1 PCIe 5.1 Ready Fully Modular 1000W Power Supply – Low-Noise, Cybenetics Gold Efficiency, Native 12V-2x6 Connector – Black

Corsair

$169.99

$209.99
(19% Off)

More Details
Main highlights
- Native 12V-2x6 Connector: Ensures compatibility with the latest graphics cards with a direct GPU to PSU connection – no adapter necessary.
- Fully Modular: Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the cables your system needs.
- Embossed Cables with Low-Profile Combs: Sleek, ultra-flexible embossed cables look great and make installing and connecting the RMx a breeze.
- Cybenetics Gold-Certified: Rated for up to 91% efficiency, resulting in lower power consumption, less noise, and cooler temperatures.
- ATX 3.1 Compliant: Compliant with the ATX 3.1 power standard from Intel, supporting PCIe 5.1 and resisting transient power spikes.
$169.99
$209.99 (19% Off)
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

msi

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

msi

$119.00

$129.99
(8% Off)

More Details
Main highlights
- Fully modular design
- ATX 3.1 & PCIE 5.1
- 80 PLUS GOLD CERTIFIED
- 10-year limited warranty, guaranteeing long term reliable operation
$119.00
$129.99 (8% Off)
3
Best Value
18% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Thermaltake
18% Off

Thermaltake SMART 600W ATX 12V V2.3/EPS 12V 80 Plus Certified Active PFC Power Supply PS-SPD-0600NPCWUS-W

Thermaltake

$44.99

$54.99
(18% Off)

More Details
Main highlights
- Supports (2) PCI-E 6 plus 2pin Connectors. Active (PFC) Power Factor Correction, MTBF: 100, 000 hours
- Maximum Output Capacity is 600 Watts
- Industry Grade Protections: (OPP) Over Power Protection, (OVP) Over Voltage Protection, (SCP) Short Circuit Protection
- Hold up time is 16 millisecond minimum within 60 percent load. Input frequency range 50 - 60 in Hz
- High-Quality Components
- Equipped with a powerful plus 12V rail, superior performance under all types of system loading
- Delivers 600W Continuous output at plus 40℃. Compliance with Intel ATX 12V 2. 31 and EPS 12V 2. 92 standards
- 80 PLUS Certified – 80% efficiency under typical load. Power good signal is 100-500 millisecond
- 5 Year
$44.99
$54.99 (18% Off)
4
18% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Corsair
18% Off

CORSAIR RM850e ATX 3.1 PCIe 5.1 Ready Fully Modular 850W Power Supply – 12V-2x6 Cable Included, Cybenetics Gold Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black

Corsair

$118.99

$144.99
(18% Off)

More Details
Main highlights
- Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.
- Keeps Quiet: A 120mm rifle bearing fan with a specially calculated fan curve keeps fan noise down, even when operating at full load.
- Intel ATX 3.1 Certified: Compliant with the ATX 3.1 power standard, supporting PCIe 5.1 platform withstands 2x transient power excursions from the GPU.
- Fully Modular PSU: Reliable and efficient, low-noise power supply with fully modular cabling, so you only have to connect the cables your system build needs.
- 105°C-Rated Capacitors: Delivers steady, reliable power and dependable electrical performance.
$118.99
$144.99 (18% Off)
5
11% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Jesverty
11% Off

Jesverty DC Power Supply Variable, 0-30V 0-10A Adjustable Switching DC Regulated Bench Power Supply with High Precision 4-Digit LED Display, 5V/2A USB Port, Coarse and Fine Adjustment SPS-3010

Jesverty

$58.99

$65.99
(11% Off)

More Details
Main highlights
- 🌟Note: The test leads that come with the unit are merely a give-away, we recommend that you prepare test leads with sufficient current capacity if your project needs long-term use of high current.
- 🌟Note: The V and A settings you set are the crossover point at which the mode switches.
- 🌟Note: Power cords and the AC input settings vary depending on the destination for the product at the factory-shipment.
- 5️⃣【Items you get & Customer service】: 1 x SPS Unit, 1 x Power Cord*, 1 set of test leads*, 1 x instruction manual (contact information included). We provide professional technical support. Should you have any problems or questions about your order, please feel free to contact the Jesverty Customer Service via Amazon or email.
- 4️⃣【Reliability and Safety】: The Jesverty SPS series is built with high-quality materials and reliable circuit designs that include multiple protection functions, such as short-circuit protection, over-load protection, grounding terminal, temperature-regulated fan, etc. to ensure performance and extend the lifespan.
- 3️⃣【Compact Body & Lightweight】: The Jesverty SPS series measured only 7.1(D)x3.35(W)x6.1(H)inches and weight of approx. 2.5lbs. It saves space on your workbench and can be moved around without any frustration.
- 2️⃣【Auto C.V. and C.C. Mode】: The Jesverty SPS series can be used as a constant-voltage*(C.V.) power supply and constant-current*(C.C.) power supply even when the load is changed. It switches automatically between CV mode and CC mode according to the changes in the load.
- 1️⃣【4-Digit Display & Power Calculation】: The Jesverty SPS series features a big bright 4-digit LED display that shows measured values of V／A／W that the unit outputs in real-time. The display resolution is up to 0.01V, 0.001A, and 0.1W.
$58.99
$65.99 (11% Off)

Best power supplies - February 2026

CORSAIR RM1000x ATX 3.1 PCIe 5.1 Ready Fully Modular 1000W Power Supply – Low-Noise, Cybenetics Gold Efficiency, Native 12V-2x6 Connector – Black

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

Thermaltake SMART 600W ATX 12V V2.3/EPS 12V 80 Plus Certified Active PFC Power Supply PS-SPD-0600NPCWUS-W

CORSAIR RM850e ATX 3.1 PCIe 5.1 Ready Fully Modular 850W Power Supply – 12V-2x6 Cable Included, Cybenetics Gold Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black

Jesverty DC Power Supply Variable, 0-30V 0-10A Adjustable Switching DC Regulated Bench Power Supply with High Precision 4-Digit LED Display, 5V/2A USB Port, Coarse and Fine Adjustment SPS-3010

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