Best Power Supply Tester

10 Best Power Supply Tester 2021 – Reviews & Guide

The power supply is the foundation of a modern PC – without one, you won’t be able to run anything. From the CPU to the RAM, GPUs, and even other peripherals, every component needs power from your PSU.

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More than that, though, it has the job of providing clean power. To do this, a top-quality power supply has to employ a solid build quality (well-shielded wires are a must) and use quality components (namely capacitors and transformers).

1. Corsair RM750x (2021)

Best Power Supply Tester
Brand‎Corsair
Manufacturer‎Corsair
Colour‎Gold
Form Factor‎ATX12V
Item Height‎3.39 Inches
Item Width‎5.91 Inches
Product Dimensions‎16 x 15.01 x 8.61 cm; 1.66 Kilograms
Item model number‎CP-9020179-NA
Voltage‎100240 Volts
Wattage‎750 Watts
Are Batteries Included‎No
Included Components‎ATX CABLE 24-PIN (20+4), FLOPPY DRIVE ADAPTER (4-PIN), 2 PERIPHERAL CABLE (4-PIN), 3 SATA CABLE (3 SATA), RM750x 80 PLUS Gold Fully Modular ATX Power Supply, 2 PCIe CABLE 8-PIN (6+2), 2 EPS/ATX12V CABLE 8-PIN (4+4)
Manufacturer‎Corsair
Item Weight‎1 kg 660 g

Keep your PC up and running with the Corsair RMx Series 750W 80 PLUS Gold Certified Fully Modular PSU. Featuring a fully modular design, with only the 24-pin main power connector fixed to the chassis, it offers great flexibility.

The PSU is fed by a series of dedicated DC lines and a single +12V rail can output up to 83.3 A. This facilitates the usage of high-performance components without needing multiple power supplies.

A single +12V rail also means that there is no power – ground interconnection, making impedance and signal noise virtually nonexistent.

2. Seasonic Prime Titanium TX-1000

Best Power Supply Tester
Brand‎Corsair
Manufacturer‎Corsair
Model‎CP-9020211-UK
Model Name‎CV
Product Dimensions‎15 x 12.5 x 8.6 cm; 2.34 Kilograms
Item model number‎CP-9020211-UK
Mounting Hardware‎CV Series ATX Power Supply, AC Power Cord, Mounting Screws, Warranty Documentation
Audio Wattage‎650 Watts
Wattage‎650 Watts
Batteries Required‎No
Manufacturer‎Corsair
Country of Origin‎China
Item Weight‎2 kg 340 g

Seasonic is proud to offer the Prime series of power supplies.

These units are 80 PLUS® Bronze certified, which means that they are capable of delivering up to 88% efficiency, making them a better choice for the environment as well as providing significant savings to you!

With low thermal resistance and special attention paid to electrical noise, this extremely reliable power supply utilizes Japanese capacitors and transformers.

3. Corsair CX450

Best Power Supply Tester
Brand‎Corsair
Manufacturer‎Corsair (Hong Kong) Limited
Model‎CP-9020209-IN
Product Dimensions‎15 x 12.5 x 8.6 cm; 2.19 Kilograms
Item model number‎CP-9020209-IN
Audio Wattage‎450 Watts
Wattage‎450 Watts
Batteries Included‎No
Batteries Required‎No
Form Factor‎ATX
Manufacturer‎Corsair (Hong Kong) Limited
Item Weight‎2 kg 190 g

With the 80 PLUS Bronze certified Corsair CX450 power supply unit, you can do more work for longer periods of time while avoiding circuit overload.

The simplistic design is both impressive and efficient, featuring a 120mm thermally controlled low-noise cooling fan that only spins at high speed when your power supply needs it to.

This means quieter operation at lower loads and a lifespan of up to 20% above competitors.

4.EVGA SuperNOVA 550 G3

Best Power Supply Tester
Brand‎EVGA
Series‎220-G3-0550-Y1
Item model number‎220-G3-0550-Y1
Item Weight‎4 pounds
Product Dimensions‎5.91 x 5.91 x 3.35 inches
Item Dimensions LxWxH‎5.91 x 5.91 x 3.35 inches
Batteries‎1 Unknown batteries required.
Manufacturer‎EVGA
ASIN‎B01LWTS2UL
Country of Origin‎China
Is Discontinued By Manufacturer‎No
Date First Available‎October 20, 2016

The EVGA SuperNOVA 550 G3 power supply is an 80 PLUS Gold certified power supply that features a non-modular design.

It has 28AWG wires, 60A continuous combined total +12V, and is quite efficient with an operation of 90% (115VAC) / 92% (220VAC~240VAC).

This power supply is also semi-modular, with all the wires used in the ATX/EPS connectors hardwired into the unit, but the peripheral and 4+4 Pin CPU/PCIe cables are detachable for your convenience.

5.EVGA SuperNOVA 120-GP-0650-X1,

Best Power Supply Tester
Brand‎EVGA
Item model number‎120-GP-0650-X1
Item Weight‎7 pounds
Product Dimensions‎6.69 x 5.91 x 3.35 inches
Item Dimensions LxWxH‎6.69 x 5.91 x 3.35 inches
Manufacturer‎EVGA
ASIN‎B0797CDK7J
Country of Origin‎China
Is Discontinued By Manufacturer‎No
Date First Available‎February 9, 2018

The EVGA SuperNOVA 650 G+ power supply is designed with enthusiast needs in mind. The PSU features a powerful single +12V rail and heavy-duty protection features for reliability and safety including:

OVP (Over Voltage Protection), UVP (Under Voltage Protection), OCP (Over Current Protection), OPP (Over Power Protection), SCP (Short Circuit Protection), and OTP (Over Temperature Protection). EVGA’s SuperNOVA Series are guaranteed to deliver clean, reliable, continuous power.

6.EVGA Supernova 650 GT

Best Power Supply Tester
Brand‎EVGA
Item model number‎220-GT-0650-Y1
Item Weight‎6.05 pounds
Product Dimensions‎5.9 x 5.9 x 3.4 inches
Item Dimensions LxWxH‎5.9 x 5.9 x 3.4 inches
Manufacturer‎EVGA
ASIN‎B088SSX883
Country of Origin‎Taiwan
Date First Available‎June 9, 2020

The EVGA SuperNOVA 650 P2 power supply delivers an incredible value with 80 PLUS Gold rated efficiency. Designed with enthusiast needs in mind, the EVGA Power Supply delivers the clean and stable power you expect from our high-end products at a price point that is unrivaled.

With 100% Japanese capacitors, these PSUs are more than capable of handling the most extreme environments, while the Fluid Dynamic Bearing fan will keep it cool – all wrapped up in a sleek black package that will look great in your case.

7.EVGA 220-G5-0650-X1 Super Nova 650 G5, 

Best Power Supply Tester
Brand‎EVGA
Series‎SuperNOVA G5
Item model number‎650 G5
Item Weight‎6 pounds
Product Dimensions‎5.9 x 5.9 x 3.4 inches
Item Dimensions LxWxH‎5.9 x 5.9 x 3.4 inches
Voltage‎120 Volts
Manufacturer‎EVGA
ASIN‎B07WDLTKNM
Country of Origin‎Taiwan
Date First Available‎August 22, 2019

With a high efficient gold-rated power supply that is rated at 90% or higher, you can better support larger, more powerful graphics cards while staying green.

A non-modular power supply still works as intended when only a few connections are used, but why pay for what you don’t need? EVGA has innovated with the first power supply to come with a fully modular design.

The EVGA SuperNOVA 650 G1+, 80+ Gold certified power supply also features an ECO Thermal Control Fan system which reduces fan noise and increases efficiency by 30%.

8.EVGA SuperNOVA 750 G+

Best Power Supply Tester
Brand‎EVGA
Series‎120-GP-0750-X1
Item model number‎120-GP-0750-X1
Item Weight‎7 pounds
Product Dimensions‎6.7 x 5.9 x 3.4 inches
Item Dimensions LxWxH‎6.7 x 5.9 x 3.4 inches
Manufacturer‎EVGA
ASIN‎B0797HL9Z4
Country of Origin‎China
Is Discontinued By Manufacturer‎No
Date First Available‎February 9, 2018

The EVGA SuperNOVA 750 G+ power supply is here. Based on the award winning G2 series Power Supply, this unit features 80 PLUS Gold rated efficiency, and clean, continuous power to every component.

The new EVGA ECO mode allows for wattage to be adjusted down until it hits the EU requirements. Full modular cables help You get the most out of your PSU, and EVGA’s unparalleled customer support is second to none.

9.EVGA 210-GQ-0750-V1 750 GQ, 80+

Best Power Supply Tester
Brand‎EVGA
Item model number‎210-GQ-0750-V1
Item Weight‎6.82 pounds
Product Dimensions‎6.5 x 5.91 x 3.35 inches
Item Dimensions LxWxH‎6.5 x 5.91 x 3.35 inches
Color‎Black
Power Source‎Corded-electric
Voltage‎230 Volts
Manufacturer‎EVGA
ASIN‎B017HA3RGE
Country of Origin‎China
Is Discontinued By Manufacturer‎No
Date First Available‎October 29, 2015

The EVGA 750 GQ is an 80 Plus Gold certified power supply that features a single powerful 12V rail, heavy-duty protections, and large-diameter, thermally controlled fan for silent operation.

It supports four 4-pin (P4) connectors plus one 6-pin PCIe connector, perfect for high-performance PC systems. It also has a 135mm Fluid Dynamic Bearing fan, which generates less noise and allows for increased airflow while spinning slower.

10.Segotep 1250W Power Supply Fully Modular 80+ Gold PSU

Best Power Supply Tester
Product Dimensions14.37 x 5.31 x 8.39 inches
Item Weight8.54 pounds
ManufacturerSegotep
ASINB08SLP6GPG
Customer Reviews4.5 out of 5 stars    614 ratings
4.5 out of 5 stars
Best Sellers Rank#133 in Computer Power Supplies
Date First AvailableJanuary 11, 2021

Are you looking for a reliable computer power supply? The Segotep power supply features an 80+ Gold certified, fully modular design and premium electrical components, which help to deliver a stable flow of power.

This can be especially important when running demanding PC games. The integrated heavy-duty protection provides maximum safety to your critical system components that are used to control the power.

By providing this protection, your computer will work longer and more efficiently, minimizing the need for repairs and replacements.