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Yoidesu Computer PC Power Supply Alternatives: 6 Similar Picks Compared

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The yoidesu computer PC power supply alternatives list helps you find better options if the Yoidesu ATX Power Supply Tester does not meet your needs. This original tool is a simple diagnostic device that checks voltage on all wires via LED indicators. It is lightweight at 3.17 ounces and plugs directly into ATX connectors for quick troubleshooting. You might want something else if you need actual power delivery rather than just testing. You may also require different form factors, higher wattage, or specific efficiency ratings for your build.

We selected these alternatives because their specifications overlap with the original product’s focus on ATX compatibility. The list includes fully modular units with ATX 3.1 and PCIe 5.1 support for modern GPUs. You can choose from 750W to 1000W options depending on your system’s power requirements. Some models offer white aesthetics for clean builds, while others prioritize high wattage for demanding hardware. Each pick provides distinct specs for efficiency, size, and connector types. This guide compares these features to help you find the right power solution.

Alternatives to Yoidesu Tester

MSI MAG 850W Fully Modular ATX Power Supply

The MSI MAG 850W is a complete power supply, not a diagnostic tool. It delivers 850W of power with an 80 Plus Gold efficiency rating and fully modular cables. Unlike the Yoidesu tester, which only checks voltage, this unit powers your entire system. It supports ATX 3.1 and includes a 12V-2x6 connector for modern GPUs. The 10-year warranty offers long-term security. You should choose this if you need to build or upgrade a gaming PC rather than troubleshoot an existing unit. It is larger and heavier, fitting mid-to-large cases.

Corsair RM850x Shift 850W White ATX Power Supply

The Corsair RM850x Shift provides 850W of power with an 80 Plus Gold rating and fully modular design. It uses ATX 3.1 standards and PCIe 5.1 support for high-end graphics cards. The white finish suits aesthetic-focused builds. This is a functional power source, unlike the Yoidesu tester which is a passive diagnostic device. It weighs 3.75 pounds and measures 5.91 by 3.39 by 6.3 inches. Pick this if you are building a new system with modern components. It offers reliable power delivery and clean cable management for users upgrading to powerful GPUs.

Corsair RM1000x 1000W ATX 3.1 PSU

The Corsair RM1000x 1000W is a high-wattage power supply for demanding builds. It features ATX 3.1 support and a 12V-2x6 connector for next-gen graphics cards. This unit powers your computer, whereas the Yoidesu tester only verifies voltage levels. It is fully modular and black in color. The unit weighs 6.88 pounds and is compact at 3.39 by 5.91 by 2.3 inches. Choose this if you need robust power for high-end components. It is ideal for users upgrading to PCIe 5.1 graphics cards who require stable power delivery.

Corsair RM1000x Shift 1000W Power Supply

The Corsair RM1000x Shift 1000W supports ATX 3.0 standards with an 80 Plus Gold efficiency rating. It is fully modular and black. This is a functional power supply, not a diagnostic tool like the Yoidesu tester. It weighs 4.2 pounds and measures 5.91 by 5.08 by 7.09 inches. Select this if you need high wattage for power-hungry graphics cards. It fits builds requiring ATX 3.0 standards. The unit provides reliable power delivery for modern systems. It is a practical choice for users building high-performance PCs with significant power demands.

Corsair RM850x 850W Fully Modular ATX 3.1 PSU

The Corsair RM850x 850W Fully Modular ATX 3.1 PSU offers solid power for current and next-gen graphics cards. It features ATX 3.1 support and a 12V-2x6 connector. This unit powers your system, unlike the Yoidesu tester which diagnoses voltage issues. It is black, fully modular, and weighs 3.9 pounds. The compact size measures 3.39 by 5.91 by 2.3 inches. Choose this if you need reliable, low-noise performance for modern builds. It is suitable for builders who want efficient power delivery and compatibility with the latest GPU standards.

Corsair RM750x Shift White 750W ATX Power Supply

The Corsair RM750x Shift White 750W provides ATX 3.1 support with an 80 Plus Gold efficiency rating. It is fully modular and features side-mounted connectors. This is a power supply, not a diagnostic tool like the Yoidesu tester. It weighs 3.75 pounds and measures 5.91 by 3.39 by 6.3 inches. Pick this if you need quiet operation and modern cable management. It suits users building ATX 3.1 systems with side-mounted connector needs. The white finish adds aesthetic value. It offers practical power delivery for builds requiring moderate wattage and clean aesthetics.

Quick picks

#ProductBest forPrice
1 Yoidesu ATX Power Supply Tester Best overall Verifying ATX power supply output Check price of Yoidesu ATX Power Supply Tester on Amazon
2 MSI MAG 850W Fully Modular ATX Power Supply Best budget Modern gaming builds with large cases Check price of MSI MAG 850W Fully Modular ATX Power Supply on Amazon
3 Corsair RM850x Shift 850W White ATX Power Supply Also great Modern GPUs with white aesthetics Check price of Corsair RM850x Shift 850W White ATX Power Supply on Amazon
4 Corsair RM1000x 1000W ATX 3.1 PSU Best premium High-wattage ATX 3.1 builds Check price of Corsair RM1000x 1000W ATX 3.1 PSU on Amazon
5 Corsair RM1000x Shift 1000W Power Supply Best atx 3.0 high-wattage ATX 3.0 builds Check price of Corsair RM1000x Shift 1000W Power Supply on Amazon
6 Corsair RM850x 850W Fully Modular ATX 3.1 PSU Also great 850W ATX 3.1 builds Check price of Corsair RM850x 850W Fully Modular ATX 3.1 PSU on Amazon
7 Corsair RM750x Shift White 750W ATX Power Supply Best 750w ATX 3.1 builds with side-mounted connector needs Check price of Corsair RM750x Shift White 750W ATX Power Supply on Amazon

Our 7 picks

Best overall

Yoidesu ATX Power Supply Tester

Best for: Verifying ATX power supply output

Form Factor
ATX
Weight
3.17 ounces

View on Amazon: Yoidesu ATX Power Supply Tester

This Yoidesu unit is a dedicated ATX power supply tester, not a power supply itself. It connects directly to the ATX connector to check voltage on all wires. LED indicators show which pins are powered, helping you verify if the output is normal. Weighing 3.17 ounces, it is a lightweight tool for technicians to quickly diagnose power problems.

Pros

  • Checks voltage on all ATX wires
  • LED indicators show powered pins
  • Lightweight at 3.17 ounces
  • Simple plug-in operation

Cons

  • Does not provide power to components
  • No digital voltage readout values
  • Limited to ATX form factor

Good fit if

  • You need to verify ATX power output
  • You are a computer technician
  • You want a quick diagnostic tool

Skip if

  • You need a power supply unit
  • You require digital voltage readings
  • You are building a PC

Verdict: Yoidesu ATX Power Supply Tester is a simple diagnostic tool for verifying ATX power output. It suits technicians who need to quickly check voltage stability without complex equipment.

Best budget

MSI MAG 850W Fully Modular ATX Power Supply

Best for: Modern gaming builds with large cases

Wattage
850W
Efficiency Rating
80+ Gold
Modularity
Fully Modular
ATX Version
ATX 3.1
PCIe Connector Type
12V-2x6
Warranty
10 Year

View on Amazon: MSI MAG 850W Fully Modular ATX Power Supply

This 850W fully modular power supply meets ATX 3.1 and PCIe 5.1 standards. It carries an 80 Plus Gold efficiency rating and uses the 12V-2x6 connector for modern GPUs. The unit measures 12 by 8.75 by 4.92 inches. You get a 10-year warranty for long-term reliability. It is designed for gaming builds that need stable power delivery.

Pros

  • 850W output capacity
  • ATX 3.1 and PCIe 5.1 ready
  • 80 Plus Gold efficiency
  • 10-year warranty
  • Fully modular design

Cons

  • 12-inch length may not fit small cases
  • 8.75-inch width is wider than standard ATX
  • Only supports one PCIe 5.1 GPU connection

Good fit if

  • You need ATX 3.1 compatibility for new graphics cards
  • You want an 80 Plus Gold efficiency rating
  • You prefer a 10-year warranty period

Skip if

  • You have a small form factor case with limited depth
  • You require dual PCIe 5.1 connectors for multiple GPUs
  • You need an ATX 3.0 unit instead of 3.1

Verdict: MSI MAG A850GL 850W ATX 3.1 fits gamers building mid-to-large cases who need modern PCIe 5.1 support and long warranty coverage.

Also great

Corsair RM850x Shift 850W White ATX Power Supply

Best for: Modern GPUs with white aesthetics

Wattage
850W
Efficiency Rating
80 Plus Gold
Modularity
Fully Modular
ATX Version
ATX 3.1
PCIe Connector Type
PCIe 5.1
Dimensions
6.3 × 5.91 × 3.39 inches

View on Amazon: Corsair RM850x Shift 850W White ATX Power Supply

This Corsair unit delivers 850W of power with an 80 Plus Gold efficiency rating. It supports the latest ATX 3.1 standard and PCIe 5.1 connectors for modern GPUs. The fully modular design lets you connect only the cables you need. Its compact dimensions fit into smaller cases, while the white finish suits aesthetic builds. It runs silently at low loads thanks to the zero RPM mode.

Pros

  • 80 Plus Gold efficiency rating
  • ATX 3.1 standard support
  • PCIe 5.1 connector compatibility
  • Fully modular cable design
  • Zero RPM fan mode

Cons

  • White color limits dark build matching
  • Heavier than some competitors at 3.75 pounds
  • Higher wattage may be overkill for low-power systems

Good fit if

  • You need PCIe 5.1 support for new graphics cards
  • You want a white power supply for a themed build
  • You require ATX 3.1 compliance for future upgrades

Skip if

  • You prefer a black power supply for a dark case
  • You only need 500W or less for your components
  • You are building a compact ITX system with strict weight limits

Verdict: Corsair RM850x Shift ATX 3.1 is a solid choice for builders needing modern PCIe 5.1 support and efficient power delivery in a white finish. It suits users upgrading to high-end GPUs who value clean cable management.

Best premium

Corsair RM1000x 1000W ATX 3.1 PSU

Best for: High-wattage ATX 3.1 builds

Wattage
1000W
Efficiency Rating
Cybenetics Gold
Modularity
Fully Modular
ATX Version
ATX 3.1
PCIe Connector Type
12V-2x6
PCIe Version
PCIe 5.1

View on Amazon: Corsair RM1000x 1000W ATX 3.1 PSU

The Corsair RM1000x delivers 1000W of fully modular power with ATX 3.1 compliance. It supports PCIe 5.1 via the 12V-2x6 connector for modern GPUs. This unit features Cybenetics Gold efficiency and low-noise operation. It measures 6.88 pounds and fits standard ATX cases. It suits builders needing high wattage and future-proof connectivity.

Pros

  • 1000W output capacity
  • Fully modular cable design
  • ATX 3.1 compliance
  • PCIe 5.1 support with 12V-2x6 connector
  • Cybenetics Gold efficiency rating

Cons

  • Heavier at 6.88 pounds
  • Larger dimensions than compact SFX units
  • No mention of zero-RPM fan mode

Good fit if

  • You need 1000W for high-end GPUs
  • You want ATX 3.1 native support
  • You prefer fully modular cables

Skip if

  • You have a small form factor case
  • You only need under 750W
  • You prioritize ultra-compact dimensions

Verdict: Corsair RM1000x 1000W ATX 3.1 provides robust power for demanding builds. It is ideal for users upgrading to PCIe 5.1 graphics cards.

Best atx 3.0

Corsair RM1000x Shift 1000W Power Supply

Best for: high-wattage ATX 3.0 builds

Wattage
1000W
Efficiency Rating
80 Plus Gold
Modularity
Fully Modular
ATX Version
ATX 3.0
Dimensions
7.09 × 5.91 × 5.08 inches
Weight
4.2 pounds

View on Amazon: Corsair RM1000x Shift 1000W Power Supply

This 1000W power supply delivers high output with ATX 3.0 and PCIe 5.0 compliance. It features a fully modular design and 80 Plus Gold efficiency. The unit measures 7.09 by 5.91 by 5.08 inches and weighs 4.2 pounds. You should choose this model if you need robust power for high-end components and prefer a compact, fully modular build.

Pros

  • 1000W wattage output
  • ATX 3.0 compliance
  • Fully modular cables
  • 80 Plus Gold efficiency

Cons

  • Heavier at 4.2 pounds
  • Larger footprint than 850W models
  • Black color only

Good fit if

  • You need 1000W for high-end GPUs
  • You want ATX 3.0 compliance
  • You prefer fully modular cables

Skip if

  • You need less than 1000W
  • You require 80 Plus Platinum efficiency
  • You want a smaller form factor

Verdict: Corsair RM1000x Shift 1000W ATX 3.0 suits users needing high wattage and modern connector support. It fits builds with power-hungry graphics cards that require ATX 3.0 standards.

Also great

Corsair RM850x 850W Fully Modular ATX 3.1 PSU

Best for: 850W ATX 3.1 builds

Wattage
850W
Efficiency Rating
Cybenetics Gold
Modularity
Fully Modular
ATX Version
ATX 3.1
PCIe Connector Type
12V-2x6
PCIe Version
PCIe 5.1

View on Amazon: Corsair RM850x 850W Fully Modular ATX 3.1 PSU

The Corsair RM850x is a fully modular power supply with 850W capacity. It supports ATX 3.1 and PCIe 5.1 standards. The unit features a 12V-2x6 connector for modern GPUs. It holds Cybenetics Gold efficiency certification. The compact dimensions help fit into smaller cases. You should choose this if you need reliable power for high-end graphics cards. It suits builders who want low noise and future-proof connectivity.

Pros

  • 850W output capacity
  • Fully modular cable design
  • ATX 3.1 compliant
  • PCIe 5.1 support
  • Cybenetics Gold efficiency

Cons

  • Heavier at 3.9 pounds
  • Larger width than shift models
  • No included display or app

Good fit if

  • You need 850W for high-end GPUs
  • You want ATX 3.1 compatibility
  • You prefer fully modular cables

Skip if

  • You need more than 850W
  • You require ATX 3.0 only
  • You want a non-modular unit

Verdict: Corsair RM850x Fully Modular ATX 3.1 offers solid 850W power with modern PCIe 5.1 support. It fits builders who need reliable, low-noise performance for current and next-gen graphics cards.

Best 750w

Corsair RM750x Shift White 750W ATX Power Supply

Best for: ATX 3.1 builds with side-mounted connector needs

Wattage
750W
Efficiency Rating
80 Plus Gold
Modularity
Fully Modular
ATX Version
ATX 3.1
Fan Size
140mm
PCIe Version
PCIe 5.1

View on Amazon: Corsair RM750x Shift White 750W ATX Power Supply

The Corsair RM750x Shift is a 750W fully modular power supply certified for ATX 3.1 and PCIe 5.1. It features side-mounted modular connectors for easier cable management and uses a 140mm fan for quiet operation. This unit is designed for builders who need reliable power delivery with clean aesthetics. It suits those prioritizing modern standards and accessible connections in their PC builds.

Pros

  • ATX 3.1 certified for modern platforms
  • Side-mounted modular connections for easy access
  • 140mm fan for low noise operation
  • Fully modular with micro-fit connectors

Cons

  • 750W output is lower than the 850W and 1000W options on this list
  • No included LCD display for real-time monitoring
  • Heavier at 3.75 pounds compared to lighter competitors

Good fit if

  • You need ATX 3.1 compatibility for new GPUs
  • You want side-mounted connectors for cleaner builds
  • You prefer a 140mm fan for quieter operation

Skip if

  • You require more than 750W of power
  • You need an included digital display
  • You are building a low-power system under 500W

Verdict: Corsair RM750x Shift 750W ATX 3.1 is a practical choice for builders needing side-mounted connectors and ATX 3.1 support. It fits users who value quiet operation and modern cable management standards.

Specifications side by side

Spec Yoidesu ATX Power Supply Tester MSI MAG 850W Fully Modular ATX Power Supply Corsair RM850x Shift 850W White ATX Power Supply Corsair RM1000x 1000W ATX 3.1 PSU Corsair RM1000x Shift 1000W Power Supply Corsair RM850x 850W Fully Modular ATX 3.1 PSU Corsair RM750x Shift White 750W ATX Power Supply
Wattage not specified 850W 850W 1000W 1000W 850W 750W
Efficiency Rating not specified 80+ Gold 80 Plus Gold Cybenetics Gold 80 Plus Gold Cybenetics Gold 80 Plus Gold
Modularity not specified Fully Modular Fully Modular Fully Modular Fully Modular Fully Modular Fully Modular
ATX Version not specified ATX 3.1 ATX 3.1 ATX 3.1 ATX 3.0 ATX 3.1 ATX 3.1
PCIe Connector Type not specified 12V-2x6 PCIe 5.1 12V-2x6 not specified 12V-2x6 not specified
Fan Size not specified not specified not specified not specified not specified not specified 140mm
Warranty not specified 10 Year not specified not specified not specified not specified not specified
Form Factor ATX ATX ATX ATX ATX ATX ATX
PCIe Version not specified PCIe 5.1 PCIe 5.1 PCIe 5.1 not specified PCIe 5.1 PCIe 5.1
Recommended Use not specified Gaming not specified not specified not specified not specified not specified
Connector not specified 12V-2x6 Connector not specified 12V-2x6 Connector not specified 12V-2x6 Connector not specified
Size not specified 850W (PCIE 5) 850W 1000W 1000W 850W 750W
Weight 3.17 ounces not specified 3.75 pounds 6.88 pounds 4.2 pounds 3.9 pounds 3.75 pounds
Dimensions not specified 12 × 8.75 × 4.92 inches 6.3 × 5.91 × 3.39 inches 2.3 × 3.39 × 5.91 inches 7.09 × 5.91 × 5.08 inches 2.3 × 3.39 × 5.91 inches 6.3 × 5.91 × 3.39 inches
Color default not specified White Black Black Black White
Model not specified not specified not specified not specified not specified not specified CP-9020273-NA

Frequently asked questions

What is the difference between the Yoidesu tester and a real power supply?

The Yoidesu unit is a diagnostic tool that verifies voltage output using LED indicators. It does not provide power to your components. In contrast, the alternatives listed are actual power supplies that deliver electricity to your PC. They range from 750W to 1000W and support modern ATX standards.

Which PSU is best for a large gaming case?

The MSI MAG 850W fits mid-to-large cases well. It measures 12 inches in length, offering ample space for cable management. This unit supports ATX 3.1 and PCIe 5.1 standards, making it suitable for modern gaming builds that require high power delivery and future-proof connectivity options.

Does the Corsair RM850x Shift support side-mounted connectors?

Yes, the Corsair RM750x Shift features side-mounted connectors for cleaner cable management. It also supports ATX 3.1 and PCIe 5.1 standards. This design helps users maintain a tidy build while ensuring their high-end graphics cards receive stable power through the modern 12V-2x6 connector interface.

Can I use these power supplies with new graphics cards?

Most listed units support PCIe 5.1 and include the 12V-2x6 connector. This compatibility ensures they work with the latest high-end graphics cards. The MSI MAG, Corsair RM850x Shift, and Corsair RM1000x all meet these modern standards for reliable power delivery to demanding GPU components.

What is the smallest Corsair power supply on this list?

The Corsair RM750x Shift is the smallest wattage option at 750W. It measures 6.3 inches in length and 3.39 inches in height. This compact form factor fits well in smaller builds while still providing fully modular cables and support for ATX 3.1 specifications.

Is the Corsair RM1000x Shift an ATX 3.0 or 3.1 model?

The Corsair RM1000x Shift listed here is an ATX 3.0 model. It delivers 1000W of power and is fully modular. This version suits users needing high wattage for power-hungry graphics cards that rely on ATX 3.0 standards rather than the newer 3.1 specification.

Do any of these units have a white finish?

Two Corsair models feature a white finish: the RM850x Shift and the RM750x Shift. Both are fully modular and support ATX 3.1 standards. These white units help builders maintain a clean aesthetic in their cases while providing efficient power delivery for modern components.