Looking Beyond the Aifeier ET 2PCS Black 24-Pin ATX? 6 Alternatives Worth a Look
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The Aifeier ET 2PCS Black 24-Pin ATX is a simple bridge tool designed to test power supplies without a motherboard. If you are looking for aifeier et 2pcs black 24 pin atx alternatives, you might need a complete unit instead of a tester. This jumper connects to the 24-pin connector to start the PSU independently. It is small, measuring 2.05 inches in length, and uses durable PVC material. The tool has no exposed wires, making it safe for bench testing.
However, you may want a full power supply for actual builds. The alternatives in this list overlap with the original in form factor, as they are all ATX units. These options provide actual wattage and efficiency ratings rather than just a testing function. You might choose a fully modular design for easier cable management. Some models support newer ATX 3.1 standards and PCIe 5.1 connectors. Others offer higher wattage for demanding workstations. This selection covers various sizes and features to suit different needs.
Our top pick: Aifeier ET 2-Piece ATX Jumper.
Alternatives to the Aifeier Jumper
MSI MAG 850W Fully Modular ATX Power Supply
The MSI MAG 850W is a complete power supply, not a testing tool. It delivers 850W of power with 80 Plus Gold efficiency for gaming builds. You get full modularity and ATX 3.1 support with a 12V-2x6 connector for modern GPUs. It includes a 10-year warranty. This unit replaces the need for a jumper by providing actual power to components. It is larger and heavier than the small Aifeier bridge. Choose this if you need to build or upgrade a system rather than just test a PSU.
Corsair RM850x Shift 850W White ATX Power Supply
The Corsair RM850x Shift offers 850W of power with ATX 3.1 standards. It features full modularity and 80 Plus Gold efficiency for reliable performance. The white color and compact side-mounted connector design suit modern high-end builds. It weighs 3.75 pounds and measures 5.91 by 3.39 by 6.3 inches. Unlike the Aifeier jumper, this is a functional power source for your entire PC. It provides stable voltage for all components. Pick this option if you require a robust, efficient power supply for a new gaming rig.
Corsair RM1000x 1000W ATX 3.1 PSU
The Corsair RM1000x provides 1000W of power with ATX 3.1 and PCIe 5.1 support. It is fully modular and includes a 12V-2x6 connector for high-end graphics cards. The black unit measures 3.39 by 5.91 by 2.3 inches and weighs 6.88 pounds. It is designed for demanding gaming and workstation builds. This is a complete power solution, not a simple bridge tool. It ensures stable power delivery under heavy loads. Select this if you need maximum wattage and modern connector support for your system.
Corsair RM1000x Shift 1000W Power Supply
The Corsair RM1000x Shift delivers 1000W with ATX 3.0 standards. It is fully modular with 80 Plus Gold efficiency. The black unit measures 5.91 by 5.08 by 7.09 inches and weighs 4.2 pounds. It supports modern GPUs with high power requirements. This power supply replaces the Aifeier jumper by providing actual energy to your hardware. It offers reliable performance for high-end gaming PCs. Choose this if you need a powerful, efficient unit with a compact form factor for next-generation components.
Corsair RM850x 850W Fully Modular ATX 3.1 PSU
The Corsair RM850x is an 850W fully modular power supply with ATX 3.1 support. It includes a 12V-2x6 connector for PCIe 5.1 GPUs. The black unit measures 3.39 by 5.91 by 2.3 inches and weighs 3.9 pounds. It provides reliable power for modern gaming systems. Unlike the Aifeier bridge, this is a complete power source. It ensures stable voltage for all connected components. Pick this option if you are upgrading to a new GPU and need a compatible, efficient power supply for your build.
Corsair RM750x Shift White 750W ATX Power Supply
The Corsair RM750x Shift provides 750W with ATX 3.1 and PCIe 5.1 support. It is fully modular with 80 Plus Gold efficiency. The white unit measures 5.91 by 3.39 by 6.3 inches and weighs 3.75 pounds. It features side-mounted connectors for easier cable management. This is a functional power supply, not a testing tool. It delivers stable power to your entire system. Choose this if you want a mid-range wattage option with modern standards and clean aesthetics for your gaming PC.
Quick picks
Our 7 picks
Aifeier ET 2-Piece ATX Jumper
Best for: bench testing PSU functionality
- Form Factor
- ATX
- Dimensions
- 2.05 × 0.95 × 0.41 inches
- Weight
- 0.64 ounces
View on Amazon: Aifeier ET 2-Piece ATX Jumper Affiliate link
The Aifeier ET 2-Piece ATX Jumper is a small tool for testing power supplies without a motherboard. It connects to 20/24-pin ATX connectors to start the unit. The black PVC shell resists heat and corrosion. Its compact size measures 2.05 inches in length. You can use it to check PSU function or test components like fans and drives independently.
Pros
- Compatible with 20 and 24-pin ATX connectors
- Exposed-free PVC shell for safe operation
- Compact dimensions of 2.05 x 0.95 x 0.41 inches
- Lightweight at 0.64 ounces
Cons
- Does not provide voltage stabilization protection for connected devices
- Only tests the power supply, not the full system
- Requires careful handling to avoid connecting other cables
Good fit if
- You need to verify if a power supply turns on
- You are testing individual components like fans or drives
- You want a compact tool for bench testing
Skip if
- You need to test a complete computer build
- You require voltage regulation for connected hardware
- You are looking for a modular power supply unit
Verdict: Aifeier ET 2-Piece ATX Jumper is a simple bridge tool for isolating power supply tests. It fits technicians who need to verify PSU function without connecting a motherboard.
MSI MAG 850W Fully Modular ATX Power Supply
Best for: high-end gaming builds
- 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 Affiliate link
The MSI MAG A850GL is a fully modular 850W power supply built for modern gaming systems. It carries an 80 Plus Gold efficiency rating and supports ATX 3.1 and PCIe 5.1 standards. The unit features a 12V-2x6 connector for new graphics cards. You get a 10-year warranty for long-term reliability. Its compact dimensions help fit into smaller cases.
Pros
- 850W output capacity
- Fully modular cable design
- 80 Plus Gold efficiency
- ATX 3.1 and PCIe 5.1 ready
- 10-year warranty coverage
Cons
- Physical dimensions of 12 inches may not fit small form factor cases
- No mention of fan speed control settings
- Limited to standard ATX form factor mounting
Good fit if
- You need a fully modular unit for high-end gaming builds
- You want 80 Plus Gold efficiency for better power savings
- You require PCIe 5.1 support for modern graphics cards
Skip if
- You are building a compact PC with strict space limits
- You need a budget option under typical mid-range pricing
- You prefer a semi-modular design for simpler cable management
Verdict: MSI MAG A850GL 850W Gold PSU delivers solid performance for gamers who need reliable power and modern connector support. It suits users who prioritize efficiency and long-term warranty protection over compact size.
Corsair RM850x Shift 850W White ATX Power Supply
Best for: Modern high-end gaming PCs requiring ATX 3.1
- 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 Affiliate link
The Corsair RM850x Shift is an 850W fully modular power supply built for modern systems. It supports ATX 3.1 and PCIe 5.1 standards, ensuring compatibility with the latest graphics cards. The unit features 80 Plus Gold efficiency and a zero RPM fan mode for silent operation at low loads. Measuring 5.91 by 3.39 by 6.3 inches, it fits well in compact cases. You will appreciate the reliable power delivery for high-end gaming rigs.
Pros
- 80 Plus Gold efficiency rating for reliable power conversion
- Fully modular cable design for cleaner builds
- Supports ATX 3.1 and PCIe 5.1 standards
- Zero RPM fan mode for silent low-load operation
Cons
- White color may clash with black-themed builds
- Heavier at 3.75 pounds compared to lighter units
- Larger width of 5.91 inches may limit fit in small cases
Good fit if
- You need a fully modular PSU for a high-end gaming PC
- You require ATX 3.1 and PCIe 5.1 compatibility for new GPUs
- You prefer silent operation with zero RPM fan mode
Skip if
- You are building a compact ITX system with tight space constraints
- You prefer a black color scheme for your components
- You need a power supply under 850W for lower-end builds
Verdict: Corsair RM850x Shift 850W ATX 3.1 is a robust choice for enthusiasts building modern high-performance systems with ATX 3.1 and PCIe 5.1 requirements. It suits users who value efficiency, modularity, and silent operation in a compact yet sturdy form factor.
Corsair RM1000x 1000W ATX 3.1 PSU
Best for: High-end gaming and workstation 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 Affiliate link
The Corsair RM1000x is a fully modular 1000W power supply designed for high-end builds. It supports ATX 3.1 and PCIe 5.1 standards, featuring a 12V-2x6 connector for modern graphics cards. This unit delivers Cybenetics Gold efficiency and operates with low noise. Its compact dimensions of 2.3 by 3.39 by 5.91 inches allow for flexible installation in various chassis sizes.
Pros
- 1000W output capacity
- Fully modular cable design
- ATX 3.1 compliance
- Cybenetics Gold efficiency
- 12V-2x6 PCIe connector support
Cons
- Heavier build at 6.88 pounds
- Higher wattage may be excessive for low-power systems
- Black color limits aesthetic matching for white builds
Good fit if
- You need 1000W for high-end GPUs
- You require ATX 3.1 compatibility
- You want fully modular cables
Skip if
- You need a white power supply
- You only require 750W or less
- You prefer a lighter unit under 5 pounds
Verdict: Corsair RM1000x ATX 3.1 1000W suits builders needing maximum power and modern connector support. It fits those prioritizing efficiency and modularity over weight or color options.
Corsair RM1000x Shift 1000W Power Supply
Best for: high-end gaming PCs with modern GPUs
- 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 Affiliate link
This Corsair RM1000x Shift is a 1000W fully modular power supply built for ATX 3.0 compliance. It carries an 80 Plus Gold efficiency rating, which means less wasted heat and lower electricity use during peak loads. The unit measures 5.91 by 5.08 by 7.09 inches and weighs 4.2 pounds. You should choose this if you need high wattage for modern GPUs and want a compact footprint that fits in smaller cases.
Pros
- 1000W output capacity
- ATX 3.0 and PCIe 5.0 compliant
- 80 Plus Gold efficiency rating
- Fully modular cable design
- Compact dimensions for high wattage
Cons
- Heavier than standard units at 4.2 pounds
- Higher price point typical for ATX 3.0 models
- No mention of fan noise levels
Good fit if
- You are building a high-end gaming PC with an RTX 40-series GPU
- You need 1000W of power for future-proofing
- You want a fully modular setup with ATX 3.0 support
Skip if
- You are on a tight budget and need lower wattage
- You require a non-modular power supply for simplicity
- You need an ATX 2.x only system without PCIe 5.0
Verdict: Corsair RM1000x Shift 1000W ATX 3.0 is ideal for enthusiasts who need reliable high-wattage power for next-generation graphics cards. It fits users who prioritize efficiency and modern connectivity in a compact form factor.
Corsair RM850x 850W Fully Modular ATX 3.1 PSU
Best for: Modern gaming PCs with PCIe 5.1 GPUs
- 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 Affiliate link
This Corsair power supply delivers 850W of power with ATX 3.1 compliance. It features fully modular cabling and supports PCIe 5.1 via the 12V-2x6 connector. The unit achieves Cybenetics Gold efficiency, ensuring reliable energy use. Its compact dimensions and low noise profile make it suitable for modern gaming builds that require stable power for high-end components.
Pros
- 850W wattage output
- ATX 3.1 compliant
- PCIe 5.1 support with 12V-2x6 connector
- Fully modular cable design
- Cybenetics Gold efficiency rating
Cons
- Heavier at 3.9 pounds compared to some competitors
- Larger width of 3.39 inches may limit fit in small cases
- No mention of RGB lighting or software control
Good fit if
- You need ATX 3.1 compatibility for new GPUs
- You want fully modular cables for clean builds
- You prioritize high efficiency ratings like Cybenetics Gold
Skip if
- You require a smaller form factor than ATX
- You need RGB lighting features
- You are building a low-power system under 500W
Verdict: Corsair RM850x ATX 3.1 850W is a solid choice for builders upgrading to PCIe 5.1 GPUs who need reliable 850W power in a fully modular package.
Corsair RM750x Shift White 750W ATX Power Supply
Best for: side-mounted modular cable management
- 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 Affiliate link
The Corsair RM750x Shift is a 750W fully modular power supply with 80 Plus Gold efficiency. It features side-mounted modular connections for easier cable management and uses 140mm fans for quiet operation. This unit supports ATX 3.1 and PCIe 5.1 standards. It suits builders who value clean builds and modern connector compatibility.
Pros
- Side-mounted modular connectors for easier access
- ATX 3.1 and PCIe 5.1 support
- 140mm fluid dynamic bearing fan
- 80 Plus Gold efficiency rating
Cons
- 750W output is lower than 850W or 1000W alternatives
- Larger 140mm fan may not fit small cases
- Heavier at 3.75 pounds
Good fit if
- You want side-mounted connectors for cleaner cable management
- You need ATX 3.1 and PCIe 5.1 compatibility
- You prefer a 140mm fan for quieter operation
Skip if
- You require more than 750W of power
- You have a small form factor case that cannot fit a 140mm fan
- You need a lighter power supply under 3 pounds
Verdict: Corsair RM750x Shift 750W fits builders who prioritize easy cable management and modern ATX 3.1 standards in a mid-range wattage.
Specifications side by side
| Spec | Aifeier ET 2-Piece ATX Jumper | 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 |
| Dimensions | 2.05 × 0.95 × 0.41 inches | 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 |
| Weight | 0.64 ounces | not specified | 3.75 pounds | 6.88 pounds | 4.2 pounds | 3.9 pounds | 3.75 pounds |
| Color | Black | 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
Is the Aifeier ET 2-Piece ATX Jumper a power supply?
No, it is a testing tool, not a power supply. This jumper acts as a bridge to verify PSU functionality without connecting a motherboard. It is ideal for bench testing. If you need to power a computer, you must choose one of the listed alternatives like the MSI MAG or Corsair RM series.
Which alternative supports the latest ATX 3.1 standard?
Several options support ATX 3.1. The MSI MAG 850W, Corsair RM850x Shift, Corsair RM1000x, and Corsair RM850x all feature ATX 3.1 compliance. These units also include PCIe 5.1 support. This ensures compatibility with modern graphics cards and provides the 12V-2x6 connector for reliable power delivery in high-end builds.
What is the difference between the Corsair RM850x and RM850x Shift?
The main difference is physical design and cable management. The standard Corsair RM850x is a compact unit measuring 2.3 inches in length. The Shift version is wider, at 5.91 inches, but allows for side-mounted modular cables. Both offer 850W power and ATX 3.1 support for modern gaming systems.
Do these alternatives require fully modular cables?
Yes, all listed power supplies are fully modular. This means you only connect the cables you need. It reduces clutter inside your case and improves airflow. You can attach SATA, PCIe, and CPU cables as required for your specific build configuration without dealing with unused wires.
Which unit is best for high-end workstation builds?
The Corsair RM1000x is the best premium choice for workstations. It delivers 1000W of power with ATX 3.1 and PCIe 5.1 support. It fits users who prioritize efficiency and modularity. This high wattage ensures stable power for demanding GPUs and multiple components in professional or enthusiast setups.
How does the Corsair RM750x Shift differ from other models?
The Corsair RM750x Shift offers 750W of power with ATX 3.1 support. It is designed for side-mounted modular cable management. This feature helps with cable routing in smaller cases. It provides 80 Plus Gold efficiency and is available in white, making it a strong option for mid-range gaming PCs.