6 Best Alternatives to the DWWTKL 24 Pin ATX Power (2026)
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
The DWWTKL 24 Pin ATX Breakout Adapter provides quick access to 3.3V, 5V, 12V, and -12V rails for bench testing. It includes replaceable fuses and binding posts for safe, easy connections during embedded system development. If you need dwwtkl 24 pin atx power alternatives, you might look for higher wattage or different form factors. This adapter is small and designed for testing, not for powering a full desktop computer.
The alternatives on this list were chosen because their specifications overlap with the original in key areas like ATX compatibility. You may want a standard power supply if you need to build a gaming PC or a high-wattage workstation. The products here offer varying wattages from 750W to 1000W. They also feature modern ATX 3.1 standards and PCIe 5.1 support. These specs ensure compatibility with the latest graphics cards. This list helps you find a unit that matches your specific power needs rather than just bench testing requirements.
How the alternatives compare
MSI MAG 850W Fully Modular ATX Power Supply
The MSI MAG 850W replaces the DWWTKL breakout board with a complete power supply unit. You get 850W of continuous power instead of just test rails. It supports ATX 3.1 and PCIe 5.1 standards with a 12V-2x6 connector for modern GPUs. The fully modular design lets you choose which cables to use. This unit is built for gaming PCs, not bench testing. It lacks the binding posts and fused outputs that make the DWWTKL safe for prototyping. If you are building a desktop computer rather than testing embedded circuits, this MSI option provides the raw power and efficiency ratings needed for serious workloads.
Corsair RM850x Shift 850W White ATX Power Supply
The Corsair RM850x Shift offers 850W of power in a white finish, contrasting with the blue DWWTKL adapter. It features ATX 3.1 support and PCIe 5.1 compatibility for the latest graphics cards. The fully modular design allows for clean cable management inside your case. Unlike the DWWTKL, which is a small breakout board, this is a full ATX power supply meant for permanent installation. It provides stable voltage for high-end systems rather than accessible test points. You lose the ability to easily tap into 3.3V and 5V rails for DIY projects. This choice is better if you need reliable power for a high-wattage gaming build.
Corsair RM1000x 1000W ATX 3.1 PSU
The Corsair RM1000x delivers 1000W of power, significantly more than the limited output of the DWWTKL adapter. It supports ATX 3.1 and PCIe 5.1 standards, making it suitable for the most demanding hardware. The fully modular design helps manage cables in larger cases. This unit is designed for permanent installation in a desktop chassis. It does not offer the accessible binding posts or replaceable fuses found on the DWWTKL board. You cannot use it for quick bench testing of embedded systems. If you need maximum wattage for a high-performance PC and do not require test points, this Corsair model provides the necessary power and modern connectivity.
Corsair RM1000x Shift 1000W Power Supply
The Corsair RM1000x Shift provides 1000W of power with ATX 3.0 support. It is fully modular and designed for high-wattage builds. The black finish contrasts with the blue DWWTKL adapter. This unit is a complete power supply for desktop computers, not a benchtop testing tool. It lacks the accessible voltage rails and binding posts that make the DWWTKL useful for prototyping. You cannot easily tap into 5V or 12V for embedded projects. If you are building a powerful PC that requires high wattage and modern PCIe 5.0 support, this option is ideal. It sacrifices the flexibility of a breakout board for raw power output.
Corsair RM850x 850W Fully Modular ATX 3.1 PSU
The Corsair RM850x ATX 3.1 provides 850W of power for desktop systems. It features PCIe 5.1 support and a fully modular design. The black finish is different from the blue DWWTKL adapter. This unit is built for permanent installation in a computer case. It does not offer the accessible test points or fused outputs of the DWWTKL breakout board. You cannot use it for quick hardware testing or embedded system development. If you need reliable power for a high-end GPU and do not require bench testing capabilities, this model is a strong choice. It prioritizes stable power delivery over the flexibility needed for DIY projects.
Corsair RM750x Shift White 750W ATX Power Supply
The Corsair RM750x Shift offers 750W of power with ATX 3.1 support. It features a white finish and side-mounted cable management. This unit is designed for desktop builds requiring modern PCIe 5.1 compatibility. It is a full power supply, not a breakout adapter. It lacks the accessible voltage rails and binding posts that make the DWWTKL useful for prototyping. You cannot easily test embedded systems with this unit. If you need a compact 750W power supply for a modern build and do not require bench testing features, this option is suitable. It provides stable power for gaming PCs without the flexibility of a test board.
Quick picks
Our 7 picks
DWWTKL 24 Pin ATX Breakout Adapter
Best for: bench testing embedded systems
- Form Factor
- ATX
- Device Compatibility
- PCs
- Dimensions
- 5.2 × 2 × 1.5 inches
- Weight
- 3.2 ounces
View on Amazon: DWWTKL 24 Pin ATX Breakout Adapter Affiliate link
This DWWTKL breakout adapter converts a standard 24-pin ATX connector into accessible voltage rails for bench testing. It provides 3.3V, 5V, 12V, and -12V outputs, each protected by a replaceable 5A fuse. The unit includes a power switch and indicator light. Its compact dimensions of 5.2 by 2 by 1.5 inches make it suitable for embedded system development and DIY projects where direct voltage access is required.
Pros
- Provides 3.3V, 5V, 12V, and -12V outputs
- Each channel has a replaceable 5A fuse
- Includes binding posts for easy ground connections
- Features a power switch and indicator light
Cons
- Limited to 5A per output channel
- Not a complete power supply unit
- Lacks digital voltage monitoring
Good fit if
- You need quick access to standard ATX voltages
- You are developing embedded systems
- You require fused protection for bench testing
Skip if
- You need a full power supply for a desktop PC
- You require high-wattage outputs above 5A
- You need digital voltage readouts
Verdict: DWWTKL 24 Pin ATX Breakout Adapter serves as a practical tool for engineers testing embedded systems. It fits developers who need safe, fused access to 12V and 5V rails without building a custom bench supply.
MSI MAG 850W Fully Modular ATX Power Supply
Best for: Modern gaming PCs with PCIe 5.1 GPUs
- 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 rigs. It meets ATX 3.1 and PCIe 5.1 standards, featuring a native 12V-2x6 connector for new GPUs. The unit holds an 80 Plus Gold efficiency rating. Its compact dimensions help fit into smaller cases. You get a 10-year warranty for long-term reliability.
Pros
- 850W output capacity
- ATX 3.1 and PCIe 5.1 ready
- Native 12V-2x6 connector
- 10-year warranty
Cons
- Larger physical footprint than some compact units
- No mention of low-noise fan technology
Good fit if
- You need a native 12V-2x6 connector for PCIe 5.1 GPUs
- You want a fully modular design for clean cable management
- You prefer a 10-year warranty for long-term peace of mind
Skip if
- You require a significantly smaller form factor than standard ATX
- You are building a budget system with lower power needs
- You need a unit with explicitly stated low-noise fan operation
Verdict: MSI MAG A850GL 850W ATX 3.1 is a solid choice for gamers upgrading to PCIe 5.1 graphics cards who value a long warranty and modern connector support.
Corsair RM850x Shift 850W White ATX Power Supply
Best for: High-wattage fully modular builds
- 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 a fully modular ATX 3.1 power supply rated for 850W. It carries an 80 Plus Gold efficiency certification and supports PCIe 5.1 connectors. This unit measures 6.3 by 5.91 by 3.39 inches and weighs 3.75 pounds. It suits builders who need reliable high-wattage delivery with modern cable standards for compatible graphics cards.
Pros
- 850W continuous output capacity
- Fully modular cable design
- 80 Plus Gold efficiency rating
- Supports ATX 3.1 standard
- Includes PCIe 5.1 connectors
Cons
- Heavier at 3.75 pounds
- Larger footprint than compact units
- No app control mentioned
Good fit if
- You need 850W for high-end components
- You want fully modular cables
- You require ATX 3.1 compatibility
Skip if
- You need a compact SFX form factor
- You prefer lower wattage options
- You want a cheaper 80 Plus Bronze unit
Verdict: Corsair RM850x Shift 850W delivers solid 80 Plus Gold efficiency and modern ATX 3.1 support for serious builds. It fits users prioritizing high wattage and modular flexibility over small size.
Corsair RM1000x 1000W ATX 3.1 PSU
Best for: high-wattage modern 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 built for modern systems. It meets ATX 3.1 standards and supports PCIe 5.1 with a 12V-2x6 connector. The unit carries Cybenetics Gold efficiency certification. It measures 2.3 inches in length and weighs 6.88 pounds. This model suits users who need high wattage and low noise for demanding builds.
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 build at 6.88 pounds
- Larger footprint than compact alternatives
- Higher wattage may be unnecessary for low-power systems
Good fit if
- You need 1000W for high-end GPUs
- You require ATX 3.1 compatibility
- You prefer fully modular cables
Skip if
- You need a compact form factor
- You only require 750W or less
- You prioritize the lightest possible unit
Verdict: Corsair RM1000x 1000W ATX 3.1 delivers high wattage and modern connectivity for power users. It fits builders needing robust support for latest GPUs.
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 Affiliate link
This 1000W fully modular power supply supports ATX 3.0 and PCIe 5.0 standards. It carries an 80 Plus Gold efficiency rating. The unit measures 5.91 by 5.08 by 7.09 inches and weighs 4.2 pounds. You need this model if you require high wattage for modern graphics cards. The side-mounted modular interface helps with cable management in tight cases.
Pros
- 1000W output capacity
- ATX 3.0 and PCIe 5.0 compliant
- 80 Plus Gold efficiency rating
- Fully modular cable design
Cons
- Heavier build at 4.2 pounds
- Larger physical dimensions than compact alternatives
- No mention of ATX 3.1 support
Good fit if
- You need 1000W for high-end GPUs
- You want ATX 3.0 compatibility
- You prefer fully modular cables
Skip if
- You need ATX 3.1 support
- You require a compact form factor
- You want a lighter unit
Verdict: Corsair RM1000x Shift 1000W ATX 3.0 fits builders needing high wattage and modern PCIe 5.0 support. It suits those who prioritize efficiency and modular cabling over compact size.
Corsair RM850x 850W Fully Modular ATX 3.1 PSU
Best for: 850W builds needing PCIe 5.1
- 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
The Corsair RM850x is a fully modular 850W power supply designed for modern systems. It supports ATX 3.1 and PCIe 5.1 standards, featuring a 12V-2x6 connector for compatible graphics cards. The unit achieves Cybenetics Gold efficiency ratings and operates with low noise. Its compact dimensions allow for easier installation in smaller cases. This unit suits users needing reliable high-wattage power with modern connector support.
Pros
- 850W continuous power output
- Fully modular cable design
- ATX 3.1 compliant architecture
- PCIe 5.1 support with 12V-2x6 connector
- Cybenetics Gold efficiency certification
Cons
- Heavier build at 3.9 pounds
- Limited to 850W capacity
- Standard ATX form factor size
Good fit if
- You need 850W for high-end components
- You require PCIe 5.1 native support
- You prefer fully modular cable management
Skip if
- You need more than 850W
- You require a non-modular design
- You need a different form factor
Verdict: The Corsair RM850x ATX 3.1 delivers 850W with modern PCIe 5.1 support. It fits builders who need reliable power for high-end GPUs without excess wattage.
Corsair RM750x Shift White 750W ATX Power Supply
Best for: Side-mounted cable management and ATX 3.1 support
- 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 certified for ATX 3.1 and PCIe 5.1. It features a side-mounted modular design for easier cable management and uses a 140mm fan for quiet operation. The unit includes 105°C-rated Japanese capacitors for reliability. This 750W model suits builders who need high efficiency and modern connector support without the bulk of larger units.
Pros
- ATX 3.1 and PCIe 5.1 certified for modern hardware
- Side-mounted modular connections simplify cable management
- 140mm fan ensures low noise and high performance
- 100% Japanese electrolytic capacitors rated for 105°C
- 80 Plus Gold efficiency rating
Cons
- 750W output is lower than the 850W and 1000W alternatives on this list
- Fixed ATX form factor limits compatibility with smaller cases
- No mention of zero-RPM mode in the official spec sheet
Good fit if
- You need ATX 3.1 and PCIe 5.1 support for new GPUs
- You want side-mounted connectors for cleaner cable routing
- You prefer a 140mm fan for quieter operation
Skip if
- You require more than 750W of power
- You need a non-standard form factor for a mini-ITX build
- You are looking for a 1000W or higher capacity unit
Verdict: Corsair RM750x Shift 750W ATX 3.1 fits builders who prioritize modern PCIe 5.1 compatibility and side-mounted cable management in a compact 750W package.
Specifications side by side
| Spec | DWWTKL 24 Pin ATX Breakout Adapter | 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 stated | 850W | 850W | 1000W | 1000W | 850W | 750W |
| Efficiency Rating | not stated | 80+ Gold | 80 Plus Gold | Cybenetics Gold | 80 Plus Gold | Cybenetics Gold | 80 Plus Gold |
| Modularity | not stated | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular |
| ATX Version | not stated | ATX 3.1 | ATX 3.1 | ATX 3.1 | ATX 3.0 | ATX 3.1 | ATX 3.1 |
| PCIe Connector Type | not stated | 12V-2x6 | PCIe 5.1 | 12V-2x6 | not stated | 12V-2x6 | not stated |
| Fan Size | not stated | not stated | not stated | not stated | not stated | not stated | 140mm |
| Warranty | not stated | 10 Year | not stated | not stated | not stated | not stated | not stated |
| Form Factor | ATX | Compact | ATX | ATX | ATX | ATX | ATX |
| PCIe Version | not stated | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 | not stated | PCIe 5.1 | PCIe 5.1 |
| Recommended Use | not stated | Gaming | not stated | not stated | not stated | not stated | not stated |
| Connector | not stated | 12V-2x6 Connector | not stated | 12V-2x6 Connector | not stated | 12V-2x6 Connector | not stated |
| Size | not stated | 850W (PCIE 5) | 850W | 1000W | 1000W | 850W | 750W |
| Device Compatibility | PCs | not stated | not stated | not stated | not stated | not stated | not stated |
| Dimensions | 5.2 × 2 × 1.5 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 | 3.2 ounces | not stated | 3.75 pounds | 6.88 pounds | 4.2 pounds | 3.9 pounds | 3.75 pounds |
| Color | Blue | not stated | White | Black | Black | Black | White |
| Model | ZSB008 | not stated | not stated | not stated | not stated | not stated | CP-9020273-NA |
If you want to see other options, visit the garvee 24 alternatives page for more comparisons.
Frequently asked questions
Can I use these ATX power supplies for bench testing instead of a breakout board?
Yes, you can use full ATX power supplies for bench testing, though the approach differs. The DWWTKL adapter offers direct, fused access to specific rails like 12V and 5V for embedded systems. In contrast, units like the MSI MAG 850W provide complete system power. You would need additional cabling to tap into specific voltages rather than using built-in binding posts.
Which alternative supports the latest PCIe 5.1 graphics cards?
Several options on this list support PCIe 5.1 standards for modern GPUs. The MSI MAG 850W and the Corsair RM850x Shift both feature ATX 3.1 compliance and 12V-2x6 connectors. The Corsair RM1000x also includes this modern connector. These specifications ensure compatibility with the latest high-power graphics cards without needing adapter cables.
Is the DWWTKL adapter smaller than standard ATX power supplies?
The DWWTKL adapter is significantly more compact than standard ATX units. It measures 5.2 inches in length and weighs only 3.2 ounces. Standard ATX power supplies, such as the Corsair RM1000x Shift, are much larger and heavier. The Corsair model weighs 6.88 pounds and has a depth of 2.3 inches. The breakout board is ideal for tight spaces.
Do these alternatives offer fully modular cabling?
Most of the listed ATX power supplies feature fully modular designs. This includes the MSI MAG 850W, the Corsair RM850x Shift, and the Corsair RM1000x. The DWWTKL adapter does not use modular cables as it is a fixed breakout board. Fully modular units allow you to connect only the cables you need, reducing clutter in your build.
What is the highest wattage available among these alternatives?
The highest wattage option listed is the Corsair RM1000x, available in both standard and Shift versions. Both provide 1000W of continuous power. The MSI MAG 850W and Corsair RM850x models offer 850W. The Corsair RM750x Shift provides 750W. The DWWTKL adapter does not have a wattage rating as it is a test tool.
Which power supply is best for high-wattage modern builds?
The Corsair RM1000x is rated as the best premium option for high-wattage modern builds. It delivers 1000W and supports ATX 3.1 and PCIe 5.1 standards. The Corsair RM1000x Shift is another strong choice for ATX 3.0 builds. These units provide robust support for the latest GPUs and high-power components in demanding setups.
Are there white color options for these ATX power supplies?
Yes, white color options are available for several models. The Corsair RM850x Shift comes in white, as does the Corsair RM750x Shift. The DWWTKL adapter is also available in blue. Most other listed units, such as the MSI MAG 850W and Corsair RM1000x, are black. You can match the color to your build theme.