6 Best Alternatives to the BAY Direct 2-Pack Add2PSU Multiple Power (2026)
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You are looking for bay direct 2 pack add2psu multiple power alternatives because the original adapter serves a very specific niche. The BAY Direct Add2PSU 2-Pack Adapter provides a compact ATX to Molex solution for legacy devices. Its small size and plug-and-play design make it easy to install in tight spaces. It optimizes power distribution without generating significant heat. This makes it ideal for users who need to power older fans or drives using modern ATX connectors.
However, you might want a different product if you need more power or modern connectivity. The original unit only adapts connectors; it does not provide additional wattage for high-end components. Many buyers prefer full power supplies that offer higher efficiency ratings and modular cable management. The alternatives in this list were chosen because their specifications overlap with the original in terms of form factor and basic power delivery. Some options provide ATX 3.1 support and PCIe 5.1 readiness for modern gaming rigs. Others offer higher wattage for demanding systems. This selection covers various needs while maintaining compatibility with standard ATX cases.
How alternatives differ from the adapter
MSI MAG 850W Fully Modular ATX Power Supply
The MSI MAG 850W is a complete power supply, not a simple adapter. It provides 850W of power with 80 Plus Gold efficiency and ATX 3.1 standards. This unit includes a 12V-2x6 connector for modern graphics cards. It is fully modular, allowing you to connect only the cables you need. The dimensions are 12 inches in length, which may not fit smaller cases. You get a 10-year warranty for long-term reliability. Choose this if you need a full system power source rather than just converting a single Molex connector. It supports gaming builds with higher power demands than legacy devices.
Corsair RM850x Shift 850W White ATX Power Supply
The Corsair RM850x Shift offers 850W of power with ATX 3.1 and PCIe 5.1 support. It features a 12V-2x6 connector for modern GPUs. The unit is fully modular and includes a side-mounted connector design for cleaner cable management. Its dimensions are 6.3 inches in length, making it more compact than the MSI option. The white color matches specific aesthetic builds. It weighs 3.75 pounds. This power supply is ideal for users building modern gaming rigs that require high efficiency and up-to-date connector standards. It replaces the need for adapters by providing native support for current hardware components directly from the unit.
Corsair RM1000x 1000W ATX 3.1 PSU
The Corsair RM1000x provides 1000W of power with ATX 3.1 and PCIe 5.1 standards. It includes a 12V-2x6 connector for high-end graphics cards. The unit is fully modular, allowing for flexible cable management. Its length is only 2.3 inches, making it very compact for tight cases. It weighs 6.88 pounds. This power supply is designed for systems with high power requirements. It offers robust power delivery without the need for external adapters. Choose this option if you are building a high-wattage system that requires modern connectivity and efficient power distribution directly from the power supply unit.
Corsair RM1000x Shift 1000W Power Supply
The Corsair RM1000x Shift delivers 1000W of power with ATX 3.0 standards. It is fully modular, allowing for efficient cable management. The unit is black and measures 7.09 inches in length. It weighs 4.2 pounds. This power supply is suitable for high-wattage builds that do not yet require ATX 3.1 features. It provides solid power delivery for demanding systems. Unlike the simple adapter, this unit powers an entire system. It is best for builders who prioritize high wattage and modern standards without needing the latest PCIe 5.1 connectivity. It offers a reliable power source for mid-to-high-end gaming rigs.
Corsair RM850x 850W Fully Modular ATX 3.1 PSU
The Corsair RM850x provides 850W of power with ATX 3.1 and PCIe 5.1 support. It includes a 12V-2x6 connector for modern graphics cards. The unit is fully modular and black in color. Its length is 2.3 inches, making it very compact. It weighs 3.9 pounds. This power supply is designed for high-end gaming rigs that require efficient power delivery. It eliminates the need for adapters by providing native support for current hardware. Choose this option if you need a reliable power source for modern components. It offers robust performance and modern connectivity standards in a small form factor.
Corsair RM750x Shift White 750W ATX Power Supply
The Corsair RM750x Shift offers 750W of power with ATX 3.1 and PCIe 5.1 standards. It features a 12V-2x6 connector for modern GPUs. The unit is fully modular and white in color. Its length is 6.3 inches, and it weighs 3.75 pounds. This power supply is ideal for mid-range builds that prioritize clean cable management. It provides efficient power delivery for current hardware. Unlike the adapter, it powers the entire system. Choose this option if you need a reliable power source for modern components without the higher wattage of larger units. It balances performance and aesthetics for specific build requirements.
Quick picks
Our 7 picks
BAY Direct Add2PSU 2-Pack Adapter
Best for: Powering legacy Molex devices with ATX connectors
- Form Factor
- ATX
- Weight
- 1.13 ounces
View on Amazon: BAY Direct Add2PSU 2-Pack Adapter Affiliate link
This product is a 2-pack of ATX 24-pin to Molex 4-pin power adapters from BAY Direct. The small form factor measures 7 by 3 centimeters, allowing for easy installation in tight spaces. It uses a solid-state board for power distribution without generating excess heat. You can use these adapters to manage additional power for video cards, hard drives, and cooling fans. The lightweight design weighs only 1.13 ounces per unit.
Pros
- Includes a 2-pack of adapters for multiple connections
- Compact size of 7x3 cm fits in tight spaces
- Solid-state board optimizes power distribution
- Lightweight at 1.13 ounces per unit
Cons
- Only converts ATX 24-pin to Molex 4-pin
- Requires strict plug direction to avoid damage
- Does not provide native ATX 12V power
Good fit if
- You need to power older Molex devices using modern ATX connectors
- You have limited space inside your PC case
- You want a simple plug-and-play solution for fans or drives
Skip if
- You require native ATX 12V power for your components
- You need adapters for SATA or other connector types
- You prefer cables that work in either orientation
Verdict: BAY Direct Add2PSU 2-Pack Adapter is a compact solution for users needing to adapt modern ATX power to legacy Molex connectors. It fits best in builds where space is tight and only basic power distribution is required.
MSI MAG 850W Fully Modular ATX Power Supply
Best for: Standard gaming PCs needing gold efficiency
- 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 designed for gaming systems. It meets ATX 3.1 and PCIe 5.1 standards, featuring an 80 Plus Gold efficiency rating. The unit includes a 12V-2x6 connector for modern graphics cards. It measures 12 inches in length and carries a 10-year warranty. This unit suits builders who need reliable power delivery for high-end components.
Pros
- 850W output capacity
- Fully modular cable design
- 80 Plus Gold efficiency rating
- 10-year warranty coverage
- Supports ATX 3.1 standard
Cons
- 12-inch length may not fit small cases
- No app or software control mentioned
- Standard ATX form factor limits extreme compact builds
Good fit if
- You are building a mid-tower gaming PC
- You need PCIe 5.1 ready connectivity
- You want a 10-year warranty
Skip if
- You have a mini-ITX case with strict length limits
- You require a 1000W or higher rating
- You prefer non-modular cables for simplicity
Verdict: MSI MAG A850GL 850W ATX 3.1 offers solid gold efficiency and a decade of support for standard gaming builds. It fits well in cases that can accommodate its 12-inch depth.
Corsair RM850x Shift 850W White ATX Power Supply
Best for: Modern ATX 3.1 gaming 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 850W 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 an 80 Plus Gold efficiency rating, which reduces energy waste. Measuring 6.3 inches in length, it fits in most mid-tower cases. You get reliable power delivery with a compact footprint.
Pros
- 850W output capacity for high-end builds
- ATX 3.1 and PCIe 5.1 support for new GPUs
- Fully modular cable design for cleaner builds
- 80 Plus Gold efficiency rating
Cons
- White color may not match black builds
- 3.75 pounds weight adds to chassis load
- No mention of zero-RPM fan mode in specs
Good fit if
- You need PCIe 5.1 support for next-gen GPUs
- You prefer a fully modular cable setup
- You want ATX 3.1 compliance for future proofing
Skip if
- You require a black color scheme
- You need more than 850W of power
- You prefer a non-modular power supply
Verdict: Corsair RM850x Shift ATX 3.1 delivers modern connectivity for high-end gaming rigs. It suits builders who prioritize PCIe 5.1 readiness and efficient power delivery in a compact frame.
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 Affiliate link
This Corsair unit delivers 1000W of power with full modularity. It supports ATX 3.1 standards and PCIe 5.1 via the 12V-2x6 connector. The Cybenetics Gold efficiency rating ensures reliable operation with low noise. You get a compact ATX form factor measuring 3.39 by 5.91 inches. This setup suits high-end builds needing stable power for modern graphics cards.
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 width than shift variants
- No mention of zero-RPM fan mode
Good fit if
- You need 1000W for high-end GPUs
- You want ATX 3.1 compatibility
- You prefer fully modular cables
Skip if
- You need a compact SFX unit
- You are on a tight budget
- You require ATX 3.0 only
Verdict: Corsair RM1000x Fully Modular 1000W provides robust power for demanding systems. It fits builders who need ATX 3.1 support and high wattage without sacrificing cable management.
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
The Corsair RM1000x Shift is a 1000W fully modular power supply built for ATX 3.0 systems. It carries an 80 Plus Gold efficiency rating. The design features a modular side interface for cleaner cable routing. It measures 5.91 by 5.08 by 7.09 inches and weighs 4.2 pounds. This unit suits users needing high wattage and modern PCIe 5.0 compatibility.
Pros
- 1000W output capacity
- ATX 3.0 and PCIe 5.0 compliant
- Fully modular cable design
- 80 Plus Gold efficiency rating
- Compact modular side interface
Cons
- 4.2 pounds weight is heavy for its class
- ATX 3.0 standard rather than newer ATX 3.1
- Black color limits aesthetic options
Good fit if
- You need 1000W for high-end GPUs
- You want ATX 3.0 PCIe 5.0 support
- You prefer fully modular cable management
Skip if
- You require ATX 3.1 compliance
- You need a lighter power supply
- You want a different color scheme
Verdict: Corsair RM1000x Shift 1000W ATX 3.0 delivers solid 1000W power with modern ATX 3.0 standards. It fits builders prioritizing high wattage and efficient modular cable management.
Corsair RM850x 850W Fully Modular ATX 3.1 PSU
Best for: ATX 3.1 and PCIe 5.1 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 Affiliate link
The Corsair RM850x is a fully modular 850W power supply built for modern systems. It supports ATX 3.1 and PCIe 5.1 standards with a 12V-2x6 connector. The unit carries a Cybenetics Gold efficiency rating. It measures 3.39 by 5.91 by 2.3 inches and weighs 3.9 pounds. This compact design suits builders who need reliable power for high-end graphics cards without excessive bulk.
Pros
- 850W output capacity
- Fully modular cable design
- ATX 3.1 compliance
- PCIe 5.1 support
- Cybenetics Gold efficiency
Cons
- Limited to 850W output
- Black color only
- No LCD display
Good fit if
- You need ATX 3.1 support
- You require PCIe 5.1 readiness
- You want a fully modular unit
Skip if
- You need more than 850W
- You prefer a different color
- You want an LCD screen
Verdict: Corsair RM850x 850W ATX 3.1 offers solid 850W power with modern ATX 3.1 and PCIe 5.1 support for users building high-end gaming rigs.
Corsair RM750x Shift White 750W ATX Power Supply
Best for: Clean cable management with side-mounted connectors
- 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
This Corsair unit delivers 750W of power with 80 Plus Gold efficiency. It features fully modular micro-fit connectors and ATX 3.1 certification for modern systems. The side-mounted modular design simplifies cable management. A 140mm fan ensures quiet operation. It suits builders needing clean builds and reliable power delivery for mid-range gaming rigs.
Pros
- ATX 3.1 certification supports PCIe 5.1 platforms
- Side-mounted modular connections for easier access
- Fully modular micro-fit connectors reduce clutter
- 140mm fluid dynamic bearing fan for low noise
Cons
- 750W output is lower than the 850W and 1000W alternatives on this list
- Heavier at 3.75 pounds compared to lighter competitors
- White color may not match black PC cases
Good fit if
- You want side-mounted connectors for cleaner cable management
- You need ATX 3.1 support for new GPUs
- You prefer a fully modular design with micro-fit cables
Skip if
- You require more than 750W of power
- You prefer black power supplies for your build
- You need a smaller 120mm fan form factor
Verdict: Corsair RM750x Shift 750W ATX 3.1 fits users who prioritize side-mounted modular connections and modern ATX 3.1 standards. It is a solid choice for mid-range builds but lacks the higher wattage of other options.
Specifications side by side
| Spec | BAY Direct Add2PSU 2-Pack 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 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 | 1.13 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 |
| Model | 1201 | not specified | not specified | not specified | not specified | not specified | CP-9020273-NA |
| Color | not specified | not specified | White | Black | Black | Black | White |
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Frequently asked questions
Can I use a power supply instead of the BAY Direct Add2PSU adapter?
Yes, replacing the adapter with a full power supply is a common alternative. Units like the MSI MAG 850W provide complete power delivery rather than just bridging connectors. This approach offers higher wattage and modern standards like ATX 3.1. It suits builds where you need more than basic legacy support.
What is the best ATX 3.1 power supply for gaming?
The Corsair RM850x Shift is a strong choice for modern gaming rigs. It features ATX 3.1 support and PCIe 5.1 readiness. The unit delivers 850W of power with a compact frame. Its side-mounted connectors help with cable management in tight cases. This model balances performance with efficient power delivery.
Which power supply offers the highest wattage in this list?
The Corsair RM1000x Shift and RM1000x both provide 1000W of power. These units are designed for high-wattage builds requiring robust energy delivery. The RM1000x Shift supports ATX 3.0 standards, while the standard RM1000x supports ATX 3.1. Both models feature fully modular cables for cleaner installations.
Is the Corsair RM750x Shift suitable for mid-range builds?
Yes, the Corsair RM750x Shift is ideal for mid-range systems. It provides 750W of power with ATX 3.1 and PCIe 5.1 support. The side-mounted modular connectors simplify cable routing. While it lacks the higher wattage of other options, it offers efficient gold-rated performance in a compact form factor.
How does the MSI MAG 850W differ from the BAY Direct adapter?
The MSI MAG 850W is a complete power supply, not a simple adapter. It delivers 850W with 80 Plus Gold efficiency and ATX 3.1 standards. It includes a 12V-2x6 connector for modern graphics cards. This unit requires more space, measuring 12 inches in length, compared to the tiny adapter.
What connector does the Corsair RM1000x use for graphics cards?
The Corsair RM1000x uses a 12V-2x6 connector for graphics cards. This interface supports PCIe 5.1 standards for modern hardware. The unit provides 1000W of power with fully modular cables. It fits builders who need high wattage and modern connectivity without sacrificing cable management flexibility.
Which power supply is the most compact in this guide?
The Corsair RM1000x is the most compact unit listed. It measures only 2.3 inches in length. Despite its small size, it delivers 1000W of power. It supports ATX 3.1 and PCIe 5.1 standards. This makes it suitable for small form factor builds requiring high performance.






