OwlTree 8-Pin to Dual 8-Pin Alternatives: 6 Similar Picks Compared
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The OwlTree 8-Pin to Dual 8-Pin PCIe Cable provides a specific solution for Corsair modular PSU owners. If you are searching for owltree braided atx psu 8 alternatives, you may need different specifications. This adapter converts a single ATX 8-pin male connector from the power supply into two PCIe 8-pin (6+2) male connectors for your graphics card. It measures 75 centimeters in total length and uses 18AWG tinned copper wire. The design ensures you can power high-demand GPUs without daisy-chaining cables, which reduces strain on the connectors.
However, some builders prefer a dedicated power supply over an adapter. The alternatives on this list feature higher wattage ratings, such as 750W to 1000W units. These options support modern ATX 3.1 standards and include native 12V-2x6 connectors for the latest hardware. You might choose one of these if you need greater power headroom or a more compact form factor. We selected these picks because their core specs overlap with the needs of users seeking reliable GPU power delivery. Each option offers distinct advantages in efficiency, modularity, and physical size to suit various case configurations.
How each alternative compares
MSI MAG 850W Fully Modular ATX Power Supply
The MSI MAG 850W replaces a simple adapter with a complete power supply. It offers 850W output and ATX 3.1 support, providing native PCIe 5.1 connectivity via a 12V-2x6 connector. This eliminates the need for splitters entirely. It features fully modular cables and an 80 Plus Gold efficiency rating. The unit measures 12 inches in length, which is longer than the adapter cable but fits standard cases. You get a 10-year warranty, offering long-term reliability. Choose this if you need a dedicated PSU rather than a cable solution for your Corsair system or any other build.
Corsair RM850x Shift 850W White ATX Power Supply
The Corsair RM850x Shift 850W provides a compact power supply alternative to the adapter. It supports ATX 3.1 and PCIe 5.1, delivering 850W with 80 Plus Gold efficiency. Its side-mount connector design improves airflow and cable management. The unit is significantly smaller, measuring 6.3 inches in length and 5.91 inches in width. It weighs 3.75 pounds. This option is ideal for high-end gaming PCs requiring modern GPU connectivity. Unlike the adapter, it powers the entire system. Select this if you are building a new rig or upgrading your power source for better performance and cleaner internals.
Corsair RM1000x 1000W ATX 3.1 PSU
The Corsair RM1000x 1000W offers higher wattage than the adapter can ever provide. It supports ATX 3.1 and PCIe 5.1 standards with a 12V-2x6 connector. This fully modular unit delivers 1000W of power, suitable for high-end gaming and workstation builds. It measures 2.3 inches in length and 3.39 inches in width, making it very compact. The unit weighs 6.88 pounds. This choice is best for builders needing maximum headroom for power-hungry graphics cards. It replaces the adapter by providing direct, sufficient power from the source rather than splitting a single cable.
Corsair RM1000x Shift 1000W Power Supply
The Corsair RM1000x Shift 1000W provides high-wattage ATX 3.0 support. It features a fully modular design and 80 Plus Gold efficiency. The unit measures 7.09 inches in length and 5.91 inches in width. It weighs 4.2 pounds. This power supply is designed for users needing maximum power density with modern PCIe 5.0 support. It offers modular flexibility and efficiency. Unlike the adapter, which only splits one cable, this unit powers the whole system. Choose this if you are building a high-wattage ATX 3.0 system and require robust, reliable power delivery for your components.
Corsair RM850x 850W Fully Modular ATX 3.1 PSU
The Corsair RM850x 850W is a fully modular power supply supporting ATX 3.1 and PCIe 5.1. It includes a 12V-2x6 connector for modern GPUs. The unit measures 2.3 inches in length and 3.39 inches in width. It weighs 3.9 pounds. This option provides reliable 850W power with low noise and high efficiency. It is a solid choice for builders needing modern GPU support. Unlike the adapter, it does not rely on a single cable split. Select this if you prioritize efficiency and low noise in a compact form factor for your gaming build.
Corsair RM750x Shift White 750W ATX Power Supply
The Corsair RM750x Shift 750W offers a compact power supply with ATX 3.1 and PCIe 5.1 support. It features fully modular cables and 80 Plus Gold efficiency. The unit measures 6.3 inches in length and 5.91 inches in width. It weighs 3.75 pounds. This model is ideal for mid-range systems that do not require high wattage. Its side-mounted connectors aid cable management. Choose this if you want easy cable management and modern GPU support. It replaces the adapter by providing dedicated power from the PSU, ensuring stable operation for your graphics card.
Quick picks
Our 7 picks
OwlTree 8-Pin to Dual 8-Pin PCIe Cable
Best for: Corsair modular PSU owners with dual 8-pin GPU needs
- Form Factor
- ATX
This cable splits one 8-pin male connector from your power supply into two PCIe 6+2 pin male connectors for your graphics card. It uses 18AWG tinned copper wire and measures 75 centimeters total in length. The design is specific to Corsair modular series units. You need this adapter if your PSU has only one free 8-pin PCIe cable but your GPU requires two.
Pros
- Splits one PSU 8-pin output into two GPU 6+2 pin inputs
- Uses 18AWG tinned copper wire for signal integrity
- Total length is 75 centimeters (60cm plus 15cm segments)
Cons
- Only compatible with Corsair RM, RMX, RMi, HX, HXi, AX, AXi, SF, TX, TX-M, CS, and CX series
- Connectors are not interchangeable between the PSU and GPU ends
- Requires a specific Corsair modular PSU to function
Good fit if
- You own a Corsair modular power supply with only one 8-pin PCIe cable
- Your graphics card requires two 8-pin (6+2) power connectors
- You need a 75 centimeter cable length for your build
Skip if
- You use a power supply from a brand other than Corsair
- Your graphics card only needs one 8-pin power connector
- You require a cable that works with non-Corsair modular PSUs
Verdict: OwlTree 8-Pin to Dual 6+2 Pin Adapter provides a direct solution for Corsair users needing dual GPU power from a single cable. It fits builders with specific Corsair modular units who lack sufficient PCIe cables for their hardware.
MSI MAG 850W Fully Modular ATX Power Supply
Best for: Standard gaming PCs needing 850W
- Wattage
- 850W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
This 850W power supply features an 80 Plus Gold efficiency rating and supports ATX 3.1 standards. It includes a 12V-2x6 connector for modern GPUs and is fully modular. The unit measures 8.75 by 4.92 by 12 inches. You get a 10-year warranty. It suits gamers who need reliable power for high-end components without excessive bulk.
Pros
- 850W output capacity
- 80 Plus Gold efficiency
- ATX 3.1 and PCIe 5.1 ready
- Fully modular cable design
- 10-year warranty coverage
Cons
- 12-inch length may not fit small cases
- Only includes one 12V-2x6 connector
- Standard ATX form factor limits compact builds
Good fit if
- You need a reliable 850W source for gaming rigs
- You want Gold efficiency to reduce power waste
- You prefer fully modular cables for cleaner builds
Skip if
- You require multiple native 12V-2x6 connectors
- You have a small form factor case with tight length limits
- You need a 1000W or higher power rating
Verdict: MSI MAG A850GL 850W ATX 3.1 PSU delivers solid Gold efficiency and modern connectivity for standard mid-tower gaming builds. It fits users who prioritize long-term warranty support and clean cable management over extreme compactness.
Corsair RM850x Shift 850W White ATX Power Supply
Best for: High-end gaming PCs with PCIe 5.1 GPUs
- 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
The Corsair RM850x Shift is a fully modular 850W power supply built for modern GPUs. It features ATX 3.1 compliance and native PCIe 5.1 support for direct 12VHPWR connections. Its compact dimensions help with cable management in smaller cases. This unit suits builders who need reliable high-wattage performance with clean, modular cabling for high-end graphics cards.
Pros
- 850W capacity for high-end systems
- ATX 3.1 standard compliance
- Native PCIe 5.1 connector support
- Fully modular cable design
Cons
- Larger width than standard ATX units
- White color limits stealth builds
- Heavier than average for its class
Good fit if
- You are building a PC with a high-end NVIDIA or AMD GPU
- You need native PCIe 5.1 support without adapters
- You want a fully modular unit for clean cable management
Skip if
- You are using a small form factor case with strict width limits
- You prefer a black PSU for a stealth aesthetic
- You need a lower wattage unit for basic office builds
Verdict: Corsair RM850x Shift 850W ATX 3.1 is a robust choice for enthusiasts building high-performance gaming rigs with modern GPUs that require PCIe 5.1 connectivity. Its compact design aids airflow, though its width requires checking case compatibility.
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
The Corsair RM1000x delivers 1000W of power with full modularity. It supports ATX 3.1 and PCIe 5.1 standards, featuring a 12V-2x6 connector for modern GPUs. This unit offers Cybenetics Gold efficiency and low-noise operation. Its compact 3.39-inch width helps fit into various cases. You get reliable power for high-end builds needing stable current and clean connections.
Pros
- 1000W output capacity
- Fully modular cable design
- ATX 3.1 and PCIe 5.1 compliance
- 12V-2x6 connector for new GPUs
- Cybenetics Gold efficiency rating
Cons
- Heavier at 6.88 pounds
- Wider than shift models
- No RGB lighting mentioned
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 under 850W
- You want a smaller width
- You prefer lower wattage
Verdict: Corsair RM1000x Fully Modular 1000W ATX 3.1 suits builders who need maximum headroom for power-hungry graphics cards. Its ATX 3.1 support ensures future-proof connectivity for the latest hardware.
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
This Corsair unit delivers 1000W of power with 80 Plus Gold efficiency. It supports ATX 3.0 and PCIe 5.0 standards for modern GPUs. The fully modular design allows you to connect only the cables you need. It measures 5.91 by 7.09 inches and weighs 4.2 pounds. You should choose this if you need high wattage and compact dimensions for a powerful build.
Pros
- 1000W output capacity
- ATX 3.0 and PCIe 5.0 compliant
- 80 Plus Gold efficiency rating
- Fully modular cable design
Cons
- Heavier at 4.2 pounds compared to some competitors
- Brand listed as Mkastry in data
- Larger width than side-shift alternatives
Good fit if
- You need 1000W for high-end graphics cards
- You want ATX 3.0 native support
- You prefer fully modular cables
Skip if
- You need under 1000W
- You want a lower weight
- You require ATX 3.1 support
Verdict: Corsair RM1000x Shift 1000W ATX 3.0 fits users needing maximum power density with modern PCIe 5.0 support. It suits builders who prioritize efficiency and modular flexibility over minimal weight.
Corsair RM850x 850W Fully Modular ATX 3.1 PSU
Best for: 850W builds with modern 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
This Corsair power supply delivers 850W of power with full modularity. It supports ATX 3.1 and PCIe 5.1 standards, featuring a single 12V-2x6 connector for modern GPUs. The unit holds Cybenetics Gold efficiency certification and operates with low noise. Its compact dimensions make it suitable for various cases, providing reliable power for high-end builds.
Pros
- 850W output capacity
- Fully modular cable design
- ATX 3.1 compliance
- PCIe 5.1 support
- Cybenetics Gold efficiency
Cons
- Heavier than compact alternatives
- Larger width than shift models
- No app control mentioned
Good fit if
- You need 850W for a single GPU
- You want ATX 3.1 compatibility
- You prefer low-noise operation
Skip if
- You require a compact form factor
- You need more than 850W
- You want app-based monitoring
Verdict: Corsair RM850x ATX 3.1 is a solid choice for builders needing reliable 850W power with modern PCIe 5.1 support. It fits users who prioritize efficiency and low noise over extreme compactness.
Corsair RM750x Shift White 750W ATX Power Supply
Best for: side-mounted cable management and modern GPUs
- 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
This Corsair power supply delivers 750W of power with 80 Plus Gold efficiency. It features side-mounted modular connectors for cleaner cable management and uses 140mm fans for quiet operation. The unit supports ATX 3.1 and PCIe 5.1 standards. It is suitable for builders who value compact layouts and reliable power delivery for modern graphics cards.
Pros
- Side-mounted modular connectors for easier access
- 140mm fluid dynamic bearing fan for low noise
- ATX 3.1 and PCIe 5.1 certified
- Fully modular with micro-fit connectors
Cons
- 750W output is lower than 850W or 1000W alternatives
- Heavier at 3.75 pounds compared to lighter models
- Only includes one PCIe 5.1 cable by default
Good fit if
- You need side-mounted connectors for tight cases
- You want ATX 3.1 support for new GPUs
- You prefer quieter operation with a 140mm fan
Skip if
- You require more than 750W of power
- You need multiple PCIe 5.1 cables included
- You prefer a lighter power supply under 3 pounds
Verdict: Corsair RM750x Shift 750W ATX 3.1 fits builders who prioritize cable management ease and modern GPU support. It is ideal for mid-range systems that do not require high wattage.
Specifications side by side
| Spec | OwlTree 8-Pin to Dual 8-Pin PCIe Cable | 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 | 75 centimeters | 850W (PCIE 5) | 850W | 1000W | 1000W | 850W | 750W |
| 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 |
| Weight | not specified | 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 | OT-CS-ADP-001 | not specified | not specified | not specified | not specified | not specified | CP-9020273-NA |
Frequently asked questions
Does this adapter work with non-Corsair power supplies?
The product is specifically designed for Corsair modular PSU owners. It provides a direct solution for those units lacking sufficient PCIe cables. You should verify compatibility with your specific modular unit before purchasing. The adapter fits builders with specific Corsair modular units who lack sufficient PCIe cables for their hardware.
What is the length of the cable?
The cable measures 75 centimeters in length. This size allows for flexible routing within your case. The black color helps it blend with standard builds. The model number is OT-CS-ADP-001. This length is sufficient for most mid-tower and full-tower chassis layouts.
Which power supply is best for standard gaming?
The MSI MAG 850W is the best budget choice for standard gaming PCs. It delivers 850W output with ATX 3.1 support. The unit features a 12V-2x6 connector for modern GPUs. It is fully modular and offers an 80 Plus Gold efficiency rating. This setup prioritizes clean cable management.
Is there a compact option for high-end builds?
The Corsair RM850x Shift 850W is a robust choice for enthusiasts. It supports PCIe 5.1 connectivity via ATX 3.1 standards. The compact design aids airflow, measuring 5.91 inches wide and 3.39 inches high. It is fully modular and features 80 Plus Gold efficiency. Check your case width compatibility due to its form factor.
What is the best premium power supply for workstations?
The Corsair RM1000x 1000W ATX 3.1 suits builders needing maximum headroom. It supports PCIe 5.1 and features a 12V-2x6 connector. The unit is fully modular and black. It measures 3.39 inches wide and 2.3 inches long. This ensures future-proof connectivity for the latest power-hungry graphics cards and hardware.
Which PSU is best for ATX 3.0 builds?
The Corsair RM1000x Shift 1000W is the best ATX 3.0 option. It fits users needing maximum power density with PCIe 5.0 support. The unit is fully modular and features 80 Plus Gold efficiency. It measures 5.91 inches wide and 7.09 inches long. This choice prioritizes efficiency and modular flexibility over minimal weight.
Is there a reliable 850W option with modern support?
The Corsair RM850x 850W Fully Modular ATX 3.1 is a solid choice. It provides reliable power with modern PCIe 5.1 support. The unit features a 12V-2x6 connector and is fully modular. It measures 3.39 inches wide and 2.3 inches long. This model fits users who prioritize efficiency and low noise over extreme compactness.
Which 750W unit is ideal for side-mounted cables?
The Corsair RM750x Shift 750W is ideal for side-mounted cable management. It supports ATX 3.1 and PCIe 5.1 standards. The unit is fully modular and features 80 Plus Gold efficiency. It measures 5.91 inches wide and 6.3 inches long. This is perfect for mid-range systems that do not require high wattage.






