Looking Beyond the Optimal Shop 24-Pin Dual PSU ATX? 6 Alternatives Worth a Look
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The optimal shop 24 pin main second alternatives list helps you find better options for dual power supply setups. This adapter synchronizes two ATX power supplies through a single motherboard header, enabling multi-GPU mining and gaming configurations. It works with both 20-pin and 24-pin ATX motherboards, providing a direct hardware link without manual secondary activation. The cable measures 12.6 inches and features a black finish for discreet installation.
You might prefer a single-unit power supply instead of an adapter cable. Modern ATX 3.1 and PCIe 5.1 standards offer native 12V-2x6 connectors and higher efficiency ratings. These alternatives provide full modularity and dedicated wattage capacities ranging from 750W to 1000W. The selected products overlap with the original in form factor and purpose, offering streamlined power delivery. They eliminate complex wiring while supporting modern graphics cards. This approach simplifies cable management and ensures stable power distribution for high-draw components.
Our top pick: Optimal Shop 24-Pin Dual PSU ATX Adapter Cable.
How alternatives differ from adapter
MSI MAG 850W Fully Modular ATX Power Supply
The MSI MAG 850W replaces the dual-PSU adapter with a single 850W unit. You gain ATX 3.1 compliance and a PCIe 5.1 12V-2x6 connector for modern graphics cards. The fully modular design simplifies cable management compared to the adapter’s fixed 12.6-inch cable. You lose the ability to run two separate power supplies, but you gain a 10-year warranty and 80 Plus Gold efficiency. This option suits single-unit gaming builds where you do not need multi-GPU mining synchronization. It offers a cleaner, more reliable power path without the complexity of bridging two units.
Corsair RM850x Shift 850W White ATX Power Supply
The Corsair RM850x Shift provides 850W in a compact 5.91 by 3.39 by 6.3-inch frame. It supports ATX 3.1 and PCIe 5.1, eliminating the need for the Optimal Shop adapter’s motherboard bridge. You get full modularity and 80 Plus Gold efficiency in a single enclosure. The white finish suits specific aesthetic builds, whereas the adapter is black. You give up dual-PSU redundancy, but you gain a streamlined, modern power solution. This choice fits users who need efficient power delivery for modern GPUs without the bulk of a dual-supplier setup. It is ideal for white-themed cases requiring compact dimensions.
Corsair RM1000x 1000W ATX 3.1 PSU
The Corsair RM1000x delivers 1000W of power in a single ATX 3.1 unit. It features a PCIe 5.1 12V-2x6 connector, removing the need for the adapter’s synchronization cable. The fully modular design and compact 3.39 by 5.91 by 2.3-inch size offer flexibility. You sacrifice the ability to use two power supplies, but you gain higher wattage and native modern connector support. This unit is best for high-draw systems that require more than 850W. It provides a straightforward, single-unit alternative to complex dual-PSU configurations, ensuring stable power for demanding components without additional wiring complexity.
Corsair RM1000x Shift 1000W Power Supply
The Corsair RM1000x Shift offers 1000W with ATX 3.0 support and 80 Plus Gold efficiency. Its side-modular interface differs from the adapter’s fixed cable, requiring specific case clearance. You get a fully modular design in a 5.91 by 5.08 by 7.09-inch frame. You lose the dual-PSU synchronization feature, but you gain native ATX 3.0 compatibility. This option suits builds needing high capacity with modern power standards. It eliminates the adapter’s need to bridge two units, providing a cleaner power delivery path. Choose this if your case accommodates side-facing connectors and you require 1000W in a single enclosure.
Corsair RM850x 850W Fully Modular ATX 3.1 PSU
The Corsair RM850x 850W ATX 3.1 unit provides Cybenetics Gold efficiency in a single enclosure. It includes a PCIe 5.1 12V-2x6 connector, removing the need for the Optimal Shop adapter. The fully modular design and compact 3.39 by 5.91 by 2.3-inch size simplify installation. You give up dual-PSU redundancy, but you gain modern power delivery standards. This choice fits modern single-PSU 850W builds that prioritize efficiency and cable management. It offers a reliable, streamlined power solution without the complexity of synchronizing two separate units through a motherboard adapter. It is ideal for users upgrading to ATX 3.1 systems.
Corsair RM750x Shift White 750W ATX Power Supply
The Corsair RM750x Shift White delivers 750W with ATX 3.1 and PCIe 5.1 support. Its side-access cabling differs from the adapter’s fixed 12.6-inch cable, requiring case compatibility. You get a fully modular design and 80 Plus Gold efficiency in a 5.91 by 3.39 by 6.3-inch frame. You lose the dual-PSU synchronization capability, but you gain a modern, single-unit power solution. This option suits mid-range systems where case clearance allows for side-facing connectors. It eliminates the need for dual-supply adapters, providing a cleaner and more efficient power path for medium-to-high-power builds.
Quick picks
Our 7 picks
Optimal Shop 24-Pin Dual PSU ATX Adapter Cable
Best for: dual-PSU multi-GPU mining and gaming setups
- Form Factor
- ATX
View on Amazon: Optimal Shop 24-Pin Dual PSU ATX Adapter Cable Affiliate link
The Optimal Shop 12.6-Inch Dual PSU Adapter Cable lets you connect two ATX power supplies to a single motherboard so both units turn on and off simultaneously. Designed with a 12.6-inch length, this black cable supports both 20-pin and 24-pin ATX motherboards. It suits you if you need to run a secondary power supply dedicated to powering multiple graphics cards for cryptocurrency mining motherboards or dual-PSU gaming setups.
Pros
- Powers on two ATX power supplies simultaneously via one motherboard
- Compatible with both 20-pin and 24-pin ATX motherboards
- Enables adding a secondary PSU to power multiple graphics cards
- 12.6-inch cable length provides reach between units
Cons
- Fixed 12.6-inch length limits placement distance between power supplies
- Adapter cable only with no independent power delivery capability
Good fit if
- You need to synchronize power switching across two ATX power supplies.
- You run a multi-GPU mining motherboard or dual-PSU gaming configuration.
- You use a 20-pin or 24-pin ATX motherboard.
Skip if
- You prefer a single high-wattage power supply instead of managing two units.
- You require a connection span longer than 12.6 inches inside your chassis.
Verdict: Optimal Shop 12.6-Inch Dual PSU Adapter Cable synchronizes two ATX power supplies through a single 20-pin or 24-pin motherboard header. It provides a direct hardware link for multi-GPU setups without requiring manual secondary PSU activation.
MSI MAG 850W Fully Modular ATX Power Supply
Best for: single-unit modern gaming PC 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
This ATX power supply delivers 850W of continuous output with an 80 Plus Gold efficiency rating. Instead of running dual power supplies with adapter cables, you get native ATX 3.1 compliance and a dedicated 12V-2x6 connector for PCIe 5.1 hardware. The fully modular design lets you attach only the cables you need. It suits you if you want a clean, single-unit setup for modern gaming components backed by a 10-year warranty.
Pros
- 850W output with 80 Plus Gold efficiency
- ATX 3.1 compliant with native PCIe 5.1 12V-2x6 connector
- Fully modular cable configuration
- 10-year warranty coverage
Cons
- 850W capacity provides less overhead than 1000W units
- Efficiency rated at 80 Plus Gold rather than Platinum
Good fit if
- You want a single 850W supply instead of wiring two PSUs together.
- You build with current graphics cards requiring a 12V-2x6 power connection.
- You prefer fully modular cabling to minimize case clutter.
Skip if
- You need 1000W or higher capacity for extreme power demands.
- You require an efficiency rating beyond 80 Plus Gold.
Verdict: MSI MAG 850W ATX 3.1 Power Supply replaces dual-PSU adapter setups with a dedicated 850W single-unit solution. Its ATX 3.1 support, PCIe 5.1 12V-2x6 connector, and 10-year warranty make it a dependable modern choice.
Corsair RM850x Shift 850W White ATX Power Supply
Best for: Modern GPUs and white 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
This Corsair unit delivers 850W of power with ATX 3.1 compliance and PCIe 5.1 support. It features fully modular cabling and 80 Plus Gold efficiency. The side-exit design keeps cables tidy. It suits builders who want high efficiency and modern connector standards without excess bulk.
Pros
- 80 Plus Gold efficiency rating
- ATX 3.1 standard support
- PCIe 5.1 connector ready
- Fully modular cable design
- Compact 5.91-inch width
Cons
- White color limits stealth builds
- Heavier at 3.75 pounds
- No mention of zero-RPM fan mode in specs
Good fit if
- You need PCIe 5.1 for new GPUs
- You prefer white internal components
- You want fully modular cabling
Skip if
- You require black components only
- You need ATX 3.0 only
- You want a lighter unit
Verdict: Corsair RM850x Shift 850W ATX 3.1 fits users needing modern PCIe 5.1 support and efficient power delivery in a compact white chassis.
Corsair RM1000x 1000W ATX 3.1 PSU
Best for: high-draw setups needing native 12V-2x6 power
- 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 unit is a 1000W ATX power supply designed for high-demand setups. It delivers full modularity, allowing you to connect only the cables you need. Built with ATX 3.1 compliance, it includes a native 12V-2x6 connector for PCIe 5.1 hardware alongside a Cybenetics Gold efficiency rating. If you prefer running a single high-capacity power supply rather than splitting your load across dual units, this model suits your build.
Pros
- 1000W capacity handles high-draw hardware
- ATX 3.1 compliant with PCIe 5.1 support
- Dedicated 12V-2x6 power connector
- Cybenetics Gold efficiency rating
- Fully modular cable design
Cons
- Weighs 6.88 pounds
- Available only in black
Good fit if
- You want a single 1000W supply instead of managing dual power units.
- You need native ATX 3.1 and PCIe 5.1 support with a 12V-2x6 connector.
- You prefer fully modular cabling to minimize internal case clutter.
Skip if
- You need a lower-wattage supply for modest hardware demands.
- You require a white power supply to match your case theme.
Verdict: Corsair 1000W Fully Modular ATX Power Supply delivers high-capacity ATX 3.1 power with modern PCIe 5.1 connectivity. It provides a straightforward single-unit alternative to complex dual-PSU configurations.
Corsair RM1000x Shift 1000W Power Supply
Best for: ATX 3.0 builds needing 1000W capacity
- 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 ATX power supply. It complies with ATX 3.0 and PCIe 5.0 standards, eliminating the need to bridge two separate power supplies for modern hardware. It features an 80 Plus Gold efficiency rating and a modular side interface. You get 7.09 inches of length in a black chassis, fitting builders who need high single-unit capacity.
Pros
- 1000W output with 80 Plus Gold efficiency
- ATX 3.0 and PCIe 5.0 compliant
- Fully modular layout with side interface
Cons
- 7.09-inch length requires clearance in tight cases
- Side connector layout requires dedicated chassis clearance
Good fit if
- You need 1000W of power for high-demand components.
- You want ATX 3.0 and PCIe 5.0 compliance without dual-PSU setups.
- You prefer side-facing modular connectors for cabling.
Skip if
- You have a small case that cannot accommodate a 7.09-inch length.
- You do not have side clearance next to the power supply bay.
Verdict: Corsair RM1000x Shift 1000W ATX 3.0 PSU delivers 1000W of 80 Plus Gold power with native ATX 3.0 support. Its side modular interface streamlines cable management in cases with adequate clearance.
Corsair RM850x 850W Fully Modular ATX 3.1 PSU
Best for: modern single-PSU 850W ATX 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 850W ATX 3.1 Power Supply gives you a single-unit alternative to running dual power supplies with adapter cables. It provides 850W of output, Cybenetics Gold efficiency, and full modularity to keep your case interior clean. With native ATX 3.1 compliance and a 12V-2x6 connector, this unit suits you if you run modern PCIe 5.1 graphics cards on a reliable single ATX power supply.
Pros
- ATX 3.1 and PCIe 5.1 compliant
- Native 12V-2x6 connector
- Cybenetics Gold efficiency rating
- Fully modular cable design
Cons
- 850W capacity limits headroom for multi-GPU configurations
- ATX form factor incompatible with SFX-only enclosures
Good fit if
- You want a single 850W supply instead of wiring secondary units together.
- You run hardware that requires a native 12V-2x6 PCIe 5.1 connection.
- You need fully modular cables to simplify routing.
Skip if
- You need 1000W or more for high-draw multi-card configurations.
- You require an SFX or compact power supply form factor.
Verdict: Corsair RM850x 850W ATX 3.1 Power Supply provides modern ATX 3.1 and PCIe 5.1 power delivery in a single enclosure. It eliminates the need for dual-supply adapter wiring while maintaining Cybenetics Gold efficiency.
Corsair RM750x Shift White 750W ATX Power Supply
Best for: mid-range systems in side-cable-compatible cases
- 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 provides 750W of continuous power with an 80 Plus Gold efficiency rating. It features side-mounted modular connectors using Type 5 micro-fit cables, making cable access easier in compatible cases. It meets ATX 3.1 and PCIe 5.1 standards to handle transient power spikes from modern graphics hardware. This unit suits you if you want a clean single-supply setup instead of linking dual units, provided your chassis has side-panel cable clearance.
Pros
- ATX 3.1 and PCIe 5.1 certified for modern hardware standards
- Side-mounted modular panel with compact Type 5 micro-fit connectors
- 140mm fluid dynamic bearing fan with Zero RPM mode
- 100% Japanese 105°C electrolytic capacitors
- 80 Plus Gold certified efficiency
Cons
- 750W maximum output offers less headroom than 850W or 1000W options
- Side connector layout requires specific clearance behind the chassis tray
- Uses Corsair Type 5 micro-fit cables incompatible with standard Type 4 cables
Good fit if
- You need a single 750W supply compliant with ATX 3.1 and PCIe 5.1.
- You have a PC chassis with adequate side-panel clearance for side-mounted connectors.
- You want a white-colored fully modular unit with a 140mm quiet fan.
Skip if
- You run multi-GPU or high-draw components requiring 850W or 1000W output.
- You have a compact case lacking lateral space beside the power supply mount.
Verdict: Corsair RM750x Shift White 750W Modular PSU delivers modern ATX 3.1 compliance and easy side-access cabling for medium-to-high-power single-PSU builds. It eliminates the need for dual-supply adapters if your chassis accommodates the side-facing connector layout.
Specifications side by side
| Spec | Optimal Shop 24-Pin Dual PSU ATX Adapter 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 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 | 12.6 inches | 850W (PCIE 5) | 850W | 1000W | 1000W | 850W | 750W |
| Dimensions | not stated | 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 stated | not stated | 3.75 pounds | 6.88 pounds | 4.2 pounds | 3.9 pounds | 3.75 pounds |
| Color | Black | not stated | White | Black | Black | Black | White |
| Model | Optimal Shop | not stated | not stated | not stated | not stated | not stated | CP-9020273-NA |
You can evaluate midea 24 alternatives to compare hardware specifications across other multi-unit power distribution setups.
Frequently asked questions
Is the Optimal Shop 24-Pin Dual PSU ATX Adapter Cable worth using for mining?
It is a strong choice for multi-GPU mining and gaming setups. The cable synchronizes two ATX power supplies through a single motherboard header. It provides a direct hardware link without requiring manual activation of the secondary unit. The 12.6-inch length offers flexibility in tight cases.
What is the best budget alternative to a dual PSU adapter?
The MSI MAG 850W is the top budget pick. It replaces the adapter with a single 850W unit that supports ATX 3.1 standards. You get a PCIe 5.1 12V-2x6 connector for modern graphics cards. Its fully modular design simplifies cable management compared to fixed adapter wiring.
Which power supply is best for white builds with modern GPUs?
The Corsair RM850x Shift is ideal for white builds. It delivers 850W of power with ATX 3.1 and PCIe 5.1 support. The white color fits aesthetic-focused builds. Its compact dimensions make it suitable for smaller chassis that need efficient power delivery for modern graphics cards.
How does the Corsair RM1000x compare to the Optimal Shop adapter?
The Corsair RM1000x offers a high-capacity single-unit alternative. It provides 1000W of power with ATX 3.1 compliance and native PCIe 5.1 connectivity. This eliminates the complexity of dual-PSU configurations. It is best for high-draw setups needing robust, native 12V-2x6 power delivery.
Is the Corsair RM1000x Shift good for ATX 3.0 builds?
Yes, it is the best ATX 3.0 option here. It delivers 1000W of 80 Plus Gold efficiency with native ATX 3.0 support. The side modular interface streamlines cable management. It is a solid choice for builds requiring 1000W capacity in cases with adequate clearance for the side-facing layout.
What is the best 750W option for mid-range systems?
The Corsair RM750x Shift White is the top 750W choice. It delivers modern ATX 3.1 compliance and PCIe 5.1 support. The side-access cabling simplifies management in compatible cases. It eliminates the need for dual-supply adapters for medium-to-high-power single-PSU builds in mid-range systems.
Does the Corsair RM850x 850W ATX 3.1 need an adapter?
No, it eliminates the need for dual-supply adapter wiring. This power supply provides modern ATX 3.1 and PCIe 5.1 power delivery in a single enclosure. It maintains Cybenetics Gold efficiency. It is designed for modern single-PSU 850W ATX builds that require clean, efficient power.