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Black adapter cable with 24-pin 20+4 main connector and two 24-pin secondary connectors, 85cm length

myVolts

myVolts Dual PSU Adapter 24Pin 20+4 85cm 2000W

SKU CH-VJX3-C5R77

An 85 cm adapter cable that links two PSUs to one motherboard using 24-pin and 20+4-pin connectors for up to 2000 W

  • TypeAT
  • Connect two PSUs for extra power without upgrading hardware
  • Link up to three PSUs to one motherboard
  • 20+4 pin design works with 24-pin and 20-pin sockets
  • 85 cm thin cable keeps routing tidy and signal stable
  • Rated for systems drawing up to 2000 W

Dual PSU adapter for high-power builds

The myVolts Dual PSU Adapter lets you connect two power supplies to one motherboard using a 24-pin main connector and two 24-pin secondary connectors. It supports a combined load of up to 2000W so that power-hungry graphics cards receive stable current without a single larger unit. The 20+4 pin design works with both 20-pin and 24-pin motherboards. It is not for builders who only need a single PSU or who require more than three units.

Stable delivery under continuous load

The adapter uses a thin-cable design rated for sustained transmission at the full 2000W range, keeping voltage steady during long gaming or rendering sessions. Both secondary units start and stop in sync with the main supply, preventing rail imbalance that can cause GPU frequency drops. The ABS and metal connectors resist heat buildup over extended use. It does not suit systems where the secondary PSU must be switched independently.

Practical limits of the AT interface

The 85cm cable length restricts placement of the secondary PSU to positions within roughly 33.5 inches of the motherboard. Only AT-type power supplies within the 2000W combined ceiling are supported, and the adapter adds no extra PCIe or EPS connectors beyond the 24-pin pathways. It cannot convert a non-redundant PSU into a redundant configuration. It is not for setups that need longer runs or additional connector types.

Highlights

  • Connect two PSUs for extra power without upgrading hardware
  • Link up to three PSUs to one motherboard
  • 20+4 pin design works with 24-pin and 20-pin sockets
  • 85 cm thin cable keeps routing tidy and signal stable
  • Rated for systems drawing up to 2000 W

Specifications

TypeAT

Questions about this item

How much heat or noise does the dual PSU adapter add when the system runs all day?

The adapter is a passive cable with ABS and metal connectors, so it adds no fan noise and negligible heat during continuous operation.

What must I already own for this adapter to work in my build?

You need at least two ATX power supplies with 24-pin outputs and a motherboard that accepts a 20+4 pin main power connector.

Will the 20+4 pin main connector fit an older motherboard that only has a 20-pin socket?

Yes, the 20+4 pin connector is designed to separate so it can be used as a 20-pin plug on legacy boards.

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