BAY Direct 2-Pack Add2PSU Multiple Power Review: Specs, Pros and Cons

What stands out

• Converts 24-pin ATX to 4-pin Molex for legacy device support
• Compact dimensions of 2.76 x 1.18 inches for easy installation
• Solid-state PC board for efficient power distribution
• Includes two adapters in a single package
• Lightweight design at 1.13 ounces

Who it fits

Key specs for this adapter

ATX 24Pin to Molex 4Pin

This adapter converts a standard 24-pin ATX power connector into a 4-pin Molex output. You can use this to power older devices that still require Molex connectors, such as legacy hard drives or case fans. This allows you to utilize unused pins on your main power supply without needing additional cables or adapters, simplifying your internal wiring setup.

Small size (L*W)7*3cm/2.76"*1.18"

The compact physical dimensions allow the adapter to fit in tight spaces within your PC case. This is useful for building in smaller cases or managing cable clutter. You can route the adapter easily without it obstructing airflow or other components. When shopping, check your case dimensions to ensure this size fits comfortably near your power supply unit.

Non-heat generating solid state PC board

The internal circuitry uses solid-state components that do not generate significant heat during operation. This improves safety and reliability by reducing thermal stress on the adapter and nearby components. You do not need to worry about the device becoming hot to the touch. This contrasts with resistive adapters that can warm up, making this a safer choice for continuous use.

Plug and play simplicity

You do not need to install drivers or perform complex configuration to use this adapter. Simply connect the ATX 24-pin connector to your power supply and the Molex 4-pin to your device. This straightforward setup saves time and reduces the risk of connection errors. It is ideal for users who want a quick solution without technical hurdles.

2-Pack

The package includes two identical adapters, allowing you to power two separate Molex devices simultaneously. This is convenient if you have multiple legacy components that need power from a single ATX connector. You save space and effort by using a single source for both devices. Consider your total Molex needs to determine if this quantity meets your requirements.

Design and Build Overview

According to the listing, this adapter features a compact form factor measuring 7 by 3 centimeters, or roughly 2.76 by 1.18 inches. This small physical footprint allows you to install the unit in tight spaces within your PC case without obstructing airflow or other components. The design prioritizes minimal intrusion, making it suitable for systems where cable management is critical and space is limited. You can position it near the source connector to keep internal wiring tidy.

The internal construction utilizes a solid-state PC board that does not generate significant heat during operation. This approach optimizes power distribution for connected devices such as video cards, hard drives, and cooling fans. The absence of heat generation suggests stable performance under typical loads. The unit weighs 1.13 ounces, contributing to a lightweight overall package that does not add noticeable bulk to your system's interior. This light weight makes it easy to secure or tuck away within your chassis.

Installation relies on a straightforward plug-and-play mechanism. You connect a 4-pin Molex main power connector and a 24-pin ATX connector from your power supply to the adapter. The listing notes that you must identify the correct direction when plugging into the device. Opposite direction or offset connections are not allowed and may damage your device. You should hold the socket firmly while plugging in to ensure a secure connection. This simple layout requires no software or complex setup, allowing you to expand your power connections quickly and efficiently.

Setup And Everyday Use Guide

Setting up the BAY Direct Add2PSU 2-Pack Adapter is designed to be straightforward. The listing emphasizes plug and play simplicity, which suggests you do not need complex configuration or additional software. To install it, you connect the adapter’s 4-pin Molex main power connector to your device. Then, you plug the 24-pin ATX connector from your power supply into the adapter’s input side. This creates a direct power path from your standard ATX source to legacy equipment that requires Molex connections.

The physical size of the adapter is 7 by 3 centimeters, or 2.76 by 1.18 inches. This compact footprint allows you to route the cable in tight spaces within your PC case without obstructing airflow or other components. The unit weighs only 1.13 ounces, making it negligible in terms of added weight inside your system.

In daily use, the adapter manages additional power for components like video cards, hard drives, and cooling fans. It utilizes a non-heat generating solid-state PC board to optimize power distribution. This design choice implies that the unit remains cool during operation, which is important for internal components. However, you must identify the correct direction when plugging into the device. The listing warns that opposite direction or offset connections are not allowed. If you force a connection incorrectly, you risk damaging your device. Always hold the socket firmly and plug it in carefully to ensure a secure and safe connection every time you use it.

Before you buy this adapter

You should verify that your target device accepts Molex power before purchasing. This adapter only provides one 4-pin output per unit. Since it comes in a 2-pack, you can power two separate legacy components. Ensure your motherboard has free 24-pin connectors available for splitting. The listing notes that the adapter does not generate significant heat due to its solid-state board. However, you must handle the plugs carefully to avoid damage. Do not force connections or plug them in backwards. This product is strictly for internal PC use. It does not replace a full power supply unit. You should keep it in a dry place away from direct sunlight. Check your case space to ensure the small 7 by 3 centimeter footprint fits without blocking airflow. This adapter is best for users with older drives or fans that still need Molex connections. It is not suitable for modern high-power components like GPUs.

Check before you buy

• Confirm your device uses a Molex 4-pin connector.
• Check for free 24-pin ATX connectors on your motherboard.
• Ensure your case has space for the small adapter size.
• Verify the device does not require high power draw.

The product at a glance

1

BAY Direct Add2PSU 2-Pack Adapter

Best for: adding Molex power to legacy drives

Form Factor

ATX

Weight

1.13 ounces

View on Amazon: BAY Direct Add2PSU 2-Pack Adapter Affiliate link

This BAY Direct 2-pack converts 24-pin ATX power to 4-pin Molex connectors for your components. The solid-state design avoids heat generation while distributing power to video cards, hard drives, and fans. Each unit measures 2.76 by 1.18 inches and weighs just 1.13 ounces. You get two adapters for easy setup. This compact solution fits well in tight cases where standard cables fall short.

Pros

• Converts 24-pin ATX to 4-pin Molex power
• Solid-state board prevents heat generation
• Compact 2.76 by 1.18 inch size
• Includes two adapters per pack

Cons

• Requires careful alignment during plug-in
• No included extension cables
• Limited to 4-pin Molex devices only

Good fit if

• You need extra Molex power for older drives
• You have a case with unused ATX connectors
• You want a compact adapter that fits anywhere

Skip if

• You need SATA power connections
• You require PCIe power for high-end GPUs
• You prefer standard modular cables

Verdict: BAY Direct Add2PSU ATX to Molex Adapter is a practical solution for adding Molex power to legacy components. It suits users who need reliable power distribution in compact builds without worrying about heat output.

Specifications side by side

Frequently asked questions

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