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Small black control box with SATA power connector and three output headers

WRIARICH

WRIARICH 12V to 5V RGB Converter, 3-Way Splitter, SATA, 50 Modes, 100 LEDs

SKU CH-QJY0-WAKCE

Converts 12V RGB signals to 5V ARGB, powers up to 100 LEDs via SATA, and offers 50 built-in colour modes

  • Rated input current3 A
  • Mounting stylePCB Mount
  • Current rating3 A
  • Plug typePCB Mount
  • Key featuresPCB Mount
  • Converts 12V RGB to 5V ARGB for motherboard control
  • Built-in 50 colour modes with hold-to-sync button
  • 3-way splitter extends ARGB device connections
  • SATA-powered converter handles up to 100 5V LEDs
  • 3 A current rating protects connected components

12V to 5V RGB Converter with SATA Power

This converter lets a motherboard with a 12V 4-pin RGB header control 5V 3-pin ARGB devices. It includes a mini control box that offers 50 built-in colour modes and a hold function to sync with the 12V motherboard signal. The unit draws power from a SATA connector and provides a 3-way splitter for connecting multiple ARGB strips or fans. It is suited for builders who want to add addressable lighting without a dedicated 5V header.

Thermals Noise and Power Draw

The device operates as a voltage transformer stepping 12V down to 5V and is rated for a maximum current of 3 amps. It supports up to 100 5V ARGB LEDs within that limit. Because it has no active cooling, it runs silently and adds negligible heat to the system. Power is supplied entirely through the SATA connection, so no extra cables are required.

Sustained Load Behaviour

Under continuous use the converter maintains the 5V output as long as the attached LEDs stay within the 3A ceiling. The manufacturer notes that colour accuracy may vary on some motherboards; mixed colours such as orange or yellow might not display correctly and colour cycling may not be perfectly smooth. It cannot drive more than 100 LEDs or exceed the current rating, so builders needing larger ARGB arrays should look elsewhere.

Specifications

Product
Brand nameMilwaukee
Model nameUS-12 V to 5 V Controller
Power
Rated input current3 A
Current rating3 A
More details
Mounting stylePCB Mount
Plug typePCB Mount

Questions about this item

How do I connect the SATA power and 12V RGB header, and which step causes the LEDs to stay dark?

Plug the SATA cable into a PSU connector, attach the 12V 4-pin motherboard header, then link up to three 5V ARGB strips via the splitter; forgetting the SATA power is the step that leaves all LEDs unlit.

What ongoing care does the controller and its 100 LED limit require?

No scheduled maintenance is needed; just keep the total attached 5V ARGB LEDs at or below 100 and the draw under 3 A so the unit does not overheat or shut down.

At what point does the 3 A current ceiling appear during continuous operation?

The 3 A limit is reached first when the combined 5V ARGB load exceeds that value, causing the converter to trip or dim the 100 LEDs to protect itself.

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