Cooler Master LED Controller A1 - Addressable Gen 2 ARGB
PC RGB Lighting Control, ARGB Ecosystem Expansion, Case Lighting Customization, PC Building and Modding
Overview
The Cooler Master LED Controller A1 (Addressable Gen 2 ARGB) is a compact, standalone RGB lighting controller that eliminates the need for an ARGB-capable motherboard. It features 4 independent 5V Addressable RGB (3-pin) ports and 1 standard 12V RGB (4-pin) port, supporting up to 80 individually addressable LEDs per ARGB channel for a combined total of 240 LEDs. Powered by SATA and controlled via Micro USB 2.0 to the motherboard's internal USB header, it pairs with Cooler Master's MasterPlus+ software for granular per-LED customization. The included accessory kit provides all necessary cables for seamless integration with both Gen 2 and standard ARGB devices, making it ideal for PC builders who want full RGB control without upgrading their motherboard.
Key Highlights
- 4 independent Addressable RGB (5V 3-pin) ports plus 1 standard RGB (12V 4-pin) port, supporting up to 240 total LEDs (80 per ARGB port)
- Works with Cooler Master MasterPlus+ software for per-LED color, effect, and brightness customization across all channels
- Gen 2 ARGB compatible with backward compatibility for standard ARGB devices — supports both 5V addressable and 12V RGB ecosystems
- Compact form factor (84.7 x 51.7 x 15.3 mm) powered by SATA connection with 4.5A max total current, no motherboard ARGB header required
- Plug-and-play setup with included cables: 4x ARGB 3-pin connectors, 1x RGB 4-pin connector, USB header adapter, and motherboard signal wire
Technical Specifications
| Brand | Cooler Master |
|---|---|
| Model | Cooler Master LED Controller A1 - Addressable Gen 2 ARGB |
| LED Channels | 4x Addressable RGB (5V 3-pin) + 1x Standard RGB (12V 4-pin) |
| Max LEDs | 240 total (80 per ARGB port) |
| Max Current | 4.5A total (2.0A per port) |
| Voltage | 5V DC |
| Power Connector | SATA |
| RGB Support | Addressable RGB 5V 3-pin (WS2812B/ARGB) + Standard RGB 12V 4-pin |
| Control Interface | Micro USB 2.0 (internal motherboard USB 2.0 header) |
| Software | MasterPlus+ (Windows 10/11) |
| Material | Plastic |
| Color | Black |
| Weight | 90 g (0.2 lbs) |
| Dimensions | 84.7 x 51.7 x 15.3 mm |
| Warranty | 2 Years |