# Razer Katana Power Supply aRGB PSU: Silent, Powerful aRGB 140mm PWM Fan

- Category: Power Supply
- Brand: Razer
- Model: RC21-01840400-R3UT
- Part number: RC21-01840400-R3UT
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.3/5 from 10 Amazon reviews
- Warranty: 5 year
- Product page: https://buildmypc.net/component-details/power-supply/razer-rc21-01840400-r3ut/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Razer |
| Model | RC21-01840400-R3UT |
| Power | 1200 W |
| Efficiency | 80+ Platinum |
| Color | Black |
| Form Factor | ATX |

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