# Cooler Master MasterWatt Lite, 80+ Certified 500W ATX Power Supply

- Category: Power Supply
- Brand: Cooler Master
- Model: MasterWatt Lite 500W
- Part number: MPX-5001-ACAAW-US
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.6/5 from 168 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/power-supply/cooler-master-masterwatt-lite-500w-mpx-5001-acaaw-us/

## Description

n/a

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Cooler Master |
| Model | MasterWatt Lite 500W |
| Power | 500 W |
| Efficiency | 80+ |
| Color | Black |
| Form Factor | ATX |

## Key Features

- Advanced circuit design with active PFC, and Dual forward topology for more stable power
- Compliant to ErP 2013 Lot6 for less than 1W sleep and system standby power consumption
- 80 plus standard certification Certified to the most stringent international standards in its Class
- Full protection (OCP/OVP/UVP/SCP/OPP/OTP) to minimize risk from power outages
- Silent & durable HDB fan operates at a tested higher lifecycle than standard Sleeve Bearing components

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