The Cooler Master GX III 650W 80+ Gold Modular Power Supply (MPX-6503-AFAG-BAU) is a premium power unit built to meet modern desktop and mid-range build parameters. It delivers 650 watts of stable, continuous power optimized specifically for next-generation system demands.
This unit integrates an advanced ATX 3.0 platform featuring certified energy performance to minimize operating heat, reduce energy waste, and ensure stable power delivery. Equipped with fully modular flat cabling, high-quality Japanese capacitors, and an intelligent cooling layout, it maintains stable voltages across demanding system thresholds.
Key Features & Specifications
80 Plus Efficiency: certified rating (Bronze/Gold/Platinum/Titanium) for reduced heat and improved power usage.
Modular Cabling: fully modular, semi‑modular, or fixed cables depending on the model for cleaner airflow.
Low-Noise Cooling: quiet fan design such as FDB, hydraulic bearing, or zero‑RPM mode.
Comprehensive Protections: includes OVP, OPP, SCP, UVP, OTP, and OCP for safe and stable operation.
The Computer Guy Charmhaven Advantage
In-Store Advice: We can help you choose the correct wattage, confirm GPU connector compatibility, and ensure your case supports the PSU’s form factor and cable lengths.
Local Support & Advice: Our Charmhaven technicians can assist with cable routing, load balancing, and verifying correct EPS/PCIe power connections.
$169.00
In stock
%20Specs.webp)
| Weight | 2.8 kg |
|---|---|
| Dimensions | 32 × 20 × 13 cm |
Important Product Information
Compatibility: Ensure your case supports the PSU’s form factor (ATX/SFX) and that cable lengths suit your chassis layout.
Local Support: Our team can advise on installation, cable management, and selecting the right wattage for future upgrades.
Specifications Table
| Feature | Specification |
| Model Number | MPX-6503-AFAG-BAU |
| Form Factor | ATX |
| Wattage | 650W |
| 80 Plus Rating | Gold |
| Modular Type | Fully Modular |
| Fan Type | HDB |
| Fan Size | 120mm |
| Input Voltage | 100V – 240V |
| Protections | OPP, OVP, OTP, OCP, SCP, UVP, Surge and Inrush Protection |
| Cable Type | Flat Ribbon |
| Cable Lengths | ATX 24-Pin (610mm), EPS 4+4 Pin (600mm), EPS 8-Pin (600mm), PCIe 6+2 Pin (550mm), 12VHPWR (650mm), SATA (500+120+120+120mm) |
| Connector Count | 1x ATX 24-Pin, 1x EPS 4+4 Pin, 1x EPS 8-Pin, 2x PCIe 6+2 Pin, 1x 12VHPWR (12+4 Pin, 300W), 8x SATA, 4x Peripheral 4-Pin |
| Efficiency | ≥90% @ Typical Load (80 PLUS Gold Certified) / Cybenetics Platinum |
| What’s Included | PSU, modular cables, native 90-degree 12VHPWR cable, screws, manual |
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