
Cooler Master MPX-6503-AFAG-BAU GX III Gold 650W 80+ Gold Fully-Modular ATX 3.0 Power Supply
Cooler Master · Austin Computers
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Last seen $189 on 9 Aug 2026
Out of stock at Austin Computers — last seen $189 on 9 Aug 2026.
Out of stock at Austin Computers as of 9 Aug 2026. Prices change — confirm on the store's page before buying.
Price history
We started tracking this on 7 Aug 2026 and have recorded a single price so far. The chart appears once we've seen the price move.
Description
GX III Gold 650
STRENGTH IN ELEGANCE
Innovative, streamlined design ATX 3.0 support & a 90-degree 12VHPWR cable Optimized and silent thermal performance Titanium efficiency at light loads Fully modular cabling 10-year warranty
overview
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Specifications
STRENGTH IN ELEGANCE
Cooler Master presents the GX III Gold featuring exceptional efficiency, low noise output, and superb reliability.
Innovative, streamlined design
The innovative design streamlines the overall aesthetic of the unit and greatly improves airflow.
ATX 3.0 support & a durable 90-degree 12VHPWR cable
Includes ATX 3.0 support and a 90-degree 12+4pin (12VHPWR) PCIe 5.0 connector featuring higher electrical durability, improved safety, and capable of bringing up to 300W to your GPU.
*All performance stats confirmed in 25°C ambient temperature testing.
Optimized thermal performance
An anodic-coated heat sink keeps average temperatures 5℃ lower than a traditional heat sink for enhanced durability and a prolonged life span.
*All performance stats confirmed in 25°C ambient temperature testing.
80 PLUS GOLD & CYBENETICS PLATINUM CERTIFIED EFFICIENCY
80 Plus Gold and Cybenetics Platinum certifications indicate achievement of more than 90% efficiency at typical loads. The 80 Plus Gold certified unit can also achieve Titanium level efficiency at light loads in a 115V test.
SILENT FAN PERFORMANCE WITH A ZERO-RPM MODE
This unit includes a smart thermal control mode that defaults to zero spin.
Fully modular cabling
Modular cabling reduces clutter, increases airflow, and improves overall thermal performance.
PSU calculator
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More
- Specifications
- Downloads
- EAN / UPC
- TERMS
Specifications
Model MPX-6503-AFAG
ATX Version ATX 12V Ver. 3.0
PFC Active PFC
Input Voltage 100-240V
Input Current 8-4A
Input Frequency 50-60Hz
Dimensions (L x W x H) 160 x 150 x 86 mm
Fan Size 120mm
Fan Bearing HDB
Fan Speed 2000 RPM
Efficiency ≥90% @ Typical Load
80 PLUS Rating 80 PLUS Gold
ErP 2014 Lot 3 Yes
Operating Temperature 0-50°C
Power Good Signal 100 - 150 ms
Hold Up Time 16ms
MTBF 100,000 Hours
Protections OPP, OVP, OTP, OCP, SCP, UVP, Surge and Inrush Protection
Regulatory cTUVus, TUV, CE, FCC, BSMI, CCC, EAC, RCM, UKCA, RoHS2.0 / BIS, KC (based on region's request.)
ATX 24 Pin Connectors 1
EPS 4+4 Pin Connectors 1
EPS 8 Pin Connector 1
SATA Connectors 8
Peripheral 4 Pin Connectors 4
PCI-e 6+2 Pin Connectors 2
12VHPWR Connector 1
Series GX Series
80 Plus Gold
Modular Fully Modular
Category 500 to 750W
Downloads
- Product Sheet
- Manual
- PSU Side PCB Pin Define
EAN / UPC
Cable Type EAN UPC
MPX-6503-AFAG-BUS 4719512135747 884102108068
MPX-6503-AFAG-BUK 4719512135754 884102108075
MPX-6503-AFAG-BEU 4719512135761 884102108082
MPX-6503-AFAG-BST 4719512135778 884102108099
MPX-6503-AFAG-BAU 4719512135785 884102108105
MPX-6503-AFAG-BBR 4719512135792 884102108112
MPX-6503-AFAG-BKR 4719512135808 884102108129
MPX-6503-AFAG-BTW 4719512135815 884102108136
MPX-6503-AFAG-BJP 4719512135822 884102108143
MPX-6503-AFAG-BIN 4719512135839 884102108150
MPX-6503-AFAG-BWO 4719512135846 884102108167
TERMS
Details
- Weight
- 5 kg
- Store
- Austin Computers
- Brand
- Cooler Master
- SKU
- PSU-CM-GXIII650
- Category
- Electronics & Tech
- First tracked
- 7 Aug 2026
- Last checked
- 9 Aug 2026











