FREE SHIPPING ON ALL ORDERS OVER $300

Cooler Master GX III Gold 850 power supply unit 850 W 24-pin ATX ATX Black

SKU
MPX-8503-AFAG-BAU
-36%
Special Price $260.59 Regular Price $407.88
In stock
850 W, APFC, 135 mm, 1900 RPM, ATX 24 Pin, 3x PCI-e 6+2 Pin, 8x SATA, 10-5 A, 50/60 Hz, 100-240 V, 160 x 150 x 86 mm
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, lower temperatures, and improved safety.

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.

CERTIFIED EFFICIENCY

80 Plus Gold and Cybenetics Platinum certifications indicate achievement of more than 90% efficiency at typical loads. This Gold certified unit can also achieve Titanium level efficiency under general light load usage in a 115V test.

SILENT FAN PERFORMANCE
WITH A ZERO-RPM MODE

This unit has received a Cybenetics A- noise level certification and 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

Need help choosing the right power supply for your system?
Try out our comprehensive and easy-to-use PSU calculator.
SKU MPX-8503-AFAG-BAU
EAN 4719512136386
Specification
Cooling
Fan diameter13.5 cm
Number of fans1 fan(s)
Fan speed0 - 1900 RPM
Cooling typeActive
Performance
On/off switchYes
Power supply unit (PSU) form factorATX
80 PLUS certification80 PLUS Gold
PurposePC
ATX version3.0
Bearing technologyHDB
Mean time between failures (MTBF)100000 h
Design
80 PLUS certification80 PLUS Gold
Product colourBlack
Fan diameter13.5 cm
On/off switchYes
Number of fans1 fan(s)
Fan speed0 - 1900 RPM
Cooling typeActive
Power
Total power850 W
AC input voltage100 - 240 V
AC input frequency50/60 Hz
Input current10 - 5 A
Power Factor Correction (PFC) typeActive
Combined power (+3.3V)120 W
Combined power (+12V)849.6 W
Combined power (+5V)120 W
Combined power (-12V)3.6 W
Combined power (+5Vsb)15 W
Max output current (+3.3V)20 A
Max output current (+12V)70.8 A
Max output current (+5V)20 A
Max output current (-12V)0.3 A
Max output current (+5Vsb)3 A
Power protection featuresOver power, Overheating, Over voltage, Under voltage, Over current, Short circuit
Hold time16 ms
Efficiency90%
Ports & interfaces
Motherboard power cable length61 cm
SATA power cable length120,500 mm
Peripheral (Molex) power cable length120,500 mm
PCI Express power cable length55 cm
Motherboard power connector24-pin ATX
Number of SATA power connectors8
Peripheral (Molex) power connectors (4-pin)4
EPS power connector (8-pin)Yes
PCI Express power connectors (6+2 pin)3
ATX Power connector (24-pin)Yes
Cabling typeFully-Modular
EPS power connector (4+4 pin)Yes
Operational conditions
Operating temperature (T-T)0 - 50 °C
Weight & dimensions
Width150 mm
Depth160 mm
Height86 mm
Weight2.61 kg
Packaging data
Package width195 mm
Package depth320 mm
Package height125 mm
Package typeBox
Package weight3 kg
Technical details
Sustainability certificatesErP
Compliance certificatesRoHS, Federal Communications Commission (FCC), cTUVus, BSMI, UKCA, EAC, CCC, CE
Certificates
80 PLUS certification80 PLUS Gold
Manufacturer Cooler Master
In Stock Y