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Cooler Master GX III MPX-8503-AFAG

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Cooler Master GX III MPX-8503-AFAG
750 W850 W
Main
Power850 W
Form factorATX
Specs
PFCactive
Efficiency90 %
Cooling systemsemi-passive (fan off)
Fan size135 mm / 1900 rpm /
Fan bearinghydrodynamic
Certification80+ Gold
Cybenetics EfficiencyPlatinum
Cybenetics NoiseA -
ATX12V version3
Power connectors
MB/CPU power supply24+8+8(4+4) pin
SATA8
MOLEX4
PCI-E 8pin (6+2)3
PCI-E 16pin1
Cable systemmodular
Cable length
MB610 mm
CPU600 mm
SATA500 mm / 620/740/860 /
MOLEX500 mm / 620/740/860 /
PCI-E550 mm
Max. power
+3.3V20 А
+5V20 А
+12V170.8 А
-12V0.3 А
+5Vsb3 А
+12V850 W
+3.3V +5V120 W
-12V3.6 W
+5Vsb15 W
General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
ProtectionOTP, OCP, UVP
Manufacturer's warranty10 years
Dimensions (HxWxD)86x150x160 mm
Weight2.61 kg
Official Websitecoolermaster.com
Added to E-CatalogNovember 2023
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Cooler Master 2025 - new arrivals, bestsellers, and the most relevant models Cooler Master.
How to choose a power supply for a PCBasics of choosing a reliable and balanced power supply for your home, office and gaming computer

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Cooler Master GX III Gold 850 power supply unit 850 W 24-pin ATX ATX Black MPX-8503-AFAG-BUK

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. STRENGTH IN ELEGANCE. Cooler Master presents the GX III Gold featuring exceptional efficiency, low noise output, and superb reliability.. Innovative, streamlined design. Th... moree 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 450W to your GPU.. 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.. Power. Power protection features. Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage. Hold time. 16 ms. Efficiency. 90%. Power Good signal delay range. 100 - 150 ms. Max output current (+5Vsb). 3 A. Max output current (-12V). 0.3 A. Max output current (+5V). 20 A. Max output current (+12V). 70.8 A. Max output current (+3.3V). 20 A. Combined power (+5Vsb). 15 W. Combined power (-12V). 3.6 W. Combined power (+5V). 120 W. Combined power (+12V). 849.6 W. Combined power (+3.3V). 120 W. Power Factor Correction (PFC) type. Active. Input current. 5 - 10 A. AC input frequency. 50/60 Hz. AC input voltage. 100 - 240 V. Total power. 850 W. Ports & interfaces. Cabling type. Fully-Modular. PCI Express power cable length. 55 cm. PCI Express power connectors (12+4 pin) cable length. 650 mm. PCI Express power connectors (12+4 pin). 1. PCI Express power connectors (6+2 pin). 3. EPS power connector (4+4 pin). Yes. EPS power connector (8-pin). Yes. Peripheral (Molex) power cable length. 860,740,620,500 mm. Peripheral (Molex) power connectors (4-pin). 4. SATA power cable length. 500,620,740,860 mm. Number of SATA power connectors. 8. Motherboard power cable length. 61 cm. Motherboard power connector. 24-pin ATX. Performance. Mean time between failures (MTBF). 100000 h. Bearing technology. HDB. ATX version. 3.0. 80 PLUS certification. 80 PLUS Gold. Power supply unit (PSU) form factor. ATX. Purpose. PC/Server. Design. Fan speed. 0 - 1900 RPM. Number of fans. 1 fan(s). Fan diameter. 13.5 cm. Cooling type. Active. Product colour. Black. Operational
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Delivery: in United Kingdom
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£136.99

Cooler Master GX III 850W PSU 80 PLUS Gold Fully Modular ATX 3.0 Power Supply - MPX-8503-AFAG-BUK MPX-8503-AFAG-BUK

Cooler Master presents the GX III Gold featuring exceptional efficiency, low noise output, and superb reliability.
Awd-it.co.uk
Delivery: to United Kingdom
Report
£137.99

COOLER MASTER GX III 850W Gold Fully Modular ATX 3.0 PSU MPX-8503-AFAG-BUK

Cooler Master GX III 850W Fully Modular Power Supply Power your high-end PC build with the Cooler Master GX III 850W power supply. Designed for demanding applications, this 80+ Gold certified unit delivers reliable, efficient power for gamers, content creators, and professionals alike. Benefit from its fully modular design for streamlined cable... moremanagement, quiet operation, and cutting-edge compatibility with the latest hardware standards. Features 80+ Gold certified efficiency, reaching near Titanium-level efficiency at light loads for significant energy savings. Fully modular design for clean cable management and improved airflow. Quiet operation thanks to a high-quality 135mm HDB fan and intelligent thermal control. ATX 3.0 and PCIe 5.0 compatible, ensuring seamless integration with the latest motherboards and graphics cards. Robust build quality with an anodic-coated heatsink for enhanced durability and thermal performance. Includes a 90-degree 12VHPWR cable for compatibility with high-power GPUs. Cybenetics Platinum certified for superior performance and reliability. Specifications Brand: COOLER MASTER Model: MPX-8503-AFAG-BUK EAN: 4719512136355 Wattage: 850W Efficiency Certification: 80+ Gold, Cybenetics Platinum Form Factor: ATX Fan Size: 135mm HDB (High-Durability Bearing) Modular Design: Fully Modular Connectors: (Specific connector counts would need to be added here from additional product specifications) Protection Features: (Specific protection features would need to be added here from additional product specifications) Warranty: (Warranty information would need to be added here from additional product specifications)
ICPC computers
Delivery: in United Kingdom
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£144.63

Cooler Master GX III Gold 850 power supply unit 850 W 24-pin ATX ATX Black MPX8503AFABUK

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. STRENGTH IN ELEGANCE. Cooler Master presents the GX III Gold featuring exceptional efficiency, low noise output, and superb reliability.. Innovative, streamlined design. Th... moree 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 450W to your GPU.. 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.. Power. Power protection features. Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage. Hold time. 16 ms. Efficiency. 90%. Power Good signal delay range. 100 - 150 ms. Max output current (+5Vsb). 3 A. Max output current (-12V). 0.3 A. Max output current (+5V). 20 A. Max output current (+12V). 70.8 A. Max output current (+3.3V). 20 A. Combined power (+5Vsb). 15 W. Combined power (-12V). 3.6 W. Combined power (+5V). 120 W. Combined power (+12V). 849.6 W. Combined power (+3.3V). 120 W. Power Factor Correction (PFC) type. Active. Input current. 5 - 10 A. AC input frequency. 50/60 Hz. AC input voltage. 100 - 240 V. Total power. 850 W. Ports & interfaces. Cabling type. Fully-Modular. PCI Express power cable length. 55 cm. PCI Express power connectors (12+4 pin) cable length. 650 mm. PCI Express power connectors (12+4 pin). 1. PCI Express power connectors (6+2 pin). 3. EPS power connector (4+4 pin). Yes. EPS power connector (8-pin). Yes. Peripheral (Molex) power cable length. 860,740,620,500 mm. Peripheral (Molex) power connectors (4-pin). 4. SATA power cable length. 500,620,740,860 mm. Number of SATA power connectors. 8. Motherboard power cable length. 61 cm. Motherboard power connector. 24-pin ATX. Performance. Mean time between failures (MTBF). 100000 h. Bearing technology. HDB. ATX version. 3.0. 80 PLUS certification. 80 PLUS Gold. Power supply unit (PSU) form factor. ATX. Purpose. PC/Server. Design. Fan speed. 0 - 1900 RPM. Number of fans. 1 fan(s). Fan diameter. 13.5 cm. Cooling type. Active. Product colour. Black. Operational
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Delivery: in United Kingdom
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£153.99

Cooler Master GX III configurations

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