Cooler Master GX II Gold 850 ATX 3.1

ATX 12V Ver. 3.1, 100-240V, 10-5A, 50-60Hz, 120mm, HDB, 2500 RPM, 80 PLUS Gold, 100 - 150 ms, UK

Key Features

• ATX 3.1 support & a durable 12V-2X6 cable
• 80 Plus Gold certified efficiency
• Silent fan performance with a zero-RPM mode
• Separated thermal technologies
• Fully modular cabling

Description

BUILT TO LAST
The GX II Gold brings a new standard of durability and efficiency to Cooler Master’s lineup of power supply units combined with ATX 3.1 support.

ATX 3.1 Support & a Durable 90-degree 12V-2x6 Cable
Includes ATX 3.1 support and a 90-degree 12V-2x6 PCIe 5.1 connector featuring higher electrical durability, improved safety, and capable of bringing up to 600W to your GPU.

Certified Efficiency
The GX II Gold is certified to achieve more than 90% efficiency at typical loads.

Silent Fan Performance with a ZERO-RPM Mode
A zero-RPM default mode automatically turns the fan on when your PC reaches a specific temperature.

Separated Thermal Technologies
Separated thermal technologies provide improved thermal performance and a large, high-quality Japanese capacitor features reduced ripple noise and enhanced reliability.​

Fully Modular Cabling
Modular cabling reduces clutter, increases airflow, and improves overall thermal performance.

Specifications

Cooling
Fan diameter	12 cm
Number of fans	1 fan(s)
Fan speed	0 - 2500 RPM
Cooling type	Active
Design
80 PLUS certification	80 PLUS Gold
Certification	ErP 2014 Lot 3
Product colour	Black
Fan diameter	12 cm
Number of fans	1 fan(s)
Fan speed	0 - 2500 RPM
Cooling type	Active
Power
Total power	850 W
Power Good signal delay range	100 - 150 ms
AC input voltage	100 - 240 V
AC input frequency	50/60 Hz
Input current	5 - 10 A
Power Factor Correction (PFC) type	Active
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 features	Over current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush, Under voltage
Hold time	16 ms
Efficiency	90%
Ports & interfaces
Motherboard power cable length	55 cm
SATA power cable length	500,620,740,860 mm
Peripheral (Molex) power cable length	740,620,500,860 mm
PCI Express power cable length	62 cm
Motherboard power connector	24-pin ATX
Number of SATA power connectors	6
Peripheral (Molex) power connectors (4-pin)	2
EPS power connector (8-pin)	Yes
PCI Express power connectors (6+2 pin)	4
Cabling type	Fully-Modular
EPS power connector (4+4 pin)	Yes
EPS cable length	60 cm
PCI Express power connectors (12+4 pin)	1
PCI Express power connectors (12+4 pin) cable length	650 mm
Performance
Power supply unit (PSU) form factor	ATX
80 PLUS certification	80 PLUS Gold
Purpose	PC/Server
ATX version	3.1
Mean time between failures (MTBF)	100000 h
Certification	ErP 2014 Lot 3
Bearing technology	HDB
Operational conditions
Operating temperature (T-T)	0 - 40 °C
Certificates
Certification	ErP 2014 Lot 3
Compliance certificates	BIS, BSMI, CCC, CE, China Compulsory Certification (CCC), EAC, Federal Communications Commission (FCC), KC, RCM, RoHS, UKCA, cTUVus
80 PLUS certification	80 PLUS Gold
Weight & dimensions
Width	150 mm
Depth	160 mm
Height	86 mm
Weight	2.61 kg
Packaging data
Package depth	320 mm
Package width	195 mm
Package height	125 mm
Package weight	3 kg
Technical details
Compliance certificates	BIS, BSMI, CCC, CE, China Compulsory Certification (CCC), EAC, Federal Communications Commission (FCC), KC, RCM, RoHS, UKCA, cTUVus
Logistics data
Master (outer) cases per pallet	24 pc(s)
Master (outer) case width	335 mm
Master (outer) case length	520 mm
Master (outer) case height	231 mm
Products per master (outer) case	4 pc(s)
Other features
EPS cable length	60 cm