Cooler Master GX II Gold 850 power supply unit 850 W 24-pin ATX ATX Black
- ATX 3.0 support & a durable 12VHPWR cable
- 80 Plus Gold certified efficiency
- Silent fan performance with a zero-RPM mode
- Separated thermal technologies
- Fully modular cabling
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 3.0 support.
ATX 3.0 support & a durable 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.
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.
| Power |
| Power protection features |
Over current, Surge & inrush, Under voltage, Over power, Over voltage, Short circuit, Overheating |
| Hold time |
16 ms |
| Efficiency |
2500% |
| 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 |
62 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) |
4 |
| 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) |
2 |
| SATA power cable length |
500,620,740,860 mm |
| Number of SATA power connectors |
6 |
| Motherboard power cable length |
55 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 |
| Design |
| Fan speed |
0 – 2500 RPM |
| Number of fans |
1 fan(s) |
| Fan diameter |
12 cm |
| Cooling type |
Active |
| Product colour |
Black |
| Operational conditions |
| Operating temperature (T-T) |
0 – 40 °C |
| Certificates |
| Certification |
ErP 2014 Lot 3 |
| Weight & dimensions |
| Weight |
2.61 kg |
| Height |
86 mm |
| Depth |
160 mm |
| Width |
150 mm |
| Packaging data |
| Package weight |
3 kg |
| Package height |
125 mm |
| Package depth |
320 mm |
| Package width |
195 mm |
| Logistics data |
| Products per master (outer) case |
4 pc(s) |
| Master (outer) case height |
231 mm |
| Master (outer) case length |
520 mm |
| Master (outer) case width |
335 mm |
| Other features |
| EPS cable length |
60 cm |
