Seasonic Focus GX-850 power supply unit 850 W ATX Black

SKU
FOCUS-GX-850-ATX30
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850W, 80 PLUS Gold, 120mm fan, 100-240 V, 13-6.5 A, 50-60 Hz
The newly upgraded FOCUS PX and GX series are the successors to the FOCUS PLUS Series, which became an instant top seller in the power supply market after its launch in 2017. In 2019, Seasonic engineers have made improvements to the popular series such as removing the inline capacitors on the supplied cables. Besides the small change in the series naming, the PSU housing and its packaging are also updated to be in line with the concept of the OneSeasonic Initiative.

80 PLUS GOLD
The FOCUS GX achieves 80 PLUS® Gold certification with its 90 % efficiency at 50 % system load.

CABLE-FREE CONNECTION DESIGN
Seasonic’s engineers have implemented a new design feature, where instead of cables; the back panel and the PCB (Printed Circuit Board) are connected by a copper plate. This breakthrough solution not only lowers the chance of production errors during manual insertion but it also improves output power quality.

HYBRID SILENT FAN CONTROL
The industry’s first, Seasonic patented, advanced three-phased thermal control achieves optimal between silence and cooling. This Hybrid Silent Fan Control functions in three operational stages: Fanless Mode, Silent Mode, and Cooling Mode.

BENEFITS
- Reduced noise without increase in temperature;
- Extended fan life due to the reduced number of fan rotations;
- Optimized heat dissipation at all times;
- Unsurpassed silent performance in Fanless Mode.

Additionally, there is a switch at the back of the power supply which allows users to customize their cooling needs by selecting between the Seasonic S2FC (fan control without Fanless Mode) and the S3FC (fan control including Fanless Mode).

THE FAN CONTROL BUTTON
The fan control button can be found on the back of the FOCUS PLUS power supply, next to the power switch. The image here illustrates how to select different fan control modes to suit your need.

DO NOT press the button if you wish to include the Fanless Mode, which means the fan in the power supply will not spin when the power supply is under light loads. Press the button if you wish to have the fan spin at all times, even at lower loads.

FLUID DYNAMIC FAN BEARING
High performance Fluid Dynamic Bearing (FDB) fans are designed to take advantage of the impact absorbance effects of oil. They are extremely reliable and generate considerably less operating noise and heat than ball bearing fans. The lubrication of the bearing surface reduces friction and vibration and therefore lowers overall power consumption. Due to the effortless, quieter rotations and its robust construction, this reliable fan technology also greatly increases the lifespan of the fan.

HOW IT WORKS
When the fan shaft rotates, high pressure oil drifts along the grooves of the bearing sleeve to generate a thin layer of lubrication between the bearing faces. As the speed increases, so does dynamic oil pressure and the shaft is lifted from the bearing to create smooth, effortless rotations. The herringbone shape of the groves helps to efficiently channel the lubricant and avert leakage.
SKU FOCUS-GX-850-ATX30
EAN 4711173878056
Specification
Cooling
Fan diameter12 cm
Number of fans1 fan(s)
Cooling typeActive
Performance
On/off switchYes
Power supply unit (PSU) form factorATX
Silent modeYes
80 PLUS certification80 PLUS Gold
PurposePC
Mean time between failures (MTBF)100000 h
CertificationcTUVus, TUV, CB, CCC, BSMI, EAC, CE, Energy Star, RoHS, WEEE, ErP Lot 6, REACH
Bearing technologyFDB
Design
80 PLUS certification80 PLUS Gold
CertificationcTUVus, TUV, CB, CCC, BSMI, EAC, CE, Energy Star, RoHS, WEEE, ErP Lot 6, REACH
Product colourBlack
Fan diameter12 cm
On/off switchYes
Number of fans1 fan(s)
Cooling typeActive
Power
Total power850 W
AC input voltage100 - 240 V
AC input frequency50/60 Hz
Input current12 - 6 A
Combined power (+3.3V)100 W
Combined power (+12V)840 W
Combined power (+5V)100 W
Combined power (-12V)3.6 W
Combined power (+5Vsb)15 W
Max output current (+3.3V)20 A
Max output current (+12V)70 A
Max output current (+5V)20 A
Max output current (-12V)0.3 A
Max output current (+5Vsb)3 A
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Ports & interfaces
Motherboard power cable length61 cm
Peripheral (Molex) power cable length470,690 mm
CPU power cable length65 cm
PCI Express connectorYes
Cabling typeFully-Modular
Operational conditions
Operating temperature (T-T)0 - 50 °C
Packaging content
Cables includedAC, CPU, PCIe, Peripheral (Molex), Peripheral (Molex) to SATA 3.3, SATA
Cable tie(s) includedYes
Weight & dimensions
Width150 mm
Depth140 mm
Height86 mm
Packaging data
Cables includedAC, CPU, PCIe, Peripheral (Molex), Peripheral (Molex) to SATA 3.3, SATA
Technical details
Sustainability complianceYes
Sustainability certificatesENERGY STAR, ErP
Warranty period10 year(s)
Certificates
80 PLUS certification80 PLUS Gold
CertificationcTUVus, TUV, CB, CCC, BSMI, EAC, CE, Energy Star, RoHS, WEEE, ErP Lot 6, REACH
Manufacturer Seasonic
In Stock N