Seasonic G12 GM power supply unit 850 W 20+4 pin ATX ATX Black
Seasonic G12 GM, 850 W, 100 - 240 V, 10 A, 100 W, 840 W, 100 W
| Date | Price |
|---|---|
| 9 March 2026 | £106.99 |
| 12 March 2026 | £107.99 |
| 24 March 2026 | £103.99 |
| 27 March 2026 | £103.47 |
| 2 April 2026 | £103.99 |
| 4 April 2026 | £111.99 |
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Product Information
The G12 GM Series is available in the standard ATX Form Factor and in wattages that are most common for a PC system. The Seasonic G12 GM-Series achieves 80 PLUS® Gold standard of providing at least 87 %, 90 % and 87 % power usage efficiency at 20 %, 50 % and 100 % operating loads, respectively. This efficiency, combined with Active Power Factor Correction, enables the G12 GM series power supplies to lessen energy waste, which translates into savings on the costs of energy costs for its users. In addition to being greatly efficient, the G12 GM units utilize the LLC resonant converter design, and the industry’s leading Smart and Silent Fan Control (S2FC).
80 PLUS GOLD
The G12 GC achieves 80 PLUS Gold certification with its 90 % efficiency at 50 % system load.
S2FC - SMART AND SILENT FAN CONTROL
The intelligent thermal circuit feature is designed to find the optimal balance between the necessity to cool the components and the need to run the power supply in the most silent manner possible.
Product
- Name
- Seasonic G12 GM power supply unit 850 W 20+4 pin ATX ATX Black
- Category
- Power Supply Units
- Brand
- Seasonic
Power
- Total power
- 850 W
- AC input voltage
- 100 - 240 V
- Input current
- 10 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)
- 12.5 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)
- 2.5 A
- Power protection features
- Over current, Over voltage, Short circuit
Operational conditions
- Operating temperature (T-T)
- 0 - 50 °C
Weight & dimensions
- Width
- 150 mm
- Depth
- 140 mm
- Height
- 86 mm
Ports & interfaces
- Motherboard power connector
- 20+4 pin ATX
- Peripheral (Molex) power connectors (4-pin)
- 3
- Motherboard power cable length
- 55 cm
- Number of SATA power connectors
- 6
- Peripheral (Molex) power cable length
- 690 mm
- PCI Express power connectors (6+2 pin)
- 2
- PCI Express power cable length
- 70 cm
- CPU power connector (4+4 pin)
- Yes
- CPU power cable length
- 60 cm
- Cabling type
- Semi-Modular
Packaging data
- Package type
- Box
Performance
- Purpose
- PC
- Power supply unit (PSU) form factor
- ATX
- 80 PLUS certification
- 80 PLUS Gold
- Bearing technology
- Sleeve
- Mean time between failures (MTBF)
- 100000 h
Design
- Product colour
- Black
- Cooling type
- Active
- Fan diameter
- 12 cm
- Number of fans
- 1 fan(s)
- On/off switch
- Yes
Packaging content
- Cables included
- AC, PCIe, Peripheral (Molex), SATA
- Cable tie(s) included
- Yes
Certificates
- Certification
- cTUVus, TUV, CB, CCC, BSMI, CE, FCC, RoHS, WEEE, ErP Lot 6, REACH
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