G12 Series
G12 GM (2024)
G12 GM
The new G12 GM Series is available in the standard ATX form factor and in wattages commonly used in PC systems. The new Seasonic G12 GM Series meets the 80 PLUS® Gold certification, delivering at least 87%, 90%, and 87% power efficiency at 20%, 50%, and 100% load levels, respectively.
This high efficiency, combined with Active Power Factor Correction (PFC), helps minimize energy waste and reduces electricity costs for users. Moreover, the G12 GM units feature an LLC resonant converter design and Seasonic’s industry-leading Smart and Silent Fan Control (S2FC), ensuring optimal performance and quiet operation.
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The new G12 GM achieves 80 PLUS® Gold certification with its 90 % efficiency at 50 % system load.80 PLUS® Gold Certified
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Warranty
5 Years
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Cabling
Semi-Modular
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140 mm (L) x 150 mm (W) x 86 mm (H)
Dimensions
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ATX Specifications
ATX 12 V
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80 PLUS® Gold Certified
The new G12 GM achieves 80 PLUS® Gold certification with its 90 % efficiency at 50 % system load. -
5 Years
Warranty -
Semi-Modular
Cabling -
Dimensions
140 mm (L) x 150 mm (W) x 86 mm (H) -
ATX 12 V
ATX Specifications
-
80 PLUS® Gold Certified
The new G12 GM achieves 80 PLUS® Gold certification with its 90 % efficiency at 50 % system load. -
5 Years
Warranty -
Semi-Modular
Cabling -
Dimensions
140 mm (L) x 150 mm (W) x 86 mm (H) -
ATX 12 V
ATX Specifications
80 PLUS® Gold Certified
The new G12 GM achieves 80 PLUS® Gold certification with its 90 % efficiency at 50 % system load.
5 Years
Warranty
Semi-Modular
Cabling
Dimensions
140 mm (L) x 150 mm (W) x 86 mm (H)
ATX 12 V
ATX Specifications
80 PLUS® Gold Certified
The new G12 GM achieves 80 PLUS® Gold certification with its 90 % efficiency at 50 % system load.
5 Years
Warranty
Semi-Modular
Cabling
Dimensions
140 mm (L) x 150 mm (W) x 86 mm (H)
ATX 12 V
ATX Specifications
80 PLUS® Gold Certified
The new G12 GM achieves 80 PLUS® Gold certification with its 90 % efficiency at 50 % system load.
5 Years
Warranty
Semi-Modular
Cabling
Dimensions
140 mm (L) x 150 mm (W) x 86 mm (H)
ATX 12 V
ATX Specifications
Unboxing G12 GM-850
S2FC - Smart And Silent Fan Control
The intelligent thermal circuit feature is designed to strike the optimal balance between efficiently cooling the components and maintaining the quietest possible operation of the power supply.
Gallery
850 W
750 W
650 W
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Specifications
850 W
750 W
650 W
| Technical Specifications | ||
|---|---|---|
| 80PLUS® | Gold | |
| Cybenetics Efficiency Level | TBA | |
| Cybenetics Noise Level | TBA | |
| Form Factor | ATX/EPS | |
| Fan Information | Fan Size | 120 mm |
| Fan Control | Smart and Silent Fan Control | |
| Fan Bearing | Sleeve Bearing | |
| Life Expectancy | 25,000 hours at 40 °C, 15 % — 65 % RH | |
| Cable Information | Modularity | Semi-Modular |
| Cable type | Flat Black Cables | |
| Electrical Features | Operating Temperature | 0 - 40 °C |
| MTBF @ 25 °C, excl. fan | 100,000 hours | |
| AC Input | Full Range | |
| Protection | OPP, OVP, UVP, SCP, OCP, OTP | |
| Safety and Environmental | Safety and EMC | CE, UKCA, FCC, RCM, CCC, BSMI, CB, cTUVus, TUV |
| Environmental Compliance | Energy Star, ErP Lot 6, REACH, RoHS, WEEE | |
| Warranty | 5 Years | |
| Power Output | ||||||
|---|---|---|---|---|---|---|
| AC Input | 100 V - 240 V | |||||
| 12 - 6 A | ||||||
| 50 Hz - 60 Hz | ||||||
| DC Output | Rail | +3.3 V | +5 V | +12V | -12 V | +5 Vsb |
| Maximum Power | 20 A | 20 A | 70 A | 0.3 A | 3 A | |
| 100 W | 840 W | 3.6 W | 15 A | |||
| Total continuous power | 850W | |||||
| Technical Specifications | ||
|---|---|---|
| 80PLUS® | Gold | |
| Cybenetics Efficiency Level | TBA | |
| Cybenetics Noise Level | TBA | |
| Form Factor | ATX/EPS | |
| Fan Information | Fan Size | 120 mm |
| Fan Control | Smart and Silent Fan Control | |
| Fan Bearing | Sleeve Bearing | |
| Life Expectancy | 25,000 hours at 40 °C, 15 % — 65 % RH | |
| Cable Information | Modularity | Semi-Modular |
| Cable type | Flat Black Cables | |
| Electrical Features | Operating Temperature | 0 - 40 °C |
| MTBF @ 25 °C, excl. fan | 100,000 hours | |
| AC Input | Full Range | |
| Protection | OPP, OVP, UVP, SCP, OCP, OTP | |
| Safety and Environmental | Safety and EMC | CE, UKCA, FCC, RCM, CCC, BSMI, CB, cTUVus, TUV |
| Environmental Compliance | Energy Star, ErP Lot 6, REACH, RoHS, WEEE | |
| Warranty | 5 Years | |
| Power Output | ||||||
|---|---|---|---|---|---|---|
| AC Input | 100 V - 240 V | |||||
| 10 - 5 A | ||||||
| 50 Hz - 60 Hz | ||||||
| DC Output | Rail | +3.3 V | +5 V | +12V | -12 V | +5 Vsb |
| Maximum Power | 20 A | 20 A | 62 A | 0.3 A | 3 A | |
| 100 W | 744 W | 3.6 W | 15 A | |||
| Total continuous power | 750W | |||||
| Technical Specifications | ||
|---|---|---|
| 80PLUS® | Gold | |
| Cybenetics Efficiency Level | TBA | |
| Cybenetics Noise Level | TBA | |
| Form Factor | ATX/EPS | |
| Fan Information | Fan Size | 120 mm |
| Fan Control | Smart and Silent Fan Control | |
| Fan Bearing | Sleeve Bearing | |
| Life Expectancy | 25,000 hours at 40 °C, 15 % — 65 % RH | |
| Cable Information | Modularity | Semi-Modular |
| Cable type | Flat Black Cables | |
| Electrical Features | Operating Temperature | 0 - 40 °C |
| MTBF @ 25 °C, excl. fan | 100,000 hours | |
| AC Input | Full Range | |
| Protection | OPP, OVP, UVP, SCP, OCP, OTP | |
| Safety and Environmental | Safety and EMC | CE, UKCA, FCC, RCM, CCC, BSMI, CB, cTUVus, TUV |
| Environmental Compliance | Energy Star, ErP Lot 6, REACH, RoHS, WEEE | |
| Warranty | 5 Years | |
| Power Output | ||||||
|---|---|---|---|---|---|---|
| AC Input | 100 V - 240 V | |||||
| 9 - 4.5 A | ||||||
| 50 Hz - 60 Hz | ||||||
| DC Output | Rail | +3.3 V | +5 V | +12V | -12 V | +5 Vsb |
| Maximum Power | 20 A | 20 A | 54 A | 0.3 A | 3 A | |
| 100 W | 648 W | 3.6 W | 15 A | |||
| Total continuous power | 650W | |||||
Cables
850 W
750 W
650 W
550 mm
MB (24/20 pins)
1 connector
1 cable
attached
600 mm
CPU (8/4 pins)
1 connector
2 cables
attached
550 mm
PCIe (8/6 pins)
1 connector
2 cables
attached
550 mm
PCIe (8/6 pins)
1 connector
1 cable
720 mm
SATA
3 connectors
2 cables
690 mm
Molex
3 connectors
1 cable
550 mm
MB (24/20 pins)
1 connector
1 cable
attached
600 mm
CPU (8/4 pins)
1 connector
2 cables
attached
550 mm
PCIe (8/6 pins)
1 connector
2 cables
attached
550 mm
PCIe (8/6 pins)
1 connector
1 cable
720 mm
SATA
3 connectors
2 cables
690 mm
Molex
3 connectors
1 cable
550 mm
MB (24/20 pins)
1 connector
1 cable
attached
600 mm
CPU (8/4 pins)
1 connector
2 cables
attached
550 mm
PCIe (8/6 pins)
1 connector
1 cable
attached
550 mm
PCIe (8/6 pins)
1 connector
1 cable
720 mm
SATA
3 connectors
2 cables
690 mm
Molex
3 connectors
1 cable
Specifications may change without prior notice.
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Datasheet
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Quick Installation Guide
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User Manual