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Seasonic G12 GC series power supplies are available in ATX format with power ratings from 550W to 850W depending on the power requirements of your PC. Seasonic G12 GC power supplies offer the 80 PLUS Gold standard certification capable of delivering at least 87%, 90% and 87% energy efficiency at 20%, 50% and 100% load. This efficiency, combined with active power factor correction, allows the G12 GC Series power supplies to reduce power consumption. In addition to being highly efficient, the G12 GC units utilise the LLC resonant design and intelligent quiet fan control (S2FC).
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General information |
Product name |
Seasonic G12 GC-550 80 80PLUS Gold |
Brand |
Seasonic | |
Model |
G12-GC-550 | |
Power and Efficiency |
Power |
550 W |
80 PLUS certification |
Yes | |
80 PLUS certification |
80 PLUS Gold | |
Connectivity |
Modular |
No |
Modularity |
Non-modular | |
Power connector(s) |
1 X +12V (Power supply P8 - 2 x P4) | |
| 4 X Serial ATA power supply | ||
| 1 X ATX 20 + 4 Pin | ||
| 3 X Molex (4 Pin) Female | ||
| 2 X PCI Express 6 + 2 Pin | ||
Configurator |
PSU-CM compatibility |
+12V P4 |
| +12V P8 | ||
Cooling |
Fan size |
120mm |
Silent |
Yes | |
Power supply type (PC) |
Active | |
Design |
Power format |
ATX/EPS |
Power supply standard |
ATX12V | |
ATX 3.0 |
No | |
Multi-GPU |
None | |
Typical use |
Desktop computer | |
Physical characteristics |
Color |
Black |
LED RGB |
No | |
Height |
86 mm | |
Width |
150 mm | |
Length |
140 mm | |
Warranties |
Commercial warranty |
Seller 3 years |
Legal warranty |
See terms & conditions |
See all Seasonic products
Product referenced on 19 Apr 2021
The power supply is easy to attach. I'm very happy with the value for money; it allows me to power my B550 motherboard on a sober case (no LEDs), a CG RX6600, 2 8GB DDR4 slots, 2 SSD M.2, a SDD 2.5" format and a 2.5" format hard drive, even leaving me with the prospect of upgrading.
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