Seasonic S12III 80 PLUS bronze power supply - 550 watts [S12III-550]

The 80 PLUS bronze power supplies are characterized by excellent efficiency and high performance. The perfectly coordinated third-generation electronics are cooled by a powerful 120 mm fan, the volume of which is regulated by Seasonics Smart-and-Silent Fan Control technology.

The Seasonic S12III 80 PLUS bronze power supply at a glance:
- 550-watt ATX power supply with a powerful 45.5 A single-rail
- High efficiency thanks to 80 PLUS bronze certificate
- Quiet 120 mm fan with semi-passive mode
- Permanently connected cables, partially covered with fabric
- Two 6 + 2-pin PCIe connectors for graphics cards
- Five-year manufacturer's guarantee

Power supply unit with 80 PLUS bronze efficiency and a strong 45.5 A singlerail
The Seasonic S12III is a powerful power supply and with its 550 watts total output power also supplies high-end gaming PCs with a lot of power. The powerful 12 volt rail delivers a full 45.5 amps and is also certified with 80 PLUS Bronze. Seasonic consistently relies on high-quality electronic components, including LLC resonance converters.

In addition to a 24-pin and a 4 + 4-pin cable, the Seasonic S12III with 550 watts also provides two 6 + 2-pin PCIe connectors as well as six SATA, three 4-pin Molex and one floppy Connectors ready. With this variety of connections, high-performance systems can be implemented. Visually, the black power supply fits perfectly into any housing.

Automatic fan control with semi-passive mode
The built-in 120 millimeter fan has a smooth-running slide bearing, which ensures smooth running during operation and a long service life. Seasonic's automatic smart-and-silent fan control technology ensures that the fan only starts when the load is 50 percent. This is particularly noticeable in the noise development and the maximum possible cooling capacity, depending on how much the power supply is currently being used.

It is almost unnecessary to mention that the Seasonic S12III power supplies have all the necessary protective circuits that modern high-end models should offer. The load regulation operates with an extremely low voltage tolerance. Seasonic also grants a full five-year manufacturer's warranty.

Technical details:
- Dimensions: 150 x 86 x 140 mm (W x H x D)
- Fan: 120 mm (plain bearing, automatic control with semi-passive mode)
- Efficiency: max. 88% @ 50% load, 80 PLUS bronze certificate
- Active PFC
- Form factor: ATX12V
- Power: 550 W.
- + 3.3V: 20 A.
- + 5V: 20 A
- + 3.3V & + 5V: 100 W
- + 12V: 45.5 A / 546 W
- -12V: 0.3 A / 3.6 W
- + 5Vsb: 2.5 A / 12.5 W
Connections:
- 1x 24-pin
- 1x 4 + 4-pin
- 2x 6 + 2-pin PCIe
- 6x SATA
- 3x 4-pin Molex
- 1x floppy adapter
- Security: cTUVus, TUV, Gost-R, CB, BSMI, CCC, CE, FCC, C-tick
- MTBF fan: 30,000 hours at 40 ° C
- MTBF power supply: 100,000 hours at 25 ° C
- Manufacturer guarantee: 5 years