Seasonic Focus Plus 750W Platinum Power Supply – 80+ Platinum (SSR-750PX)


Seasonic Focus Plus 750W Platinum Power Supply – 80+ Platinum – ATX 20+4 pin 120mm – Fully Modular (SSR-750PX)

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The technologies applied and the components and materials used in the manufacturing of the FOCUS+ Platinum 750 watt power supply do not compromise on Seasonic’s legendary high standards. This product received 80 PLUS® Platinum certification, where efficiency reaches 92 % at 50 % system load. Superior dynamic response, great system stability, maximized 12 V DC rail output and a state-of-the-art fan control system are just some of the features that will awe enthusiasts who become familiar with this power supply. With Seasonic’s 10 years warranty added: it is as good as irresistible.

80 PLUS®Platinum

The higher the level of efficiency of the power supply, the less power gets wasted in the form of excess heat . The 80 PLUS® Platinum certification guarantees greater than 90 %, 92 % and 89 % efficiency at 20 %, 50 % and 100 % operating loads, respectively. The Seasonic Platinum Series represents the highest level of technology and efficiency achievement of Sea Sonic during its 40 years of commitment to engineering excellence.

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.

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.

– 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).

Tight Voltage Regulation

Seasonic’s advanced design is to improve load regulation which reduces voltage variations to provide smooth and stable operations.

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.

Additional information

Weight 2.99371 kg
Total power

750 W

Max output current (+5V)

20 A

Input current

10 A

Combined power (+3.3V)

100 W

Combined power (-12V)

3.6 W

Combined power (+5V)

100 W

Combined power (+5Vsb)

15 W

Max output current (+3.3V)

20 A

SATA power cable length

450 mm

Max output current (-12V)

0.3 A

Max output current (+5Vsb)

3 A



Power protection features

Over current,Over power,Over voltage,Overheating,Short circuit,Under voltage

Motherboard power connector

20+4 pin ATX

Peripheral (Molex) power connectors (4-pin)


Motherboard power cable length

61 cm

Number of SATA power connectors


AC input frequency

50 – 60 Hz

AC input voltage

100 – 240 V

Mean time between failures (MTBF)

100000 h

PCI Express power connectors (6+2 pin)


CPU power connector (4+4 pin)


CPU power cable length

65 cm

Floppy disk drive cable length

10.1 cm



Power supply unit (PSU) form factor


80 PLUS certification

80 PLUS Platinum

RoHS compliance


Energy Star certified


Peripheral (Molex) power cable length

450 mm





Product colour


Fan diameter

12 cm

Number of fans

1 fan(s)

Fan location


PCI Express power cable length

67.5 cm

Operating temperature (T-T)

0 – 50 °C


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