Seasonic PRIME 850 W Titanium (SSR-850TR)

PRIME Ultra 850 W Titanium

Seasonic's top-notch design shines through this top-notch power supply technology, where high level components are assembled into an optimal circuit design to guarantee the highest level of electrical performance. The PRIME 850 Titanium achieves 80 PLUS® Titanium certification, where efficiency is 94 % at 50 % load. This leading member of the series boasts an improved DC to DC converter design where pins and a copper plate replace cables to connect the back panel and the PCB for increased efficiency. Fully modular cabling makes this power supplies one of the most versatile high-end choices for PC enthusiasts.


Technical Specifications
80PLUS® Titanium
Form Factor: Intel ATX 12 V
Dimensions: 150 mm (W) x 170 mm (L) x 86 mm (H)

Fan Information
Fan Size: 135 mm
Fan Control: Premium Hybrid Fan Control
Fan Bearing: Fluid Dynamic Bearing
Life Expectancy: 50,000 hours at 40 °C, 15 % - 65 % RH

Cable Information
Modularity: Fully Modular
Cable type: Flat black cables
Electrical Features
Operating Temperature: 0 - 50 °C
MTBF @ 25 °C, excl. fan: 150,000 hours
AC Input: Full Range
Protection: OPP, OVP, UVP, OCP, OTP, SCP

Safety and Environmental
Safety and EMC: cTUVus, TUV, CB, CCC, BSMI, EAC
Environmental Compliance: Energy Star, RoHS, WEEE, ErP Lot 6, REACH


AC Input
Voltage: 100 V - 240 V
Current: 11 - 5.5 A
Frequency: 50 Hz - 60 Hz

DC Output
Rail: +3.3 V, Maximum Power 20 A, 100 W
Rail: +5 V, Maximum Power 20 A, 100 W
Rail: +12 V, Maximum Power 70 A, 840 W
Rail: -12 V, Maximum Power 0.3 A, 3.6 W
Rail: +5 VSB, Maximum Power 3 A, 15 W
Total continuous power: 850 W