PRIME PX ATX 3.1
The Seasonic PRIME PX ATX 3.1 Series is built on top of all the great features of PRIME PX platform with added ATX 3.1 and PCIe 5.1 compatibility. Currently the 1600 W is equipped with native 12V-2×6 connectors and Digital Fan Control, and 105°C-rated Japanese electrolytic capacitors guarantee unwavering power delivery and long-term durability. All these qualities make this power supply perfect to welcome the newest high power graphic cards and processors on the market.
The Seasonic PRIME ATX 3.0 Series power supplies were initially shipped with 12VHPWR cables. Following the update to the ATX 3.1 standard, we began replacing these with the new 12V-2×6 connectors.

Technical Specifications
80PLUS® Platinum
Cybenetics Efficiency Level Titanium
Cybenetics Noise Level A-
Form Factor ATX/EPS
Dimensions 210 mm (L) x 150 mm (W) x 86 mm (H)
Fan Information Fan Size 135 mm
Fan Control Digital 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 Individual Black Cables with Braided Pattern
Electrical Features Operating Temperature 0 - 50 °C
MTBF @ 25 °C, excl. fan 100,000 hours
AC Input Full Range
Protection OPP, OVP, UVP, OCP, OTP, SCP
Safety and Environmental Safety and EMC cTUVus, TUV, CB, CCC, BSMI, EAC, CE
Environmental Compliance Energy Star, RoHS, WEEE, ErP Lot 6, REACH
Warranty 12 Years

Power Output

AC Input Voltage: 100 V - 240 V
Current: 15 - 10 A
Frequency: 50 Hz - 60 Hz
DC Output Rail +3.3 V +5 V +12 V -12 V +5 VSB
Maximum Power 25 A 25 A 133.3 A 0.5 A 3 A
125 W 1600 W 6 W 15 W
Total Continuous Power 1600 W 115-240Vac