Hardware Spec Index

Zephyra PW-3902 Edge 850W 80 PLUS Bronze SFX Power Supply

Power Supplies · Zephyra · SKU PW3902-EDGE · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index1,317 (Power Supplies scale)
Category rank#11,313
Street price$79
Power850 W (rated)
Performance per dollar16.67
Released2019

Specifications

BrandZephyra
ModelZephyra PW-3902 Edge
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorSFX-L
ModularitySemi-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-4474 Pro 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,567$279Compare
Caldera PW-8474 Edge 1200W 80 PLUS Titanium ATX Power Supply2,485$279Compare
Caldera PW-4308 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply1,144$69Compare
Teralux PW-4148 Ultra 650W 80 PLUS Bronze ATX 3.1 Power Supply768$39Compare
Caldera PW-4170 Plus 750W 80 PLUS Gold ATX Power Supply1,665$109Compare
Teralux PW-7529 Plus 650W 80 PLUS Bronze ATX 3.1 Power Supply1,206$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3902 Edge 850W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/87633140 (accessed 2026-10-24).