Hardware Spec Index

Zephyra PW-3407 Pro 850W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW3407-PRO · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index1,266 (Power Supplies scale)
Category rank#8,394
Street price$79
Power850 W (rated)
Performance per dollar16.03
Released2020

Specifications

BrandZephyra
ModelZephyra PW-3407 Pro
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityNon-modular
Fan135 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
Vantrel PW-7511 Pro 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,465$239Compare
Vantrel PW-6612 XT 1200W 80 PLUS Platinum ATX Power Supply2,543$329Compare
Novexa PW-3982 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply1,872$139Compare
Caldera PW-6891 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply1,831$139Compare
Teralux PW-7969 Max 1000W 80 PLUS Platinum ATX 3.0 Power Supply1,992$179Compare
Zephyra PW-6033 Ultra 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,658$369Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3407 Pro 850W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/4954355 (accessed 2026-10-22).