Hardware Spec Index

Zephyra PW-4165 Ultra 850W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW4165-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index1,554 (Power Supplies scale)
Category rank#35,959
Street price$99
Power850 W (rated)
Performance per dollar15.70
Released2025

Specifications

BrandZephyra
ModelZephyra PW-4165 Ultra
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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-3261 XT 650W 80 PLUS Bronze ATX Power Supply915$39Compare
Vantrel PW-8957 Max 650W 80 PLUS Bronze ATX 3.1 Power Supply1,112$49Compare
Zephyra PW-9887 Core 750W 80 PLUS Bronze ATX Power Supply1,285$69Compare
Novexa PW-7130 Prime 1600W 80 PLUS Titanium ATX Power Supply2,829$399Compare
Vantrel PW-1540 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply2,535$249Compare
Zephyra PW-2266 Edge 1600W 80 PLUS Platinum ATX Power Supply2,578$299Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4165 Ultra 850W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/3920296 (accessed 2026-10-20).