Hardware Spec Index

Zephyra PW-3834 Ultra 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW3834-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index1,524 (Power Supplies scale)
Category rank#44,666
Street price$99
Power850 W (rated)
Performance per dollar15.39
Released2019

Specifications

BrandZephyra
ModelZephyra PW-3834 Ultra
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully 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
Zephyra PW-8337 Prime 650W 80 PLUS Bronze ATX 3.1 Power Supply1,185$59Compare
Teralux PW-8158 Prime 650W 80 PLUS Gold ATX Power Supply936$49Compare
Zephyra PW-5682 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply1,915$169Compare
Caldera PW-3743 Ultra 1000W 80 PLUS Platinum ATX Power Supply2,209$209Compare
Novexa PW-3512 Prime 1200W 80 PLUS Gold ATX 3.1 Power Supply2,350$239Compare
Novexa PW-3559 XT 1000W 80 PLUS Gold ATX Power Supply1,885$169Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3834 Ultra 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/83660102 (accessed 2026-10-23).