Hardware Spec Index

Zephyra PW-8197 Ultra 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW8197-ULTRA · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index804 (Power Supplies scale)
Category rank#22,176
Street price$39
Power550 W (rated)
Performance per dollar20.62
Released2021

Specifications

BrandZephyra
ModelZephyra PW-8197 Ultra
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
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
Teralux PW-2089 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply1,848$169Compare
Vantrel PW-3967 Core 550W 80 PLUS Bronze ATX Power Supply982$49Compare
Novexa PW-1133 Ultra 850W 80 PLUS Gold SFX Power Supply1,704$129Compare
Vantrel PW-3470 Ultra 1300W 80 PLUS Titanium ATX Power Supply2,958$399Compare
Novexa PW-4276 Ultra 1000W 80 PLUS Platinum ATX 3.0 Power Supply1,960$159Compare
Caldera PW-2038 Pro 650W 80 PLUS Gold SFX Power Supply1,245$79Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8197 Ultra 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/92637300 (accessed 2026-10-26).