Hardware Spec Index

Zephyra PW-9091 Plus 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW9091-PLUS · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index964 (Power Supplies scale)
Category rank#22,838
Street price$49
Power550 W (rated)
Performance per dollar19.67
Released2019

Specifications

BrandZephyra
ModelZephyra PW-9091 Plus
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularitySemi-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-7185 Prime 1300W 80 PLUS Platinum ATX Power Supply2,891$399Compare
Teralux PW-9315 Edge 1000W 80 PLUS Gold ATX 3.1 Power Supply1,722$139Compare
Vantrel PW-4022 Prime 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,576$309Compare
Zephyra PW-4021 Ti 1300W 80 PLUS Titanium ATX Power Supply2,844$399Compare
Teralux PW-8064 Edge 1000W 80 PLUS Gold ATX Power Supply2,044$229Compare
Zephyra PW-3007 Max 650W 80 PLUS Bronze ATX 3.1 Power Supply835$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-9091 Plus 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/353432 (accessed 2026-10-22).