Hardware Spec Index

Zephyra PW-8004 Plus 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW8004-PLUS · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index740 (Power Supplies scale)
Category rank#44,036
Street price$39
Power550 W (rated)
Performance per dollar18.97
Released2021

Specifications

BrandZephyra
ModelZephyra PW-8004 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
ModularityNon-modular
Fan140 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
Caldera PW-7715 Ultra 550W 80 PLUS Gold ATX 3.1 Power Supply1,109$59Compare
Novexa PW-6365 Max 550W 80 PLUS Bronze ATX 3.1 Power Supply928$49Compare
Teralux PW-4332 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,213$59Compare
Caldera PW-5294 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply2,486$269Compare
Caldera PW-4324 Prime 1200W 80 PLUS Platinum ATX Power Supply2,328$259Compare
Vantrel PW-3703 Pro 650W 80 PLUS Bronze ATX 3.0 Power Supply1,034$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8004 Plus 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/14768586 (accessed 2026-10-22).