Hardware Spec Index

Zephyra PW-7674 Plus 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW7674-PLUS · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index733 (Power Supplies scale)
Category rank#34,015
Street price$39
Power550 W (rated)
Performance per dollar18.79
Released2019

Specifications

BrandZephyra
ModelZephyra PW-7674 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
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-4106 Prime 1200W 80 PLUS Titanium ATX Power Supply2,371$269Compare
Vantrel PW-9613 Pro 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,509$269Compare
Novexa PW-4058 SE 1200W 80 PLUS Titanium ATX Power Supply2,595$299Compare
Zephyra PW-5346 Plus 1200W 80 PLUS Titanium ATX Power Supply2,620$279Compare
Zephyra PW-9330 Ultra 750W 80 PLUS Gold ATX 3.1 Power Supply1,262$69Compare
Zephyra PW-3558 Edge 850W 80 PLUS Gold ATX Power Supply1,658$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-7674 Plus 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/45306228 (accessed 2026-10-19).