Hardware Spec Index

Zephyra PW-3458 Plus 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW3458-PLUS · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index892 (Power Supplies scale)
Category rank#31,691
Street price$39
Power550 W (rated)
Performance per dollar22.87
Released2019

Specifications

BrandZephyra
ModelZephyra PW-3458 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
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-2029 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply1,448$79Compare
Teralux PW-9754 Ultra 1200W 80 PLUS Platinum ATX Power Supply2,526$289Compare
Teralux PW-7436 Pro 550W 80 PLUS Gold ATX Power Supply1,065$49Compare
Caldera PW-4667 Ti 750W 80 PLUS Gold ATX 3.1 Power Supply1,128$49Compare
Teralux PW-8114 Pro 650W 80 PLUS Gold ATX Power Supply983$49Compare
Caldera PW-8064 SE 550W 80 PLUS Bronze ATX 3.1 Power Supply1,054$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3458 Plus 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/7385161 (accessed 2026-10-22).