Hardware Spec Index

Zephyra PW-6547 Ultra 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW6547-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index915 (Power Supplies scale)
Category rank#12,362
Street price$39
Power550 W (rated)
Performance per dollar23.46
Released2019

Specifications

BrandZephyra
ModelZephyra PW-6547 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
Fan120 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
Vantrel PW-7720 Core 550W 80 PLUS Gold ATX 3.0 Power Supply920$39Compare
Zephyra PW-9510 Pro 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,568$339Compare
Caldera PW-5956 Core 1300W 80 PLUS Gold ATX 3.1 Power Supply2,369$259Compare
Teralux PW-3648 Ultra 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,498$229Compare
Novexa PW-1806 Plus 650W 80 PLUS Bronze ATX Power Supply1,040$49Compare
Vantrel PW-5271 Core 550W 80 PLUS Bronze ATX Power Supply958$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-6547 Ultra 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/1186972 (accessed 2026-10-19).