Hardware Spec Index

Zephyra PW-6654 Ultra 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW6654-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index721 (Power Supplies scale)
Category rank#35,918
Street price$39
Power550 W (rated)
Performance per dollar18.49
Released2019

Specifications

BrandZephyra
ModelZephyra PW-6654 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
ModularitySemi-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
Vantrel PW-5338 SE 650W 80 PLUS Bronze ATX 3.0 Power Supply1,148$69Compare
Vantrel PW-1988 Ti 650W 80 PLUS Bronze ATX 3.1 Power Supply858$39Compare
Novexa PW-5981 Ti 550W 80 PLUS Bronze SFX Power Supply1,051$49Compare
Vantrel PW-6716 Ti 650W 80 PLUS Gold ATX Power Supply1,245$79Compare
Vantrel PW-1724 Max 650W 80 PLUS Gold ATX 3.0 Power Supply1,192$59Compare
Teralux PW-1822 Core 1000W 80 PLUS Platinum SFX Power Supply2,514$259Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-6654 Ultra 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/911971 (accessed 2026-10-19).