Hardware Spec Index

Zephyra PW-7542 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW7542-ULTRA · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index1,003 (Power Supplies scale)
Category rank#39,477
Street price$49
Power550 W (rated)
Performance per dollar20.47
Released2026

Specifications

BrandZephyra
ModelZephyra PW-7542 Ultra
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularitySemi-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Caldera PW-4674 XT 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,797$349Compare
Teralux PW-2934 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply1,901$159Compare
Vantrel PW-6224 Ti 650W 80 PLUS Gold ATX 3.1 Power Supply1,094$59Compare
Novexa PW-3502 Pro 1000W 80 PLUS Gold SFX Power Supply2,042$189Compare
Caldera PW-5494 Edge 850W 80 PLUS Gold ATX Power Supply1,733$129Compare
Vantrel PW-7633 SE 850W 80 PLUS Gold ATX 3.0 Power Supply1,635$99Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-7542 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/304960 (accessed 2026-10-22).