Hardware Spec Index

Zephyra PW-4529 Prime 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW4529-PRIME · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index905 (Power Supplies scale)
Category rank#39,661
Street price$39
Power550 W (rated)
Performance per dollar23.21
Released2025

Specifications

BrandZephyra
ModelZephyra PW-4529 Prime
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
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Caldera PW-5626 Edge 1000W 80 PLUS Gold ATX Power Supply1,787$149Compare
Novexa PW-9395 Ti 850W 80 PLUS Gold ATX Power Supply1,605$119Compare
Vantrel PW-5881 Ti 550W 80 PLUS Gold ATX 3.1 Power Supply1,073$59Compare
Vantrel PW-5918 XT 1000W 80 PLUS Gold ATX Power Supply2,110$209Compare
Caldera PW-9544 Pro 850W 80 PLUS Gold SFX Power Supply1,315$69Compare
Vantrel PW-5581 Max 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,701$369Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4529 Prime 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/9405145 (accessed 2026-10-26).