Hardware Spec Index

Zephyra PW-9483 Plus 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW9483-PLUS · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index1,019 (Power Supplies scale)
Category rank#22,665
Street price$49
Power550 W (rated)
Performance per dollar20.80
Released2024

Specifications

BrandZephyra
ModelZephyra PW-9483 Plus
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
ModularityNon-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-1782 Core 1000W 80 PLUS Gold ATX Power Supply1,562$129Compare
Caldera PW-8578 Core 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,777$389Compare
Vantrel PW-5543 Ti 1000W 80 PLUS Gold ATX 3.0 Power Supply1,878$119Compare
Teralux PW-2531 SE 850W 80 PLUS Gold SFX Power Supply1,711$139Compare
Novexa PW-4324 Core 1000W 80 PLUS Gold ATX 3.0 Power Supply2,160$179Compare
Caldera PW-2323 Pro 750W 80 PLUS Bronze ATX 3.0 Power Supply1,143$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-9483 Plus 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/8028308 (accessed 2026-10-24).