Hardware Spec Index

Zephyra PW-4805 Plus 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Zephyra · SKU PW4805-PLUS · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index860 (Power Supplies scale)
Category rank#23,151
Street price$39
Power550 W (rated)
Performance per dollar22.05
Released2019

Specifications

BrandZephyra
ModelZephyra PW-4805 Plus
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorSFX-L
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
Zephyra PW-5746 Prime 1000W 80 PLUS Gold SFX Power Supply2,098$229Compare
Novexa PW-3366 Ultra 1000W 80 PLUS Gold ATX Power Supply1,978$209Compare
Zephyra PW-9552 XT 550W 80 PLUS Gold ATX Power Supply722$39Compare
Caldera PW-8302 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,192$59Compare
Vantrel PW-2524 Pro 550W 80 PLUS Gold ATX Power Supply932$49Compare
Teralux PW-2639 Max 750W 80 PLUS Gold ATX 3.1 Power Supply1,533$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4805 Plus 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/7188426 (accessed 2026-10-25).