Hardware Spec Index

Zephyra PW-4785 Plus 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Zephyra · SKU PW4785-PLUS · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,011 (Power Supplies scale)
Category rank#9,950
Street price$49
Power550 W (rated)
Performance per dollar20.63
Released2019

Specifications

BrandZephyra
ModelZephyra PW-4785 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
Warranty7 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-1708 Ultra 1000W 80 PLUS Titanium ATX 3.1 Power Supply2,330$259Compare
Vantrel PW-6139 Edge 850W 80 PLUS Gold ATX 3.0 Power Supply1,802$159Compare
Zephyra PW-9833 XT 650W 80 PLUS Gold SFX Power Supply1,033$59Compare
Zephyra PW-9929 SE 1000W 80 PLUS Gold SFX Power Supply1,930$169Compare
Novexa PW-9917 Ti 1300W 80 PLUS Titanium ATX Power Supply2,638$359Compare
Teralux PW-4570 Prime 650W 80 PLUS Gold ATX Power Supply848$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4785 Plus 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/5196281 (accessed 2026-10-22).