Hardware Spec Index

Zephyra PW-1446 Pro 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW1446-PRO · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index870 (Power Supplies scale)
Category rank#36,619
Street price$39
Power550 W (rated)
Performance per dollar22.31
Released2019

Specifications

BrandZephyra
ModelZephyra PW-1446 Pro
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan135 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
Teralux PW-9151 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply1,904$149Compare
Vantrel PW-7901 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,543$109Compare
Teralux PW-1835 Edge 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,648$349Compare
Zephyra PW-2216 Core 1200W 80 PLUS Gold ATX Power Supply2,577$299Compare
Novexa PW-7786 Max 550W 80 PLUS Bronze ATX Power Supply840$39Compare
Caldera PW-3109 SE 850W 80 PLUS Gold ATX 3.1 Power Supply1,796$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1446 Pro 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/3260178 (accessed 2026-10-26).