Hardware Spec Index

Zephyra PW-4446 Prime 1000W 80 PLUS Platinum ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW4446-PRIME · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index2,274 (Power Supplies scale)
Category rank#47,993
Street price$199
Power1000 W (rated)
Performance per dollar11.43
Released2023

Specifications

BrandZephyra
ModelZephyra PW-4446 Prime
Rated output1,000 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-5458 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,252$59Compare
Caldera PW-5284 Ultra 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,822$319Compare
Vantrel PW-9668 Plus 1300W 80 PLUS Titanium ATX Power Supply2,451$289Compare
Vantrel PW-4016 Max 1000W 80 PLUS Titanium ATX 3.1 Power Supply2,464$249Compare
Teralux PW-6648 Max 850W 80 PLUS Gold ATX Power Supply1,634$119Compare
Caldera PW-8106 XT 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,298$229Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4446 Prime 1000W 80 PLUS Platinum ATX 3.0 Power Supply”, https://vextor7.com/item/3352382 (accessed 2026-10-23).