Hardware Spec Index

Zephyra PW-4450 Max 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW4450-MAX · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index1,713 (Power Supplies scale)
Category rank#4,546
Street price$99
Power850 W (rated)
Performance per dollar17.30
Released2019

Specifications

BrandZephyra
ModelZephyra PW-4450 Max
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully 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
Novexa PW-1038 SE 550W 80 PLUS Gold ATX 3.1 Power Supply832$39Compare
Novexa PW-6727 Plus 1300W 80 PLUS Gold ATX 3.0 Power Supply2,557$249Compare
Caldera PW-3028 Plus 550W 80 PLUS Bronze ATX Power Supply1,063$59Compare
Teralux PW-9397 Edge 1000W 80 PLUS Gold ATX 3.0 Power Supply1,658$129Compare
Vantrel PW-9303 Ultra 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,917$339Compare
Caldera PW-7873 Max 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,250$219Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4450 Max 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/2777929 (accessed 2026-10-25).