Hardware Spec Index

Novexa PW-4423 Max 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW4423-MAX · Released 2020 · Updated 2026-10-27

Key facts

Benchmark index1,713 (Power Supplies scale)
Category rank#11,968
Street price$129
Power850 W (rated)
Performance per dollar13.28
Released2020

Specifications

BrandNovexa
ModelNovexa PW-4423 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-3314 SE 1300W 80 PLUS Titanium ATX Power Supply2,767$379Compare
Teralux PW-9732 Pro 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,686$339Compare
Caldera PW-4385 SE 1200W 80 PLUS Titanium ATX Power Supply2,362$259Compare
Novexa PW-3388 Pro 1200W 80 PLUS Gold ATX 3.1 Power Supply2,647$309Compare
Novexa PW-6280 XT 650W 80 PLUS Gold SFX Power Supply793$39Compare
Teralux PW-2938 Core 1000W 80 PLUS Gold ATX Power Supply2,002$179Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-4423 Max 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/6544386 (accessed 2026-10-27).