Hardware Spec Index

Novexa PW-4427 Ti 850W 80 PLUS Platinum SFX Power Supply

Power Supplies · Novexa · SKU PW4427-TI · Released 2019 · Updated 2026-10-27

Key facts

Benchmark index2,023 (Power Supplies scale)
Category rank#19,778
Street price$159
Power850 W (rated)
Performance per dollar12.72
Released2019

Specifications

BrandNovexa
ModelNovexa PW-4427 Ti
Rated output850 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorSFX-L
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Caldera PW-9058 Ti 1200W 80 PLUS Titanium ATX Power Supply2,236$219Compare
Zephyra PW-1074 Ultra 1200W 80 PLUS Platinum ATX Power Supply2,593$289Compare
Caldera PW-4756 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,436$99Compare
Novexa PW-1261 Pro 1200W 80 PLUS Titanium ATX Power Supply2,435$319Compare
Novexa PW-7795 Max 1600W 80 PLUS Titanium ATX Power Supply2,980$339Compare
Zephyra PW-4727 SE 550W 80 PLUS Bronze ATX 3.0 Power Supply790$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-4427 Ti 850W 80 PLUS Platinum SFX Power Supply”, https://vextor7.com/item/9622301 (accessed 2026-10-27).