Hardware Spec Index

Novexa PW-9478 Pro 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW9478-PRO · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index1,268 (Power Supplies scale)
Category rank#20,824
Street price$59
Power850 W (rated)
Performance per dollar21.49
Released2020

Specifications

BrandNovexa
ModelNovexa PW-9478 Pro
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
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-5241 Ti 650W 80 PLUS Gold ATX 3.1 Power Supply1,000$49Compare
Vantrel PW-9778 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,937$179Compare
Caldera PW-5313 Plus 850W 80 PLUS Gold ATX Power Supply1,757$119Compare
Vantrel PW-9147 Plus 850W 80 PLUS Gold ATX 3.0 Power Supply1,716$159Compare
Vantrel PW-6421 Ultra 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,964$319Compare
Vantrel PW-7444 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,712$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-9478 Pro 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/844844 (accessed 2026-10-21).