Hardware Spec Index

Novexa PW-3904 Pro 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW3904-PRO · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,741 (Power Supplies scale)
Category rank#27,866
Street price$139
Power850 W (rated)
Performance per dollar12.53
Released2021

Specifications

BrandNovexa
ModelNovexa PW-3904 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
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-5434 Prime 550W 80 PLUS Bronze ATX Power Supply1,011$59Compare
Vantrel PW-6084 Core 1000W 80 PLUS Gold ATX 3.0 Power Supply2,006$169Compare
Caldera PW-3256 SE 550W 80 PLUS Bronze ATX 3.1 Power Supply1,072$59Compare
Vantrel PW-1420 Pro 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,975$389Compare
Caldera PW-2716 Pro 550W 80 PLUS Bronze ATX Power Supply864$39Compare
Zephyra PW-4475 Plus 750W 80 PLUS Bronze SFX Power Supply1,353$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-3904 Pro 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/169228 (accessed 2026-10-20).