Hardware Spec Index

Vantrel PW-3946 Ultra 850W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Vantrel · SKU PW3946-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,419 (Power Supplies scale)
Category rank#3,832
Street price$89
Power850 W (rated)
Performance per dollar15.94
Released2023

Specifications

BrandVantrel
ModelVantrel PW-3946 Ultra
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularitySemi-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Teralux PW-5428 Edge 850W 80 PLUS Gold ATX 3.1 Power Supply1,678$119Compare
Vantrel PW-6382 Ti 750W 80 PLUS Gold ATX 3.1 Power Supply1,447$89Compare
Novexa PW-7211 Prime 650W 80 PLUS Bronze ATX 3.1 Power Supply880$49Compare
Caldera PW-7050 Core 550W 80 PLUS Bronze ATX 3.1 Power Supply1,014$49Compare
Zephyra PW-4009 Core 850W 80 PLUS Gold ATX 3.1 Power Supply1,946$189Compare
Vantrel PW-7612 Ti 550W 80 PLUS Bronze ATX Power Supply796$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Vantrel PW-3946 Ultra 850W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/93666640 (accessed 2026-10-19).