Hardware Spec Index

Teralux PW-3920 Ultra 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Teralux · SKU PW3920-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,606 (Power Supplies scale)
Category rank#33,733
Street price$119
Power850 W (rated)
Performance per dollar13.50
Released2021

Specifications

BrandTeralux
ModelTeralux PW-3920 Ultra
Rated output850 W continuous
Efficiency80 PLUS Gold (90% 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
Teralux PW-9662 Pro 1000W 80 PLUS Gold ATX 3.1 Power Supply1,905$179Compare
Caldera PW-5411 Plus 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,934$339Compare
Novexa PW-5472 Max 1000W 80 PLUS Gold ATX Power Supply2,291$229Compare
Vantrel PW-5261 Core 850W 80 PLUS Gold ATX 3.0 Power Supply1,180$69Compare
Zephyra PW-7687 XT 550W 80 PLUS Bronze ATX 3.0 Power Supply721$39Compare
Zephyra PW-7422 Core 850W 80 PLUS Gold ATX Power Supply1,217$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Teralux PW-3920 Ultra 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/5405016 (accessed 2026-10-24).