Hardware Spec Index

Teralux PW-6391 Plus 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Teralux · SKU PW6391-PLUS · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index1,799 (Power Supplies scale)
Category rank#17,534
Street price$129
Power850 W (rated)
Performance per dollar13.95
Released2023

Specifications

BrandTeralux
ModelTeralux PW-6391 Plus
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorSFX-L
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Zephyra PW-9466 Ultra 1300W 80 PLUS Titanium ATX Power Supply2,466$269Compare
Caldera PW-1617 Pro 1200W 80 PLUS Titanium ATX Power Supply2,777$359Compare
Caldera PW-7529 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply818$39Compare
Teralux PW-2619 Plus 650W 80 PLUS Bronze ATX 3.1 Power Supply951$49Compare
Teralux PW-3108 Max 1000W 80 PLUS Platinum SFX Power Supply1,912$199Compare
Zephyra PW-8742 Plus 850W 80 PLUS Gold SFX Power Supply1,712$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Teralux PW-6391 Plus 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/978867 (accessed 2026-10-21).