Hardware Spec Index

Teralux PW-4170 Ultra 850W 80 PLUS Bronze SFX Power Supply

Power Supplies · Teralux · SKU PW4170-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index1,391 (Power Supplies scale)
Category rank#46,622
Street price$99
Power850 W (rated)
Performance per dollar14.05
Released2024

Specifications

BrandTeralux
ModelTeralux PW-4170 Ultra
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin2×
Form factorSFX-L
ModularityNon-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

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Cite this page: Hardware Spec Index, “Teralux PW-4170 Ultra 850W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/19974182 (accessed 2026-10-25).