Hardware Spec Index

Teralux PW-1789 Ultra 850W 80 PLUS Platinum ATX 3.0 Power Supply

Power Supplies · Teralux · SKU PW1789-ULTRA · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index1,887 (Power Supplies scale)
Category rank#35,933
Street price$169
Power850 W (rated)
Performance per dollar11.17
Released2022

Specifications

BrandTeralux
ModelTeralux PW-1789 Ultra
Rated output850 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully 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
Zephyra PW-4889 Ultra 650W 80 PLUS Bronze SFX Power Supply1,273$79Compare
Teralux PW-4021 Pro 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,177$239Compare
Novexa PW-5322 Max 1000W 80 PLUS Gold SFX Power Supply2,082$169Compare
Caldera PW-9455 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply890$39Compare
Novexa PW-4915 Plus 550W 80 PLUS Gold ATX Power Supply818$39Compare
Zephyra PW-9060 Pro 650W 80 PLUS Bronze ATX 3.0 Power Supply878$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Teralux PW-1789 Ultra 850W 80 PLUS Platinum ATX 3.0 Power Supply”, https://vextor7.com/item/15438445 (accessed 2026-10-23).