Hardware Spec Index

Teralux PW-1946 Ultra 650W 80 PLUS Bronze SFX Power Supply

Power Supplies · Teralux · SKU PW1946-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index1,263 (Power Supplies scale)
Category rank#39,081
Street price$59
Power650 W (rated)
Performance per dollar21.41
Released2025

Specifications

BrandTeralux
ModelTeralux PW-1946 Ultra
Rated output650 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-pin1×
Form factorSFX-L
ModularityNon-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-5089 Ti 1600W 80 PLUS Titanium ATX Power Supply2,904$359Compare
Caldera PW-2805 SE 650W 80 PLUS Gold ATX Power Supply1,158$69Compare
Zephyra PW-5800 Core 850W 80 PLUS Gold ATX 3.0 Power Supply1,793$149Compare
Zephyra PW-9893 Core 1000W 80 PLUS Gold ATX 3.1 Power Supply2,292$239Compare
Caldera PW-9299 Core 650W 80 PLUS Bronze ATX 3.1 Power Supply833$39Compare
Vantrel PW-8313 Pro 1300W 80 PLUS Platinum ATX Power Supply2,908$369Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Teralux PW-1946 Ultra 650W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/43671477 (accessed 2026-10-23).