Hardware Spec Index

Teralux PW-1491 Pro 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Teralux · SKU PW1491-PRO · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index708 (Power Supplies scale)
Category rank#7,654
Street price$39
Power550 W (rated)
Performance per dollar18.15
Released2025

Specifications

BrandTeralux
ModelTeralux PW-1491 Pro
Rated output550 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 factorATX
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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-8904 Pro 550W 80 PLUS Bronze ATX Power Supply956$49Compare
Zephyra PW-6139 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply1,504$99Compare
Vantrel PW-5845 Edge 750W 80 PLUS Bronze ATX Power Supply1,312$69Compare
Zephyra PW-3974 XT 650W 80 PLUS Gold ATX 3.0 Power Supply867$39Compare
Zephyra PW-6643 Pro 750W 80 PLUS Gold ATX 3.1 Power Supply1,288$69Compare
Vantrel PW-9022 SE 650W 80 PLUS Gold ATX 3.1 Power Supply907$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Teralux PW-1491 Pro 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/2138996 (accessed 2026-10-23).