Hardware Spec Index

Teralux PW-2581 Prime 550W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Teralux · SKU PW2581-PRIME · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index826 (Power Supplies scale)
Category rank#36,940
Street price$39
Power550 W (rated)
Performance per dollar21.18
Released2023

Specifications

BrandTeralux
ModelTeralux PW-2581 Prime
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (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
Warranty5 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-5958 Plus 1600W 80 PLUS Titanium ATX Power Supply2,868$389Compare
Novexa PW-6383 Edge 750W 80 PLUS Bronze ATX 3.1 Power Supply1,357$79Compare
Zephyra PW-4226 Max 1300W 80 PLUS Titanium ATX Power Supply2,716$339Compare
Teralux PW-2834 Ti 1000W 80 PLUS Gold ATX Power Supply1,651$119Compare
Teralux PW-1149 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,725$129Compare
Vantrel PW-4565 Prime 650W 80 PLUS Bronze ATX 3.0 Power Supply1,267$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Teralux PW-2581 Prime 550W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/3850722 (accessed 2026-10-20).