Hardware Spec Index

Teralux FN-2581 Plus 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN2581-PLUS · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index1,170 (Case Fans scale)
Category rank#37,441
Street price$39
Power3 W
Performance per dollar30.00
Released2019

Specifications

BrandTeralux
ModelTeralux FN-2581 Plus
Size140 × 140 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-6840 Prime 120mm PWM ARGB Case Fan1,400$49Compare
Caldera FN-5032 Ultra 140mm PWM Case Fan551$19Compare
Brontix FN-5888 Prime 120mm PWM ARGB Case Fan974$29Compare
Caldera FN-6874 XT 120mm PWM Case Fan (3-Pack)610$19Compare
Caldera FN-8196 Ultra 140mm PWM Case Fan331$9Compare
Zephyra FN-9679 Ti 120mm PWM Case Fan577$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-2581 Plus 140mm PWM ARGB Case Fan”, https://vextor7.com/item/2257803 (accessed 2026-10-25).