Hardware Spec Index

Teralux FN-5721 SE 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN5721-SE · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index365 (Case Fans scale)
Category rank#14,456
Street price$19
Power3 W
Performance per dollar19.21
Released2021

Specifications

BrandTeralux
ModelTeralux FN-5721 SE
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-9901 Edge 120mm PWM Case Fan613$19Compare
Corvane FN-7151 Max 120mm PWM Case Fan779$19Compare
Zephyra FN-5963 Ultra 120mm PWM Case Fan382$9Compare
Caldera FN-4651 Prime 120mm PWM ARGB Case Fan1,158$39Compare
Brontix FN-5268 Ti 140mm PWM Case Fan586$19Compare
Caldera FN-4556 Core 120mm PWM ARGB Case Fan1,189$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-5721 SE 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4374535 (accessed 2026-10-19).