Hardware Spec Index

Teralux FN-3721 SE 120mm PWM Case Fan

Case Fans · Teralux · SKU FN3721-SE · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index536 (Case Fans scale)
Category rank#4,494
Street price$19
Power3 W
Performance per dollar28.21
Released2025

Specifications

BrandTeralux
ModelTeralux FN-3721 SE
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-5609 Core 120mm PWM ARGB Case Fan1,282$49Compare
Brontix FN-7983 XT 120mm PWM ARGB Case Fan (3-Pack)1,339$49Compare
Brontix FN-6137 SE 140mm PWM ARGB Case Fan1,343$49Compare
Corvane FN-3292 Ultra 120mm PWM ARGB Case Fan (3-Pack)1,307$39Compare
Brontix FN-1809 Core 120mm PWM Case Fan325$9Compare
Caldera FN-6226 Ultra 140mm PWM ARGB Case Fan1,058$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3721 SE 120mm PWM Case Fan”, https://vextor7.com/item/2052987 (accessed 2026-10-21).