Hardware Spec Index

Caldera FN-3721 SE 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3721-SE · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index808 (Case Fans scale)
Category rank#47,288
Street price$19
Power3 W
Performance per dollar42.53
Released2024

Specifications

BrandCaldera
ModelCaldera FN-3721 SE
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-9655 Ti 140mm PWM Case Fan211$9Compare
Teralux FN-6757 Ti 140mm PWM ARGB Case Fan1,051$39Compare
Caldera FN-9146 Ultra 140mm PWM Case Fan (3-Pack)432$19Compare
Zephyra FN-3325 Prime 140mm PWM Case Fan778$19Compare
Teralux FN-6287 Edge 140mm PWM ARGB Case Fan1,226$39Compare
Caldera FN-6187 Ultra 140mm PWM Case Fan319$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-3721 SE 120mm PWM Case Fan”, https://vextor7.com/item/4644545 (accessed 2026-10-21).