Hardware Spec Index

Caldera FN-3970 SE 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3970-SE · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index624 (Case Fans scale)
Category rank#31,516
Street price$19
Power4 W
Performance per dollar32.84
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3970 SE
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise24 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
Brontix FN-4450 Ultra 120mm PWM ARGB Case Fan963$29Compare
Corvane FN-9845 Edge 120mm PWM Case Fan338$9Compare
Brontix FN-7705 XT 120mm PWM Case Fan261$9Compare
Brontix FN-5055 SE 120mm PWM Case Fan209$9Compare
Zephyra FN-4651 Plus 120mm PWM ARGB Case Fan1,136$39Compare
Caldera FN-9672 Edge 140mm PWM Case Fan251$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-3970 SE 140mm PWM Case Fan”, https://vextor7.com/item/4223441 (accessed 2026-10-22).