Hardware Spec Index

Caldera FN-3970 Max 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3970-MAX · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index785 (Case Fans scale)
Category rank#22,269
Street price$29
Power4 W
Performance per dollar27.07
Released2021

Specifications

BrandCaldera
ModelCaldera FN-3970 Max
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-5752 Max 140mm PWM Case Fan665$19Compare
Zephyra FN-8669 Ti 140mm PWM Case Fan337$9Compare
Zephyra FN-6926 Core 140mm PWM ARGB Case Fan937$29Compare
Zephyra FN-7306 XT 120mm PWM ARGB Case Fan (3-Pack)956$29Compare
Zephyra FN-9881 Max 140mm PWM Case Fan764$19Compare
Caldera FN-3544 Pro 120mm PWM ARGB Case Fan (3-Pack)1,091$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-3970 Max 140mm PWM Case Fan”, https://vextor7.com/item/21929027 (accessed 2026-10-26).