Hardware Spec Index

Caldera FN-3666 Core 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3666-CORE · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index760 (Case Fans scale)
Category rank#30,142
Street price$19
Power3 W
Performance per dollar40.00
Released2022

Specifications

BrandCaldera
ModelCaldera FN-3666 Core
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-6891 Max 120mm PWM ARGB Case Fan (3-Pack)1,400$49Compare
Brontix FN-6931 Edge 120mm PWM Case Fan333$9Compare
Teralux FN-7806 SE 140mm PWM ARGB Case Fan911$29Compare
Teralux FN-8025 Ultra 120mm PWM ARGB Case Fan1,157$39Compare
Zephyra FN-5745 Prime 140mm PWM Case Fan219$9Compare
Caldera FN-5835 Ultra 140mm PWM ARGB Case Fan (3-Pack)1,273$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-3666 Core 140mm PWM Case Fan”, https://vextor7.com/item/94881238 (accessed 2026-10-25).