Hardware Spec Index

Caldera FN-3671 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3671-PRO · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index484 (Case Fans scale)
Category rank#42,703
Street price$19
Power3 W
Performance per dollar25.47
Released2026

Specifications

BrandCaldera
ModelCaldera FN-3671 Pro
Size140 × 140 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-6238 Pro 140mm PWM Case Fan357$9Compare
Brontix FN-7896 Core 120mm PWM ARGB Case Fan1,298$39Compare
Brontix FN-4306 Pro 120mm PWM Case Fan (3-Pack)608$19Compare
Caldera FN-8745 Plus 140mm PWM ARGB Case Fan815$29Compare
Brontix FN-8326 Plus 120mm PWM ARGB Case Fan (3-Pack)1,205$39Compare
Brontix FN-3166 Prime 120mm PWM ARGB Case Fan1,400$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-3671 Pro 140mm PWM Case Fan”, https://vextor7.com/item/29959206 (accessed 2026-10-24).