Hardware Spec Index

Caldera FN-3639 Max 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3639-MAX · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index585 (Case Fans scale)
Category rank#29,282
Street price$19
Power3 W
Performance per dollar30.79
Released2026

Specifications

BrandCaldera
ModelCaldera FN-3639 Max
Size140 × 140 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-8856 SE 120mm PWM ARGB Case Fan1,091$39Compare
Brontix FN-3442 Edge 120mm PWM ARGB Case Fan1,055$39Compare
Teralux FN-7649 XT 120mm PWM ARGB Case Fan853$29Compare
Teralux FN-2848 Plus 120mm PWM ARGB Case Fan1,136$39Compare
Zephyra FN-8381 SE 120mm PWM Case Fan638$19Compare
Corvane FN-4595 XT 120mm PWM ARGB Case Fan1,400$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-3639 Max 140mm PWM Case Fan”, https://vextor7.com/item/21455880 (accessed 2026-10-26).