Hardware Spec Index

Caldera FN-6240 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6240-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index396 (Case Fans scale)
Category rank#25,597
Street price$9
Power3 W
Performance per dollar44.00
Released2023

Specifications

BrandCaldera
ModelCaldera FN-6240 Ultra
Size140 × 140 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-1867 SE 120mm PWM ARGB Case Fan1,324$49Compare
Teralux FN-8471 Core 120mm PWM Case Fan349$9Compare
Zephyra FN-2370 Ultra 140mm PWM ARGB Case Fan (3-Pack)1,248$39Compare
Caldera FN-1593 Edge 120mm PWM ARGB Case Fan1,344$49Compare
Brontix FN-7352 Ti 120mm PWM Case Fan692$19Compare
Zephyra FN-9952 SE 140mm PWM ARGB Case Fan1,103$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-6240 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/19815580 (accessed 2026-10-22).