Hardware Spec Index

Caldera FN-2291 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN2291-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index409 (Case Fans scale)
Category rank#2,516
Street price$9
Power2 W
Performance per dollar45.44
Released2020

Specifications

BrandCaldera
ModelCaldera FN-2291 Ultra
Size140 × 140 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-5856 XT 120mm PWM Case Fan647$19Compare
Zephyra FN-2314 Pro 120mm PWM Case Fan (3-Pack)725$29Compare
Teralux FN-9077 Ti 120mm PWM Case Fan (3-Pack)724$19Compare
Zephyra FN-6079 Pro 120mm PWM Case Fan713$19Compare
Teralux FN-4975 SE 140mm PWM Case Fan432$19Compare
Caldera FN-9502 XT 120mm PWM Case Fan769$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-2291 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/4152121 (accessed 2026-10-21).