Hardware Spec Index

Caldera FN-2647 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN2647-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index683 (Case Fans scale)
Category rank#23,744
Street price$19
Power3 W
Performance per dollar35.95
Released2021

Specifications

BrandCaldera
ModelCaldera FN-2647 Ultra
Size140 × 140 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-8993 Prime 120mm PWM Case Fan (3-Pack)425$19Compare
Zephyra FN-6322 Max 140mm PWM ARGB Case Fan1,140$39Compare
Zephyra FN-5326 Core 120mm PWM Case Fan264$9Compare
Teralux FN-8756 Plus 140mm PWM Case Fan770$29Compare
Teralux FN-2804 Max 120mm PWM ARGB Case Fan1,029$39Compare
Corvane FN-9019 Plus 120mm PWM Case Fan731$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-2647 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/4583580 (accessed 2026-10-21).