Hardware Spec Index

Caldera FN-4981 Core 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4981-CORE · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index361 (Case Fans scale)
Category rank#3,460
Street price$9
Power3 W
Performance per dollar40.11
Released2024

Specifications

BrandCaldera
ModelCaldera FN-4981 Core
Size140 × 140 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4981 Core 140mm PWM Case Fan”, https://vextor7.com/item/31672890 (accessed 2026-10-25).