Hardware Spec Index

Caldera FN-4281 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4281-PRO · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index604 (Case Fans scale)
Category rank#22,685
Street price$19
Power3 W
Performance per dollar31.79
Released2023

Specifications

BrandCaldera
ModelCaldera FN-4281 Pro
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4281 Pro 140mm PWM Case Fan”, https://vextor7.com/item/56584710 (accessed 2026-10-25).