Hardware Spec Index

Caldera FN-4277 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4277-PRO · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index253 (Case Fans scale)
Category rank#23,307
Street price$9
Power4 W
Performance per dollar28.11
Released2023

Specifications

BrandCaldera
ModelCaldera FN-4277 Pro
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4277 Pro 140mm PWM Case Fan”, https://vextor7.com/item/21889321 (accessed 2026-10-24).