Hardware Spec Index

Caldera FN-3976 Core 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3976-CORE · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index301 (Case Fans scale)
Category rank#4,833
Street price$9
Power3 W
Performance per dollar33.44
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3976 Core
Size120 × 120 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3976 Core 120mm PWM Case Fan”, https://vextor7.com/item/8064425 (accessed 2026-10-26).