Hardware Spec Index

Caldera FN-3979 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3979-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index563 (Case Fans scale)
Category rank#38,610
Street price$19
Power4 W
Performance per dollar29.63
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3979 Ultra
Size120 × 120 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3979 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/20167322 (accessed 2026-10-19).