Hardware Spec Index

Caldera FN-9937 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN9937-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index661 (Case Fans scale)
Category rank#6,255
Street price$19
Power3 W
Performance per dollar34.79
Released2024

Specifications

BrandCaldera
ModelCaldera FN-9937 Ultra
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9937 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/2934553 (accessed 2026-10-26).