Hardware Spec Index

Caldera FN-5881 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN5881-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index731 (Case Fans scale)
Category rank#36,351
Street price$19
Power3 W
Performance per dollar38.47
Released2021

Specifications

BrandCaldera
ModelCaldera FN-5881 Ultra
Size120 × 120 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5881 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/3695503 (accessed 2026-10-23).