Hardware Spec Index

Caldera FN-5921 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5921-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index544 (Case Fans scale)
Category rank#5,213
Street price$19
Power3 W
Performance per dollar28.63
Released2019

Specifications

BrandCaldera
ModelCaldera FN-5921 Ultra
Size120 × 120 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5921 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/8871069 (accessed 2026-10-24).