Hardware Spec Index

Caldera FN-4185 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4185-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index312 (Case Fans scale)
Category rank#37,735
Street price$9
Power2 W
Performance per dollar34.67
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4185 Ultra
Size120 × 120 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4185 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1284468 (accessed 2026-10-25).