Hardware Spec Index

Caldera FN-3890 Max 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3890-MAX · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index316 (Case Fans scale)
Category rank#31,543
Street price$9
Power4 W
Performance per dollar35.11
Released2021

Specifications

BrandCaldera
ModelCaldera FN-3890 Max
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3890 Max 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/6089995 (accessed 2026-10-24).