Hardware Spec Index

Caldera FN-4870 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4870-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index274 (Case Fans scale)
Category rank#5,719
Street price$9
Power3 W
Performance per dollar30.44
Released2024

Specifications

BrandCaldera
ModelCaldera FN-4870 Ultra
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4870 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/5889012 (accessed 2026-10-22).