Hardware Spec Index

Caldera FN-6855 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6855-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index218 (Case Fans scale)
Category rank#28,808
Street price$9
Power4 W
Performance per dollar24.22
Released2021

Specifications

BrandCaldera
ModelCaldera FN-6855 Ultra
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6855 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/13596208 (accessed 2026-10-19).