Hardware Spec Index

Caldera FN-6857 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6857-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index623 (Case Fans scale)
Category rank#30,887
Street price$19
Power4 W
Performance per dollar32.79
Released2020

Specifications

BrandCaldera
ModelCaldera FN-6857 Ultra
Size120 × 120 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6857 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/1415705 (accessed 2026-10-24).