Hardware Spec Index

Caldera FN-6838 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6838-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index436 (Case Fans scale)
Category rank#23,136
Street price$19
Power3 W
Performance per dollar22.95
Released2020

Specifications

BrandCaldera
ModelCaldera FN-6838 Ultra
Size140 × 140 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6838 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/580326 (accessed 2026-10-19).