Hardware Spec Index

Caldera FN-6338 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6338-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index340 (Case Fans scale)
Category rank#3,998
Street price$9
Power3 W
Performance per dollar37.78
Released2019

Specifications

BrandCaldera
ModelCaldera FN-6338 Ultra
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6338 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/87637714 (accessed 2026-10-24).