Hardware Spec Index

Caldera FN-6238 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6238-ULTRA · Released 2026 · Updated 2026-10-18

Key facts

Benchmark index291 (Case Fans scale)
Category rank#48,552
Street price$9
Power3 W
Performance per dollar32.33
Released2026

Specifications

BrandCaldera
ModelCaldera FN-6238 Ultra
Size140 × 140 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6238 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/7992003 (accessed 2026-10-18).