Hardware Spec Index

Caldera FN-5438 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN5438-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index360 (Case Fans scale)
Category rank#4,776
Street price$9
Power4 W
Performance per dollar40.00
Released2025

Specifications

BrandCaldera
ModelCaldera FN-5438 Ultra
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5438 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/854417 (accessed 2026-10-26).