Hardware Spec Index

Caldera FN-3728 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3728-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index263 (Case Fans scale)
Category rank#4,629
Street price$9
Power2 W
Performance per dollar29.22
Released2024

Specifications

BrandCaldera
ModelCaldera FN-3728 Ultra
Size140 × 140 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3728 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/21456527 (accessed 2026-10-26).