Hardware Spec Index

Caldera FN-3644 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3644-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index217 (Case Fans scale)
Category rank#43,972
Street price$9
Power4 W
Performance per dollar24.11
Released2024

Specifications

BrandCaldera
ModelCaldera FN-3644 Ultra
Size120 × 120 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3644 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/7670727 (accessed 2026-10-26).