Hardware Spec Index

Caldera FN-4331 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4331-ULTRA · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index407 (Case Fans scale)
Category rank#20,889
Street price$9
Power3 W
Performance per dollar45.22
Released2026

Specifications

BrandCaldera
ModelCaldera FN-4331 Ultra
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4331 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/4472181 (accessed 2026-10-24).