Hardware Spec Index

Caldera FN-6331 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6331-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index648 (Case Fans scale)
Category rank#3,742
Street price$19
Power3 W
Performance per dollar34.11
Released2019

Specifications

BrandCaldera
ModelCaldera FN-6331 Ultra
Size120 × 120 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6331 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/1296889 (accessed 2026-10-20).