Hardware Spec Index

Caldera FN-2421 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN2421-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index629 (Case Fans scale)
Category rank#26,719
Street price$19
Power3 W
Performance per dollar33.11
Released2024

Specifications

BrandCaldera
ModelCaldera FN-2421 Ultra
Size120 × 120 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2421 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/21392899 (accessed 2026-10-19).