Hardware Spec Index

Caldera FN-2481 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN2481-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index415 (Case Fans scale)
Category rank#3,643
Street price$9
Power3 W
Performance per dollar46.11
Released2025

Specifications

BrandCaldera
ModelCaldera FN-2481 Ultra
Size120 × 120 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2481 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/94517050 (accessed 2026-10-25).