Hardware Spec Index

Caldera FN-2251 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN2251-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index822 (Case Fans scale)
Category rank#31,859
Street price$19
Power4 W
Performance per dollar43.26
Released2023

Specifications

BrandCaldera
ModelCaldera FN-2251 Ultra
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2251 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3876409 (accessed 2026-10-20).