Hardware Spec Index

Caldera FN-5721 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5721-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index690 (Case Fans scale)
Category rank#36,378
Street price$19
Power4 W
Performance per dollar36.32
Released2022

Specifications

BrandCaldera
ModelCaldera FN-5721 Ultra
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5721 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/69027851 (accessed 2026-10-26).