Hardware Spec Index

Caldera FN-5621 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN5621-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index707 (Case Fans scale)
Category rank#18,874
Street price$19
Power4 W
Performance per dollar37.21
Released2024

Specifications

BrandCaldera
ModelCaldera FN-5621 Ultra
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5621 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/4823743 (accessed 2026-10-24).