Hardware Spec Index

Caldera FN-5921 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN5921-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index573 (Case Fans scale)
Category rank#33,328
Street price$19
Power4 W
Performance per dollar30.16
Released2022

Specifications

BrandCaldera
ModelCaldera FN-5921 Ultra
Size120 × 120 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5921 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/8969896 (accessed 2026-10-20).