Hardware Spec Index

Caldera FN-3943 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3943-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index671 (Case Fans scale)
Category rank#16,172
Street price$19
Power4 W
Performance per dollar35.32
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3943 Ultra
Size120 × 120 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3943 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3453189 (accessed 2026-10-23).