Hardware Spec Index

Caldera FN-2977 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN2977-ULTRA · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index375 (Case Fans scale)
Category rank#43,224
Street price$9
Power4 W
Performance per dollar41.67
Released2019

Specifications

BrandCaldera
ModelCaldera FN-2977 Ultra
Size120 × 120 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2977 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/5836076 (accessed 2026-10-21).