Hardware Spec Index

Caldera FN-1977 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN1977-PRIME · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index655 (Case Fans scale)
Category rank#11,401
Street price$19
Power2 W
Performance per dollar34.47
Released2021

Specifications

BrandCaldera
ModelCaldera FN-1977 Prime
Size120 × 120 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1977 Prime 120mm PWM Case Fan”, https://vextor7.com/item/12565482 (accessed 2026-10-26).