Hardware Spec Index

Caldera FN-3977 Plus 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3977-PLUS · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index995 (Case Fans scale)
Category rank#3,135
Street price$39
Power3 W
Performance per dollar25.51
Released2023

Specifications

BrandCaldera
ModelCaldera FN-3977 Plus
Size140 × 140 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3977 Plus 140mm PWM ARGB Case Fan”, https://vextor7.com/item/31924052 (accessed 2026-10-23).