Hardware Spec Index

Caldera FN-3978 Ultra 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3978-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index1,108 (Case Fans scale)
Category rank#30,926
Street price$39
Power4 W
Performance per dollar28.41
Released2023

Specifications

BrandCaldera
ModelCaldera FN-3978 Ultra
Size120 × 120 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-1109 Pro 120mm PWM Case Fan694$19Compare
Teralux FN-7619 Ultra 140mm PWM ARGB Case Fan938$29Compare
Zephyra FN-3314 Ultra 120mm PWM ARGB Case Fan1,090$39Compare
Teralux FN-7497 Ultra 120mm PWM ARGB Case Fan893$29Compare
Caldera FN-3907 Ti 140mm PWM ARGB Case Fan1,169$39Compare
Teralux FN-3424 XT 140mm PWM Case Fan784$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-3978 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/95031501 (accessed 2026-10-24).