Hardware Spec Index

Caldera FN-8638 Ultra 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN8638-ULTRA · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index1,190 (Case Fans scale)
Category rank#43,913
Street price$39
Power3 W
Performance per dollar30.51
Released2026

Specifications

BrandCaldera
ModelCaldera FN-8638 Ultra
Size120 × 120 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-8638 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/36021087 (accessed 2026-10-23).