Hardware Spec Index

Caldera FN-6637 Pro 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN6637-PRO · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index1,156 (Case Fans scale)
Category rank#6,862
Street price$39
Power4 W
Performance per dollar29.64
Released2021

Specifications

BrandCaldera
ModelCaldera FN-6637 Pro
Size120 × 120 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise28 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-6637 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/844066 (accessed 2026-10-23).