Hardware Spec Index

Caldera FN-6639 Prime 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6639-PRIME · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index965 (Case Fans scale)
Category rank#33,296
Street price$29
Power4 W
Performance per dollar33.28
Released2019

Specifications

BrandCaldera
ModelCaldera FN-6639 Prime
Size120 × 120 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6639 Prime 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/63668401 (accessed 2026-10-26).