Hardware Spec Index

Caldera FN-5639 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN5639-PRIME · Released 2019 · Updated 2026-10-18

Key facts

Benchmark index438 (Case Fans scale)
Category rank#2,053
Street price$19
Power3 W
Performance per dollar23.05
Released2019

Specifications

BrandCaldera
ModelCaldera FN-5639 Prime
Size120 × 120 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5639 Prime 120mm PWM Case Fan”, https://vextor7.com/item/2007477 (accessed 2026-10-18).