Hardware Spec Index

Caldera FN-4639 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4639-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,324 (Case Fans scale)
Category rank#46,826
Street price$49
Power4 W
Performance per dollar27.02
Released2021

Specifications

BrandCaldera
ModelCaldera FN-4639 Ultra
Size120 × 120 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise34 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-4639 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/25006033 (accessed 2026-10-24).