Hardware Spec Index

Caldera FN-3551 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3551-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index1,189 (Case Fans scale)
Category rank#1,326
Street price$39
Power2 W
Performance per dollar30.49
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3551 Ultra
Size140 × 140 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3551 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/1934819 (accessed 2026-10-25).