Hardware Spec Index

Caldera FN-4321 Pro 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4321-PRO · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,005 (Case Fans scale)
Category rank#14,841
Street price$39
Power3 W
Performance per dollar25.77
Released2023

Specifications

BrandCaldera
ModelCaldera FN-4321 Pro
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4321 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4209752 (accessed 2026-10-19).