Hardware Spec Index

Caldera FN-4891 Prime 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4891-PRIME · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index1,089 (Case Fans scale)
Category rank#28,867
Street price$39
Power4 W
Performance per dollar27.92
Released2019

Specifications

BrandCaldera
ModelCaldera FN-4891 Prime
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4891 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/14973248 (accessed 2026-10-25).