Hardware Spec Index

Caldera FN-4781 Prime 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4781-PRIME · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index1,166 (Case Fans scale)
Category rank#37,860
Street price$39
Power2 W
Performance per dollar29.90
Released2023

Specifications

BrandCaldera
ModelCaldera FN-4781 Prime
Size140 × 140 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise35 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-4781 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/430749 (accessed 2026-10-20).