Hardware Spec Index

Caldera FN-4756 Prime 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4756-PRIME · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index1,014 (Case Fans scale)
Category rank#26,550
Street price$29
Power4 W
Performance per dollar34.97
Released2025

Specifications

BrandCaldera
ModelCaldera FN-4756 Prime
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4756 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/614497 (accessed 2026-10-20).