Hardware Spec Index

Caldera FN-4781 XT 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4781-XT · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index338 (Case Fans scale)
Category rank#30,296
Street price$19
Power3 W
Performance per dollar17.79
Released2025

Specifications

BrandCaldera
ModelCaldera FN-4781 XT
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4781 XT 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3714756 (accessed 2026-10-21).