Hardware Spec Index

Caldera FN-5540 XT 140mm PWM Case Fan

Case Fans · Caldera · SKU FN5540-XT · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index307 (Case Fans scale)
Category rank#31,781
Street price$9
Power3 W
Performance per dollar34.11
Released2024

Specifications

BrandCaldera
ModelCaldera FN-5540 XT
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5540 XT 140mm PWM Case Fan”, https://vextor7.com/item/7576547 (accessed 2026-10-20).