Hardware Spec Index

Caldera FN-5641 XT 140mm PWM Case Fan

Case Fans · Caldera · SKU FN5641-XT · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index437 (Case Fans scale)
Category rank#30,055
Street price$19
Power4 W
Performance per dollar23.00
Released2025

Specifications

BrandCaldera
ModelCaldera FN-5641 XT
Size140 × 140 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5641 XT 140mm PWM Case Fan”, https://vextor7.com/item/19747762 (accessed 2026-10-23).