Hardware Spec Index

Caldera FN-4971 XT 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4971-XT · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index804 (Case Fans scale)
Category rank#19,862
Street price$29
Power2 W
Performance per dollar27.72
Released2023

Specifications

BrandCaldera
ModelCaldera FN-4971 XT
Size140 × 140 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4971 XT 140mm PWM Case Fan”, https://vextor7.com/item/31583565 (accessed 2026-10-26).