Hardware Spec Index

Caldera FN-1581 XT 120mm PWM Case Fan

Case Fans · Caldera · SKU FN1581-XT · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index768 (Case Fans scale)
Category rank#46,209
Street price$19
Power4 W
Performance per dollar40.42
Released2025

Specifications

BrandCaldera
ModelCaldera FN-1581 XT
Size120 × 120 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1581 XT 120mm PWM Case Fan”, https://vextor7.com/item/4132655 (accessed 2026-10-22).