Hardware Spec Index

Caldera FN-3998 XT 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3998-XT · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index593 (Case Fans scale)
Category rank#30,066
Street price$19
Power3 W
Performance per dollar31.21
Released2024

Specifications

BrandCaldera
ModelCaldera FN-3998 XT
Size140 × 140 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3998 XT 140mm PWM Case Fan”, https://vextor7.com/item/10435701 (accessed 2026-10-25).