Hardware Spec Index

Corvane FN-3991 XT 140mm PWM ARGB Case Fan

Case Fans · Corvane · SKU FN3991-XT · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index990 (Case Fans scale)
Category rank#36,924
Street price$29
Power3 W
Performance per dollar34.14
Released2022

Specifications

BrandCorvane
ModelCorvane FN-3991 XT
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Corvane FN-3991 XT 140mm PWM ARGB Case Fan”, https://vextor7.com/item/399541 (accessed 2026-10-24).