Hardware Spec Index

Zephyra FN-4990 XT 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4990-XT · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index426 (Case Fans scale)
Category rank#33,136
Street price$9
Power3 W
Performance per dollar47.33
Released2020

Specifications

BrandZephyra
ModelZephyra FN-4990 XT
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4990 XT 140mm PWM Case Fan”, https://vextor7.com/item/3617501 (accessed 2026-10-25).