Hardware Spec Index

Zephyra FN-3998 XT 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3998-XT · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index266 (Case Fans scale)
Category rank#21,294
Street price$9
Power4 W
Performance per dollar29.56
Released2025

Specifications

BrandZephyra
ModelZephyra FN-3998 XT
Size120 × 120 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3998 XT 120mm PWM Case Fan”, https://vextor7.com/item/2179652 (accessed 2026-10-19).