Hardware Spec Index

Zephyra FN-3990 XT 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3990-XT · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index334 (Case Fans scale)
Category rank#22,996
Street price$9
Power4 W
Performance per dollar37.11
Released2026

Specifications

BrandZephyra
ModelZephyra FN-3990 XT
Size120 × 120 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3990 XT 120mm PWM Case Fan”, https://vextor7.com/item/13437331 (accessed 2026-10-20).