Hardware Spec Index

Zephyra FN-3984 XT 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3984-XT · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index262 (Case Fans scale)
Category rank#49,373
Street price$9
Power3 W
Performance per dollar29.11
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3984 XT
Size120 × 120 × 25 mm
Speed400–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3984 XT 120mm PWM Case Fan”, https://vextor7.com/item/20135150 (accessed 2026-10-22).