Hardware Spec Index

Zephyra FN-4639 XT 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4639-XT · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index336 (Case Fans scale)
Category rank#47,556
Street price$9
Power3 W
Performance per dollar37.33
Released2025

Specifications

BrandZephyra
ModelZephyra FN-4639 XT
Size120 × 120 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4639 XT 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/87638102 (accessed 2026-10-24).