Hardware Spec Index

Zephyra FN-1638 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN1638-PRO · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index327 (Case Fans scale)
Category rank#27,774
Street price$9
Power4 W
Performance per dollar36.33
Released2026

Specifications

BrandZephyra
ModelZephyra FN-1638 Pro
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1638 Pro 140mm PWM Case Fan”, https://vextor7.com/item/28292110 (accessed 2026-10-19).