Hardware Spec Index

Zephyra FN-3621 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3621-PRIME · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index513 (Case Fans scale)
Category rank#26,240
Street price$19
Power4 W
Performance per dollar27.00
Released2019

Specifications

BrandZephyra
ModelZephyra FN-3621 Prime
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3621 Prime 140mm PWM Case Fan”, https://vextor7.com/item/6559371 (accessed 2026-10-25).