Hardware Spec Index

Zephyra FN-6635 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN6635-PRIME · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index288 (Case Fans scale)
Category rank#18,653
Street price$9
Power4 W
Performance per dollar32.00
Released2025

Specifications

BrandZephyra
ModelZephyra FN-6635 Prime
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6635 Prime 140mm PWM Case Fan”, https://vextor7.com/item/6920760 (accessed 2026-10-25).