Hardware Spec Index

Zephyra FN-4656 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4656-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index532 (Case Fans scale)
Category rank#31,598
Street price$19
Power3 W
Performance per dollar28.00
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4656 Ultra
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4656 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/9817692 (accessed 2026-10-26).