Hardware Spec Index

Zephyra FN-4728 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4728-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index620 (Case Fans scale)
Category rank#40,973
Street price$19
Power3 W
Performance per dollar32.63
Released2022

Specifications

BrandZephyra
ModelZephyra FN-4728 Ultra
Size140 × 140 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4728 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/6092285 (accessed 2026-10-19).