Hardware Spec Index

Zephyra FN-4052 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4052-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index710 (Case Fans scale)
Category rank#21,225
Street price$19
Power4 W
Performance per dollar37.37
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4052 Ultra
Size140 × 140 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4052 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/2100633 (accessed 2026-10-22).