Hardware Spec Index

Zephyra FN-3803 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3803-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index630 (Case Fans scale)
Category rank#16,335
Street price$19
Power3 W
Performance per dollar33.16
Released2024

Specifications

BrandZephyra
ModelZephyra FN-3803 Ultra
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3803 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/45307027 (accessed 2026-10-20).