Hardware Spec Index

Zephyra FN-7840 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN7840-PRO · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index284 (Case Fans scale)
Category rank#25,507
Street price$9
Power2 W
Performance per dollar31.56
Released2026

Specifications

BrandZephyra
ModelZephyra FN-7840 Pro
Size140 × 140 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-7840 Pro 140mm PWM Case Fan”, https://vextor7.com/item/74899179 (accessed 2026-10-22).