Hardware Spec Index

Zephyra FN-7991 Plus 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN7991-PLUS · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index325 (Case Fans scale)
Category rank#3,354
Street price$9
Power3 W
Performance per dollar36.11
Released2023

Specifications

BrandZephyra
ModelZephyra FN-7991 Plus
Size140 × 140 × 25 mm
Speed300–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-7991 Plus 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/89089132 (accessed 2026-10-23).