Hardware Spec Index

Zephyra FN-5640 Pro 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN5640-PRO · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index1,356 (Case Fans scale)
Category rank#32,790
Street price$49
Power2 W
Performance per dollar27.67
Released2020

Specifications

BrandZephyra
ModelZephyra FN-5640 Pro
Size140 × 140 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5640 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/35301038 (accessed 2026-10-25).