Hardware Spec Index

Zephyra FN-5831 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN5831-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index1,381 (Case Fans scale)
Category rank#25,676
Street price$49
Power3 W
Performance per dollar28.18
Released2019

Specifications

BrandZephyra
ModelZephyra FN-5831 Ultra
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5831 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/6509236 (accessed 2026-10-20).