Hardware Spec Index

Zephyra FN-3931 Prime 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3931-PRIME · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index1,357 (Case Fans scale)
Category rank#33,982
Street price$49
Power3 W
Performance per dollar27.69
Released2023

Specifications

BrandZephyra
ModelZephyra FN-3931 Prime
Size140 × 140 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise32 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-3931 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/8754483 (accessed 2026-10-23).