Hardware Spec Index

Zephyra FN-3721 SE 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3721-SE · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index913 (Case Fans scale)
Category rank#403
Street price$29
Power3 W
Performance per dollar31.48
Released2024

Specifications

BrandZephyra
ModelZephyra FN-3721 SE
Size120 × 120 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise27 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-3721 SE 120mm PWM ARGB Case Fan”, https://vextor7.com/item/3278401 (accessed 2026-10-23).