Hardware Spec Index

Zephyra FN-3641 Ultra 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3641-ULTRA · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index1,206 (Case Fans scale)
Category rank#22,101
Street price$39
Power4 W
Performance per dollar30.92
Released2026

Specifications

BrandZephyra
ModelZephyra FN-3641 Ultra
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise22 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-3641 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/2465079 (accessed 2026-10-24).