Hardware Spec Index

Zephyra FN-3647 Prime 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3647-PRIME · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index1,148 (Case Fans scale)
Category rank#28,828
Street price$49
Power3 W
Performance per dollar23.43
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3647 Prime
Size120 × 120 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3647 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/3237283 (accessed 2026-10-21).