Hardware Spec Index

Zephyra FN-4637 Prime 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4637-PRIME · Released 2019 · Updated 2026-10-18

Key facts

Benchmark index1,339 (Case Fans scale)
Category rank#45,969
Street price$49
Power4 W
Performance per dollar27.33
Released2019

Specifications

BrandZephyra
ModelZephyra FN-4637 Prime
Size120 × 120 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4637 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/17517664 (accessed 2026-10-18).