Hardware Spec Index

Zephyra FN-4637 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4637-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index1,316 (Case Fans scale)
Category rank#46,119
Street price$49
Power3 W
Performance per dollar26.86
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4637 Ultra
Size120 × 120 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4637 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/766917 (accessed 2026-10-22).