Hardware Spec Index

Zephyra FN-6636 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN6636-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index1,380 (Case Fans scale)
Category rank#1,586
Street price$49
Power4 W
Performance per dollar28.16
Released2025

Specifications

BrandZephyra
ModelZephyra FN-6636 Ultra
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6636 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/6933075 (accessed 2026-10-24).