Define Series sound dampening with ModuVenttechnology for silent operation in a compact full ATX or Micro ATX form factor Optimized for high airflow and silent computing Tempered glass side panel for a clean looking exterior with full interior visibility Side and front panels are lined with industrial-grade sound dampening material Flexible storage options with room for up to 5 drives Comes with two preinstalled Fractal Design Dynamic X2 GP-12 120 mm fans optimized to deliver maximum airflow while still maintaining a low noise level Open air designed interior creates an unobstructed airflow path from the front intake to the rear exhaust Easy-to-clean high airflow nylon filters on the front and base with full PSU coverage and front access for convenience Includes optional top filter to prevent dust buildup when ModuVent is removed for additional fan slots Power supply shroud conceals drive cage and excess cabling for an even quieter and cleaner looking interior free of airflow obstruc