The Quattro case is designed to house the Raspberry Pi B+, Pi 2B or Pi 3B single board computers and a 2.5 inch hard drive.

Media server function with space for internal 2.5 HDD
Various mount options including VESA (100mm)
Non-slip rubber feet
LEDs guides for Power & Action on Pi B+ / Pi 2 / Pi 3 PCBs
Internal space for addition of Pi HAT PCBs
Internal space for hidden Pi camera (front facing)
Removable panel for SD card access
Top cover with easy clip system for PCB access if required
Excellent ventilation with space for on-board heatsinks
Recessed pockets for access to all external connectors