All Ports are Available for Use New SD card Slot design can help insert/remove SD card easily. It allows camera, Micro HDMI cable, USB C, USB Ethernet A/V interface and other ports for Pi 4 access. Good Heat Dissipation Performance Long lasting exact fit :CPU and LAN chipset heat sink are fabricated specifically for the Raspberry Pi 4. Double-sided thermal transfer tape offers high thermal conductivity and long lasting adhesion in all mounting scenarios. Quite cooling fan 13dB, 6000r/min , quickly remove amounts of heat from the case. Fan is attached with four screws for case. Fit and Protect Your Raspberry Pi The 4 anti-slip pads in bottom (install by yourself) increase the friction with the tabletop to fix your Raspberry Pi, protect your shell from scratches. Strong case to protect your Pi also. Note: These heat sink is suitable for Raspberry Pi 4 Model B only. Raspberry Pi 4 not include.