Sfera Labs SPMC12X42 Strato Pi CAN Server with Raspberry Pi 4 Model B 2GB offers many hardware features making it suitable for professional applications where reliability and service continuity are vital requirements. The Sfera Labs SPMC12X42 Strato Pi CAN Server contains a standard Raspberry Pi 4 Model B single-board computer, with WiFi and Bluetooth radios, in a plastic standard DIN-rail case. These single board computers are user accessible and replaceable.