FZ-55 Configurable I/O Port: I/O slot VGA - Serial - 2nd GLAN
FZ-55 Configurable I/O Port: I/O slot VGA - Serial - USB3.0
FZ-55 Configurable I/O Port: I/O slot VGA - Serial - RGDUSB2.0
FZ-55 MK2 Additional 1st SSD FZ-55mk2 (bottom side) - 1TB (no image, not for mk1)