Canon EOS-1D X Mark III Advanced User's Manual page 10

The camera does not come with a memory card (
Attach Eyecup Eg to the viewfinder eyepiece.
Be careful not to lose any of these items.
No software CD-ROM is included. Software (
website.
Caution
The transmission rate when the included interface cable is used is equivalent to
SuperSpeed USB (USB 3.1 Gen 1).
Cable Protector
) or HDMI cable.
) can be downloaded from the Canon
10