Digidesign offers DigiLink cables in five different sizes, as follows:
DigiLink 1.5'
Same cable that is included with every 192 I/O and 96 I/O. Available separately as MH087. 1.5 foot length.
DigiLink 12'
Same cable that is included in every Pro Tools|HD core system. Available separately as MH088. 12 foot length.
DigiLink 25'
Twenty-five foot length allows you to further separate your I/O from your CPU / HD Core. Available as MH093.
DigiLink 50'
Fifty foot length allows you to further separate your I/O from your CPU / HD Core. Available as MH089.
DigiLink 100'
One hundred foot length allows you to greatly separate your I/O from your CPU/HD Core. Available as MH090. Note that this cable length does not support sample rates above 96 kHz