MINT condition Avid's DigiLink Card expands the I/O to 64 channels via 2 ports using DigiLink cables. 
Product Features:

• MTRX I/O 64 Channel Expansion
• Allows for additional inputs from Protools HDX or second Protools HDX system
• 2 Separate Ports
• Each Port provides 32 Channels 

Very lightly used in a single small facility. Kept dust-free and in perfect working and cosmetic condition. Will work with MTRX and MTRX2.