回答“Can the TC Drive be upgraded to 5 TB?”Seagate now has 6TB NAS optimized drives with the 26.1mm "height" spec you list. Power is 8W which might be quite a bit more than the 3TB standard. 7200RPM. My time machine drive just filled up (but it is deleting backups from last May, no huge deal. Still this would be a nice upgrade? Anybody want to take this one on?