It should work. People have previously used 2gb external arrays with the units successfully.
Yes, I've been using the 1.5TB Seagate drive with the Antex MX-1 case with my HR21-700. It's been two weeks and it's working fine so far.johnhnhn said:I have a HR21-700. Has anyone been able to use an external hard drive with one of the new 1.5 TB Seagate drives in it?