I was under the impression that the max was a 1tb hard drive for the 211k.. I was shopping for a HD, the 1tb was $80 and for an extra $10 I got a 1.5tb never thinking that they say the max is 1tb. I activated the 1.5 anyway and my record time is HD: 145hr 45 min, and SD: 591hr 0 min.. Haven't recorded anything yet so I don't know if it'll chew up more space than normal with the bigger HD. Maybe they up the capability? Sure hope they did, that's an awful amount of record time!!