Hello Ibrahim, (and anyone else who may be interested), Mo Iqbal has just upgraded two Z500's for me with tb2 hard drives. You have to choose the drives carefully to give minimal heat output, as there are no vents in the unit's case, and no internal fan, despite a port on the back facia. However both units are working fine (so far) and give hr117 capacity approx. Mo has done a very good job, and found ways to get arround all the problems he came across. The Z500 performs exactly the same as the dtr500hd, with the same idiosyncracies! (i.e. fast foreward, and fast rewind are disabled on playback of radio progs, and some timer recordings only record for min2, even when there are no conflicts). But this is the best machine with speach we are going to get, probably for the next five years I'm afraid. To access hours used, and hours remaing, press the "library" button, and the information will appear on the screen. If you can't see the screen,, Tough Sh1t!!! John ----- Original Message ----- From: Ibrahim Gucukoglu To: access-uk@xxxxxxxxxxxxx Sent: Tuesday, September 04, 2012 10:31 PM Subject: [access-uk] Re: t-vonics hard drive upgrade highly recommended Hi Julie. Was this mo by the way? Please reply off list if you wish to, however I seem to remember him advertising such a service but I never looked in to it because I have the Z500HD which is a bugger to get in to because of its design apparently. All the best, Ibrahim. From: julie rodaway Sent: Tuesday, September 04, 2012 10:08 PM To: access-uk@xxxxxxxxxxxxx Subject: [access-uk] t-vonics hard drive upgrade highly recommended Anybody contemplating having this done should not hesitate. I sent mine to a member of this list who subsequently upgraded this for me to a two terabyte hard drive. The upgrade went without any hitch and was carried out quickly and effeciently. As was pointed out, the voice no longer stutters and the drive doesn't seem to freeze. The price was reasonable and all my recordings were transferred onto the new drive at my request. Try it for yourself and I'm sure you won't regret it. Kind regards, Julie.