I considered changing to the 36, for the extra drives and the fact that pedestals would be easier to on sell (likely as you will find) but I decided against it as I'd already upgrade my existing rack to fit it in anticipation. Plus 34v36 hdds really isn't going to make much difference (~3%) and my purchase of the xs unit meant I don't have to move it on any time soon
I'm not planning on buying a slave unit, the amount of data i have is growing pretty slowly.. the extra 6tb i can get with the 12 disks, compared to my current 10, will probably last me until the time that 4 or 5 tb drives are out.
My data is growing ~200GB/wk atm. The 6 drive unit I had didn't last the time between 2 & 3tb it was supposed too. Hoping XS+1 expansion (22) will see me from 3 to 4 but if not, expansion still available; which depending on the price of 4 or 5tb hdd may be a more economical purchase. (assuming support)
all of the metal drive trays have a cut out in them
when you turn the key in the lock a metal bar slides down the center of the unit and it has branches coming off it which lock into the notches on the drive trays and completely stop you from removing any of them.
i moved my 10 disk array from my RS2211+ to DS2411+ (with a little help from harrypotter) and its all running fine now!
I am just wondering, given that in the past 1 or 2 Synology products had a 5 year warranty rather than 3 years that the majority have, why the DS3611xs & RS3411xs units only have 3 year warranties. I would have thought that given these products are marketed more as enterprise level products that it would be expected that their build quality would be superior. Has Synology actually discovered potential issues during testing that led them to this decision or was it more a matter of by limiting support to 3 years rather than 5 they could deliver at a lower price therefore making the products look more attractive to businesses on a limited budget? I'm sure the products are very good but I would love a definitive answer to this question.