So I've been a Drobo user for over 5 years now. I have three of them, including a 1st generation one. Love them, couldn't be happier with them. They've each been running pretty much non-stop since I bought them and I've never had any real problems with them. However, I'm beginning to run out of room on my Drobo S with 5 3TB drives in it. I've been considering getting an 8 bay Drobo for future expansion, without having to buy the largest(and most expensive) drives every time. I realized though that if I was to do that, I'd pretty much hit the 16TB volume limit on the Drobo with just the drives I have laying around. Now I know it would just create another 16TB volume and put the excess space on that, but that complicates my iTunes library management. I've already dealt with trying to span my library over several drives before, and it can get out of hand very quickly. I probably won't hit the 16TB mark for at least two more years, but I'd like to try and future proof my setup as much as I can. So I started looking at Synology. Specifically, the DS2413+. As far as I can tell, they solved this problem a couple years ago, and I'd have to fill it with crazy sized drives to reach the new volume limit. I guess what I'd like to know is if anybody that has gone from Drobo to Synology before could share their experience and maybe give me some advice. Especially with the different RAID options. I'm interested in how this "Synology Hybrid RAID" works. Also, I haven't seen anything talking about it, so I'm guessing that Synology doesn't work the same as Drobo when it comes to variable drive sizes. Is it just like regular RAID systems where the smallest drive reduces the usable space in all the rest to the same size? I wanted to post this here, because I value the opinions of the people in this forum, and I wanted a more balanced view than what I'd get at one of the company forums. Thanks in advance.