Storage array system

[Randy R]

So over the years, I would just buy the cheapest hdd and plug it in. Well 3 of these are externals, which I've de chucked 2 and stuck in my full tower, plus a few other existing drives. Oldest two are WD Black 1TB's which were the largest drive at the time I bought them. Wow, now we're at 5TB. 
So I have 2x1TB(WD Black), 2x3TB(WD Green), 1x3TB(seagate) and the 1x4TB external still. 
My question is, is there any sort of raid or raid like system that would let me utilize the different sized drives without losing any of the drive space?
Right now I just stick files on each drive, independently, I wish there was a better system. Any tips?

[RedWulf]

13 minutes ago, cncr04s said:

So over the years, I would just buy the cheapest hdd and plug it in. Well 3 of these are externals, which I've de chucked 2 and stuck in my full tower, plus a few other existing drives. Oldest two are WD Black 1TB's which were the largest drive at the time I bought them. Wow, now we're at 5TB. 
So I have 2x1TB(WD Black), 2x3TB(WD Green), 1x3TB(seagate) and the 1x4TB external still. 
My question is, is there any sort of raid or raid like system that would let me utilize the different sized drives without losing any of the drive space?
Right now I just stick files on each drive, independently, I wish there was a better system. Any tips?

to my knowledge if you combine various sizes in raid you can only use the smallest common volume. But depending on what you need to do their may be a non raid option

[Randy R]

I want to try to get all my stuff In one "volume" but also have a level of redundancy / 1 drive failure. I guess the two 1tb's are out of the question. I may replace those any ways, 7 yrs old now.

[beavo451]

Windows storage pools maybe?

 

If you buy a Synology NAS, they have a type called Synology Hybrid RAID that will does not have the smallest drive limitation.