Hello there, here my drive info on my NAS 320L
Disc1 : Seagate - ST2000DM006-2DM164 - 2TB - SATA3 6G
Disc2 : Seagate - ST2000DM006-2DM164 - 2TB - SATA3 6G
I used standard format non RAID, with 2 volume. Firmware 1.10.
Will update a couple days using larger drives, hope it's work properly.
Thanks.