I created a 3TB array, and it does indeed use a sector size of 1024 bytes. I also tried a 4TB and a 5TB array to verify your theory, and it seems to be correct. The 4TB array is still using a sector size of 1024 bytes, while the 5TB array used 2048.
I created a 3TB array, and it does indeed use a sector size of 1024 bytes. I also tried a 4TB and a 5TB array to verify your theory, and it seems to be correct. The 4TB array is still using a sector size of 1024 bytes, while the 5TB array used 2048.