Adding a RAID1 pair of drives to expand existing server.
Dell 10K SAS Hot Plug 2.5-inch in carrier apparently all the same.
600GB Order Code 400-ajqb $592.15
1.2 TB Order Code 400-ajpi $721.21
1.8 TB Order Code 400-ajqm $985.04
2.4 TB Order Code 400-avbx $742.08
Why is the 2.4 TB so inexpensive. Should I be afraid? Is it a shingled drive or some such?