NEC Express 5800/230Eh - Manual (Page 216)

9-10 Upgrading Your Server
3.5-inch Hard Disk Drive (SAS Model)
The hard disk drive bay may contain up to four hard disk drives.
IMPORTANT:
„ Do not use any hard disk drive that is not authorized by NEC.
Installing a third-party's hard drive may cause a failure in the server
as well as the hard disk drive. Repair of any failure or damage in the
server caused by such a hard disk drive will be charged.
„ The SAS hard disk drives installed can be used either as a single
disk or a Software RAID drive configured by jumper switch setting
on mother board.
HDD cage
Hard disk drive (Fourth)
Hard disk drive (Third)
Hard disk drive (Second)
Hard disk drive (First)