Good Gear Guide
In pictures: Taking apart D-Link's xStack DSN-2100...
The xStack DSN-2100-10 SAN array provides a total of 16 SATA 2 ports, though only eight of them can be utilised on this SAN array; the rest are only used on the larger xStack DSN-3200-10 and DSN-3400-10 SAN arrays. There is a status light for each individual SATA port to indicate operation.
In pictures: Taking apart D-Link's xStack DSN-2100-10 SAN array