ThinkStation Upgrade ROM is for ThinkStation C30/S30/D30 systems, to extend the storage capability and hard drive types.
There are 3 different SKUs in total; you could choose any of them for your ThinkStation system as these 3 SKUs are fully qualified for ThinkStation C30/S30/D30.Extend drives from SATA-only to both SATA and SAS-enabled
Double drive number from 4 ports to 8 ports
Best solution for best price
Multi choices with three SKUs