Ideal for small and medium or distributed large enterprise businesses, IBM 146 GB 15K (44W2294) 6 Gbps SAS 2.5-inch SFF Slim-HS SEDs provides cost effective advanced data security with AES 128 disk encryption. This SED offering also provide optimal 6 Gbps Hot Swap SAS capability for your high performance and availability System x environment. SED functionality and 6 Gbps SAS performance of this drive are enabled when used with 6 Gbps System x servers and internal ServeRaid controllers with advance feature keys for SED support.