BL C7000 C3000 STORAGE SB40C SFF SAS 6BAY The HP StorageWorks SB40c is a half-height c-Class storage blade supporting up to six hot-plug Small Form Factor (SFF) Serial Attached SCSI (SAS) or Serial ATA (SATA) hard disk drives. Using the onboard Smart Array P400, the SB40c provides industry-leading performance, availability, and storage density, to meet customers' demanding and growing storage needs. The SB40c supports direct attach storage to HP BladeSystem c-Class Servers.