Dell 6 GBps SAS HBA - Manual (Page 6)

6 Overview
Hardware Architecture
Figure 1-1 displays the hardware architecture of the 6 Gbps SAS HBA. The
Internal Tape Adapter has a similar architecture except that the SAS
connectors are internal.
Figure 1-1. Hardware Architecture of the 6 Gbps SAS HBA and Internal Tape Adapter
1 2x4 external SAS connectors 2 PCI-e connector