
Chapter 3. IBM System x3850 X5 and x3950 X5 101
Figure 3-25 ServeRAID M5015 SAS/SATA Controller
RAID-6, RAID-60, and encryption are a further optional upgrade for the M5015 through the
ServeRAID M5000 Series Advance Feature Key or the Performance Accelerator Key.
3.9.6 External storage connectivity
The ServeRAID M5025 offers two external SAS ports to connect to external storage.
Table 3-28 lists the cards and support cables and feature keys.
Table 3-28 External ServeRAID card
The M5025 has two external SAS 2.0 x4 connectors and supports the following features:
Eight external 6 Gbps SAS 2.0 ports implemented through two four-lane (x4) connectors. ...