IBM Power Systems Series Site And Hardware Planning

When attaching only hard disk drives, it is also possible to cascade a second disk expansion drawer off
two out of the three drawers for a maximum of five disk expansion drawers per adapter. See Figure 62
on page 131. Disk expansion drawers can be cascaded only one level deep.
Note: The YO cable must be routed along the right side of the rack frame.
SAS adapter to media expansion drawer
Figure 64 on page 133 illustrates connecting a SAS adapter to a media expansion drawer. It is also
possible to connect a second media expansion drawer to the second port of the SAS adapter.
Figure 63. Tri-port SAS adapter to disk expansion drawers
132 Site and hardware planning

IBM Power Systems Series Specifications

General

Virtualization	PowerVM
Architecture	POWER
Operating System	AIX, IBM i, Linux
Use Case	Enterprise workloads, cloud
Form Factor	Rack-mount
I/O	PCIe
Power Supply	Redundant power supplies available
Management	HMC (Hardware Management Console)
Processor	IBM POWER processors (POWER9, POWER10, etc.)
Storage	Supports various storage options including SSDs and HDDs