Datasheet
IBM Flex System x220 Compute Node 13
Internal disk storage options
The x220 server has two 2.5-inch hot-swap drive bays accessible from the front of the blade server (
Figure 2). The server optionally supports 1.8-inch solid-state drives, as described later in this section.
The x220 supports three disk controllers:
ServeRAID C105: An onboard SATA controller with software RAID capabilities
ServeRAID H1135: An entry level hardware RAID controller
ServeRAID M5115: An advanced RAID controller with cache, backup, and RAID options
These three controllers are mutually exclusive. The following table lists the ordering information.
Table 6. Internal storage controller ordering information
Part number Feature
code
Description Maximum
supported
Standard None ServeRAID C105 1
90Y4750 A1XJ ServeRAID H1135 Controller for IBM Flex System and IBM
BladeCenter®
1
90Y4390 A2XW ServeRAID M5115 SAS/SATA Controller 1
ServeRAID C105 controller
On standard models, the two 2.5-inch drive bays are connected to a ServeRAID C105 onboard SATA
controller with software RAID capabilities. The C105 functionality is embedded in the Intel C600 chipset.
The C105 has the following features:
Support for SATA drives (SAS is not supported)
Support for RAID 0 and RAID 1 (non-RAID is not supported)
6 Gbps throughput per port
Support for up to two volumes
Support for virtual drive sizes greater than 2 TB
Fixed stripe unit size of 64 KB
Support for MegaRAID Storage Manager management software
Note: There is no native (in-box) driver for Windows and Linux; the drivers must be downloaded
separately. There is no support for VMware, Hyper-V, Xen, or solid-state drives (SSD).