Internal storage
The x440 server has two 2.5-inch hot-swap drive bays accessible from the front of the blade server (Figure 2). These
bays are connected to the integrated 4-port LSI SAS2004 6 Gbps SAS/SATA RAID-on-Chip (ROC) controller.
The integrated LSI SAS2004 ROC has the following features:
Four-port controller with 6 Gbps throughput per port
PCIe x4 Gen 2 host interface
Two SAS ports routed internally to the two hot-swap drive bays
Supports RAID levels 0 (Integrated Striping), 1 (Integrated Mirroring), 10 (Integrated Mirroring and Striping),
and 1E (Integrated Mirroring Enhanced)
The x440 also supports up to eight 1.8-inch drives with the addition of the ServeRAID M5115 controller and
additional SSD tray hardware. These are described in the next section.
Supported drives are listed in the Internal drive options section.
ServeRAID M5115 SAS/SATA controller
In addition, the x440 supports up to eight 1.8-inch SSDs combined with a ServeRAID M5115 SAS/SATA controller
(90Y4390). The M5115 attaches to the I/O adapter 1 connector and can be attached even if the Compute Node
Fabric Connector is installed (used to route the Embedded 10Gb Virtual Fabric Adapter to bays 1 and 2, as
described in "I/O expansion options"). The ServeRAID M5115 cannot be installed if an adapter is installed in I/O
adapter slot 1.
The ServeRAID M5115 supports combinations of 2.5-inch drives and 1.8-inch SSDs:
Up to two 2.5-inch drives only
Up to four 1.8-inch drives only
Up to two 2.5-inch drives, plus up to four 1.8-inch SSDs
Up to eight 1.8-inch SSDs
The ServeRAID M5115 SAS/SATA Controller (90Y4390) provides an advanced RAID controller supporting RAID 0, 1,
10, 5, 50, and, optionally, 6 and 60. It includes 1 GB of cache, which can be backed up to flash memory when
attached to the supercapacitor included with the optional ServeRAID M5100 Series Enablement Kit (46C9030).
At least one hardware kit is required with the ServeRAID M5115 controller, and there are three hardware kits that
are supported that enable specific drive support, as listed in the following table.
Table 7. Supported upgrade features
Part number
Feature code
Description
Maximum
supported
90Y4390
A2XW
ServeRAID M5115 SAS/SATA Controller
1*
46C9030
A3DS
ServeRAID M5100 Series Enablement Kit for Flex System x440
1
47C8809
A47E
ServeRAID M5100 Series Flex System Flash Kit v2 for x440
1
46C9032
A3DU
ServeRAID M5100 Series SSD Expansion Kit for Flex System x440
1
* Ensure the IMM2 firmware of the x440 is at least level 40A for full compatibility
The ServeRAID M5115 hardware kits are as follows:
ServeRAID M5100 Series Enablement Kit for Flex System x440 (46C9030) enables support for up to two
2.5-inch HDDs or SSDs in the hot-swap bays in the front of the server. It includes a CacheVault unit, which
enables MegaRAID CacheVault flash cache protection. This enablement kit replaces the two standard 1-bay
Flex System x440 Compute Node (7917)
13
