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Flex System Storage Expansion Node
The x240 M5 supports the attachment of the Flex System Storage Expansion Node.
Withdrawn: The Storage Expansion Node is withdrawn from marketing.
The Flex System Storage Expansion Node provides the ability to attach another 12 hot-swap 2.5-inch HDDs or
SSDs locally to the attached compute node. The Storage Expansion Node provides storage capacity for
Network Attach Storage (NAS) workloads, which provides flexible storage to match capacity, performance, and
reliability needs.
The following figure shows the Flex System Storage Expansion Node attached to a compute node.
Figure 6. Flex System Storage Expansion Node (right) attached to the x240 M5 (left)
The ordering information for the Storage Expansion Node is shown in the following table.
Table 16. Ordering part number and feature code
Part number
Feature code
68Y8588*
A3JF
* Withdrawn from marketing
The Storage Expansion Node has the following features:
Connects directly to supported compute nodes via a PCIe 3.0 interface to the compute node's expansion
connector (see the internal view in the
Supports 12 hot-swap 2.5-inch drives, accessible via a sliding tray.
Supports 6 Gbps SAS and SATA drives, both HDDs and SSDs.
Based on an LSI SAS2208 6 Gbps RAID on Chip (ROC) controller.
Supports RAID-0, 1, and 10 as standard. JBOD also supported. Optional RAID-5 and 50 with cache
upgrade.
Optional 512 MB or 1 GB cache with cache-to-flash super capacitor offload and RAID 5/50 support.
Notes:
The use of the Storage Expansion Node requires that the x240 M5 Compute Node have both processors
installed.
The Storage Expansion Node uses a different hot-swap drive tray (G2HS) to the x240 M5 (G3HS). As a
result, the SEN drives and x240 M5 drives not interchangable.
For more information, including the supported drive options, see the Lenovo Press Product Guide:
http://lenovopress.com/tips0914
Internal tape drives
Lenovo Flex System x240 M5 (E5-2600 v4)
Description
Flex System Storage Expansion Node
Locations of key components and connectors
Maximum
supported
1
section).
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