Lenovo Flex System x240 M5 Manuel du produit - Page 26
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Flex System PCIe Expansion Node
The x240 M5 supports the attachment of the Flex System PCIe Expansion Node. By using the Flex
System PCIe Expansion Node, more PCI Express cards can be attached, such as High IOPS SSD
adatpers, fabric mezzanine cards, and next-generation graphics processing units (GPU) to supported
Flex System compute nodes. This capability is ideal for many applications that require high performance
I/O, special telecommunications network interfaces, or hardware acceleration that uses a PCI Express
card. The PCIe Expansion Node supports up to four PCIe 2.0 adapters and two more Flex System
expansion adapters.
The PCIe Expansion Node is attached to a Flex System compute node, as shown in the following figure.
Figure 10. PCIe Expansion Node attached to the x240 M5
The ordering information for the PCIe Expansion Node is shown in the following table.
Table 15. Ordering part number and feature code
Part number
Feature code
81Y8983
A1BV
The PCIe Expansion Node has the following features:
Support for up to four standard PCIe 2.0 adapters:
Two PCIe 2.0 x16 slots that support full-length, full-height adapters
Two PCIe 2.0 x8 slots that support half-length, low-profile adapters
Support for PCIe 3.0 adapters by operating them in PCIe 2.0 mode
Support for one full-length, full-height double-wide adapter (that uses the space of the two full-length,
full-height adapter slots)
Support for PCIe cards with higher power requirements; a single adapter card (up to 225W) or to two
adapters (up to 150W each)
Two Flex System I/O expansion connectors to further expand the I/O capability of the attached
compute node
Note: The use of the PCIe Expansion Node requires that the x240 M5 Compute Node have both
processors installed.
For more information, see the Lenovo Press Product Guide:
Lenovo Flex System x240 M5
Description
Flex System PCIe Expansion Node
http://lenovopress.com/tips0906
Maximum supported
1
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