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The Lenovo 4XH7A61110 is a factory-new, genuine 2-bay rear backplane X40 cable designed specifically for Lenovo ThinkSystem SR590, SR630, and SR650 rack servers. If you are expanding rear storage capacity on any of these platforms, this is the cable that connects the rear 2-bay backplane to the system board — without it, the backplane has no signal path and the drives will not be recognized. Ordering the correct cable up front eliminates a service call and keeps your server deployment on schedule.
The 4XH7A61110 is validated for use with the Lenovo ThinkSystem SR590, SR630, and SR650. Verify your server's current rear bay configuration and backplane part number against Lenovo's configurator before ordering — rear bay options vary by build configuration and some chassis ship without the rear cage installed. This cable is not compatible with SR550, SR670, or other ThinkSystem models outside the three listed platforms.
Q: Which server models does the 4XH7A61110 support?
A: The 4XH7A61110 is designed for the Lenovo ThinkSystem SR590, SR630, and SR650 rack servers. It is not validated for other ThinkSystem models.
Q: What does the X40 designation mean for this cable?
A: X40 refers to the backplane connector interface standard used in this generation of ThinkSystem servers. The cable must match the backplane connector type — using a mismatched cable will result in a physical incompatibility or signal errors.
Q: Is this a genuine Lenovo part?
A: Yes. The 4XH7A61110 is a factory-new, genuine Lenovo component sourced through authorized distribution channels — not a third-party or grey-market substitute.
Q: Does the rear bay cage need to be installed separately?
A: Yes. This cable connects the rear 2-bay backplane to the system board. If your SR590/SR630/SR650 did not ship with the rear bay cage and backplane installed, those components must also be present for this cable to serve its purpose.
The 4XH7A61110 is one of those parts that causes delays when it is overlooked during a server build. If you are deploying a ThinkSystem SR590, SR630, or SR650 with the optional rear 2-bay cage, this X40 backplane cable is the signal path between that cage and the system board — without it, the drives simply do not appear.
Technical Highlights:
Deployment Considerations:
The 4XH7A61110 is the right choice when provisioning rear storage capacity on any of the three listed ThinkSystem platforms — particularly in data center environments where a second site visit to install a forgotten cable is expensive.
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