ThinkSystem SR650/a V4 8x2.5" AnyBay Gen5 Backplane Option Kit
See this document for information about the ThinkSystem SR650/a V4 8x2.5" AnyBay Gen5 Backplane Option Kit.
The option kit comes with the following components.

1 One 8x2.5-inch SAS/SATA/NVMe backplane
2 Four 2.5-inch drive bay fillers (1-bay, for SR650 V4 / SR650a V4)
3 Eight labels
- One BP1/BP2 AnyBay label for SR650 V4
- One BP3 AnyBay label for SR650 V4
- Two BP1/BP2 SAS/SATA/NVMe U.3 labels for SR650 V4
- One BP3 SAS/SATA/NVMe U.3 label for SR650 V4
- One AnyBay label for SR650a V4
- One SAS/SATA/NVMe U.3 label for SR650a V4
- One BP3 drive numbering label for SR650 V4
4 One 2.5-inch drive bay filler (4-bay, for SR650 V4 only)
NOTE
- The illustration in this document might differ slightly from your hardware.
- SR650a V4 supports 2.5-inch drive bay filler (1-bay) only. Make sure to install supported fillers to your server.
Option installation
- To install the option, refer to the applicable user guide:
| Server model | Hardware installation |
|---|---|
| SR650 V4 | Install the front drive backplane |
| SR650a V4 | Install the 2.5-inch drive cage and drive backplane |
- For the latest technical information including firmware and driver downloads, go to Lenovo Data Center Support.

| Option installation | |
|---|---|
| To install the option, refer to “Hardware replacement procedures” in the server User Guide, which is available at Lenovo Docs https://pubs.lenovo.com. | |
| For the latest technical information including firmware and driver downloads, go to Lenovo Data Center Support website https://datacentersupport.lenovo.com. | |
First Edition (May 2021)
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