The following table shows the internal storage options available for the RD550 server.
Table 6. Internal storage options
Description Part number
Maximum
supported
Lenovo ThinkServer Gen 5 1U 3.5" 4-Drive Backplane Kit 4XF0G45885 1
Lenovo ThinkServer Gen 5 2.5" 2-Drive Rear Backplane Kit 4XF0G45877 1
Lenovo ThinkServer RD550 AnyBay Enablement Kit 4XF0G88927 1
Lenovo ThinkServer SDHC Flash Assembly Module 4XF0G88933 1
Lenovo ThinkServer RD550 M.2 Enablement Kit to Motherboard 4XF0G45892 1
Lenovo ThinkServer M.2 Enablement Kit for RD550 3.5" Chassis 4XF0G45890 1
Lenovo ThinkServer RD550 2.5" Chassis M.2 Enablement Kit to RAID720ix 4XF0G45889 1
For additional configuration guidelines, refer to Controllers for internal storage.
Controllers for internal storage
The following table lists the RAID controllers and the additional options used for the internal storage of the
RD550 server. AnyRAID controllers are connected directly to the drive backplane, without the use of a
PCIe slot. PCIe RAID controllers are supported in the PCIe slot 1.
Table 7. RAID controllers for internal storage
Description Part number
Maximum
supported
Lenovo ThinkServer RAID 110i Controller Onboard 1
Lenovo ThinkServer RAID 110i RAID 5 Upgrade 4XB0F28690 1
Lenovo ThinkServer RAID 510i AnyRAID Adapter 4XB0F28691 1
Lenovo ThinkServer RAID 510i RAID 5/50 Upgrade 4XB0F28692 1
Lenovo ThinkServer RAID 520i PCIe Adapter 4XC0G88850 1
Lenovo ThinkServer RAID 520i RAID 5 Upgrade 4XC0G88841 1
Lenovo ThinkServer RAID 720i AnyRAID Adapter 4XC0G88838 1
Lenovo ThinkServer RAID 720i PCIe Adapter 4XC0G88849 1
Lenovo ThinkServer RAID 720ix AnyRAID Adapter with Expander 4XC0G88839 1
Lenovo ThinkServer RAID 720i 1GB Modular DRAM Upgrade 4XB0F28695 1
Lenovo ThinkServer RAID 720i 1GB Modular Flash and Supercapacitor Upgrade 4XB0F28696 1
Lenovo ThinkServer RAID 720i 2GB Modular Flash and Supercapacitor Upgrade 4XB0F28697 1
Lenovo ThinkServer RAID 720i 4GB Modular Flash and Supercapacitor Upgrade 4XB0F28698 1
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