ThinkSystem tower server rail options

A variety of rail kits and cable management arm (CMA) are available for use with ThinkSystem tower servers.

To learn what rail kits and CMA are compatible with a server, please refer to:

• Lenovo Server Proven
• ThinkSystem and ThinkEdge Rail Kit Reference

Rail option	Supported models
ThinkSystem L Shaped Rail Kit	ST650 V2 ST650 V3
ThinkSystem ST50/ST250 Rack Mount Kit	ST50 ST250
ThinkSystem ST45/ST50/ST250 Series Rack Mount Kit	ST45 V3 ST50 V2 ST50 V3 ST250 V2 ST250 V3
ThinkSystem ST550 4U Tower to Rack Conversion Kit	ST550
ThinkSystem ST550 CMA Kit	ST550
ThinkSystem ST650 V2/V3 Tower to Rack Conversion Kit	ST650 V2 ST650 V3