IBM X3550M5-RAILS rail kit provides mounting infrastructure for IBM System x3550 M5 and x3650 M5 rack servers in standard 19-inch equipment racks. This custom rail assembly enables tool-free or minimal-tool installation, sliding rail design, and quick removal for server maintenance and replacement cycles. Compatible with both 2-socket and 4-socket M5 configurations, the kit includes left and right rail components with stabilizing feet and necessary hardware. Suitable for data center deployments, virtualization environments, and production server farms where standardized rack mounting and serviceability are required. Tested and guaranteed. Available via quote.