Rail and supported rack cabinet specifications
| Option name | System x Enterprise Slides Kit | System x Gen II Universal Slides Kit | System x M5 Custom Rail Kit |
| Option part number | 00FK656 | 00KA500 | 00MW239 |
| Supported rack cabinet type | Four-post IBM and Lenovo standard rack cabinet, complying with the International Electrotechnical Commission (IEC) standard |
| Four-post IBM and Lenovo standard rack cabinet, complying with the IEC standard |
| Rail type | Full-out slide rail (ball bearing), toolless installation | Full-out slide rail (ball bearing) | Half-out slide rail (friction), toolless installation |
| Service on rack | Yes | Yes | No |
| Mounting holes | Square or round | Square, round, or threaded | Square or round |
| Thickness of mounting flanges | 2 mm (0.08 inch) – 3.3 mm (0.13 inch) | 2 mm (0.08 inch) – 4.65 mm (0.18 inch) | 2 mm (0.08 inch) – 4 mm (0.16 inch) |
| Distance between front and rear mounting flanges | 617 mm (24.29 inches) – 812 mm (31.97 inches) | 617 mm (24.29 inches) – 812 mm (31.97 inches) | 595 mm (23.43 inches) – 746 mm (29.37 inches) |
| Cable management arm support | Yes | Yes | No |
| Rail length (measured when mounted on the rack cabinet, starting from the front surface of the front mounting flange to the rear most point of the rail) | 833.5 mm (32.81 inches) | 833.5 mm (32.81 inches) | 755 mm (29.72 inches) |
Note
The option part numbers might change.
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