Dell EMC PowerEdge R740 - 9 Rack Rails; Sliding Rails Features Summary

Rack rails
The rail oerings for the R740 and R740xd consist of two general types: sliding and static
Sliding rails features summary
The sliding rails (two varieties are oered) allow the system to be fully extended out of the rack for service. They are available with or
without the optional cable management arm (CMA).
Figure 14. Sliding rails with optional CMA
ReadyRails-Sliding rails for 4-post racks
• Supports Drop-in Installation of the chassis to the rails.
• Support for tool-less installation in 19" EIA-310-E compliant square or unthreaded round hole 4-post racks including all generations of
the Dell racks.
• Support for tooled installation in 19" EIA-310-E compliant threaded hole 4-post racks.
• Support full extension of the system out of the rack to allow serviceability of key internal components.
• Support for optional cable management arm (CMA).
• Minimum rail mounting depth without the CMA: 714 mm.
• Minimum rail mounting depth with the CMA: 845 mm.
• Square-hole rack adjustment range: 631-868 mm.
• Round-hole rack adjustment range: 617-861 mm.
• Threaded-hole rack adjustment range: 631-883 mm.
Stab-in/Drop-in sliding rails for 4-post racks (New for 14G systems)
• Supports drop-in or stab-in installation of the chassis to the rails.
9
50 Rack rails