Dell PowerEdge R920/R930 ReadyRails Rail Kit Part #: 770-BBHF

• Brand: Dell
• Part #: PWJ4V
• Alt. Part #: 770-BBHF / W647K / 0W647K / C255T / 0C255T / C212M / 0C212M / GWJY0 / 0GWJY0 / 330-9545
• Specs:-
• :: Compatibility: Dell PowerEdge R920 / R930 / R5500 Systems
• :: Condition: New
• :: MPN: PWJ4V
• Warranty: 1 (one) year Tekmart warranty
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Key points to note on these 770-BBHF Dell railkits:-

• >>  The ReadyRails™ sliding rail kit for 2U Systems, provides tool-less support for racks with square or unthreaded round mounting holes including all generations of Dell™ racks.
• >>  They also support tooled mounting in 4-post threaded racks via an optional adapter brackets kit.
•  
• (If using these rails on a 19" EIA-310-E compliant threaded hole 4-post rack, than a 2U Threaded Rack Adapter Bracket Kit is required (PN: PKCR1, 331-0166)
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• >> The optional cable management arm (CMA) can be mounted on either the left or right side of the sliding rails without the use of tools for fast and easy deployment.
• >> This product has been tested and validated on Dell systems and will be  supported by Dell Technical Support when used with a Dell system.
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Although the PowerEdge R920 and R930 are both 4U servers, the rail and cable management kits used have a physical dimension of 2U. The labeling on the rail kit box may be confusing if it isn't packaged with the server.

The label describes the rail characteristics and not the characteristics of the server that uses that particular rail kit.  In addition to the part number and rail description, the label will also include the rail type identifier (ID) code which for the R920 and R930 servers is B8.