dell rieles dell sliding ready rail kit inner outer r720 r820 r730 r520 r720xd r730xd r740xd PSU Spindle Speed: 10

Spindle Speed: 10

and it's compatible with major operating systems and laptops

or check with the manufactuer for compatiblity

and HS23 blade servers

dell rieles dell sliding ready rail kit inner outer r720 r820 r730 r520 r720xd r730xd r740xd PSU Spindle Speed: 10This Dell sliding rack rail kit is compatible with PowerEdge R520, R720, R730, R740XD, and R820 servers. Provides full extension sliding access in standard 19 inch EIA 310 4 post racks, allowing easy in rack maintenance without full server removal. Compatible Servers: Dell PowerEdge R520, R720, R730, R740XD, R820 Type: Sliding Rack Rail Kit (2U) Rack Standard: 19 inch EIA 310 Brand: Dell Condition: Genuine, manufacturer sealed, full warranty.