Dell Precision R5500 (Early 2011) - Manual (Page 24)

Installing the SAS Backplane
1. Push the blue release tabs and insert the backplane in the slot along the hard-drive assembly.
2. Connect the SAS cables.
3. Install the hard drive assembly .
4. Install the hard drive carrier .
5. Install the optical drive .
6. Install the cooling shroud .
7. Install the cover .
8. Install the front bezel .
9. Follow the procedures in After Working Inside Your Computer .
Related Links
Removing the SAS Backplane
24