Dell Precision 3440 Small Form Factor Service Manual page 24

Steps
1. Connect the optical-drive data and power cable to the connectors on the optical-drive and flip the hard-disk drive and optical-disk
drive module.
2. Insert the tabs on the hard-disk drive and optical-disk drive module into the slot on the system at an angle.
3. Lower the hard-disk drive and optical-disk drive module into the slot.
4. Slide the release latch to lock the hard-disk drive and optical-disk drive module.
5. Reroute the hard-disk drive power cable and SATA cable through the retention clips on the hard-disk drive and optical-disk drive
module.
6. Reroute the hard-disk drive power cable and the SATA cable through the recess on the release tab.
Next steps
1. Install the Front bezel
2. Install the Side cover
3. Follow the procedure in
24 Disassembly and reassembly
After working inside your computer.