Installing a SAS/SATA 4 Pac HDD option

You can install an Lenovo System x3550 M4 Hot-swap SAS/SATA 4 Pac HDD option to add four additional 2.5-inch hot-swap hard disk drives in the server.

See the Lenovo ServerProven website for a list of supported optional devices. To order a SAS/SATA 4 Pac HDD option, contact your sales representative or reseller.

The SAS/SATA 4 Pac HDD option kit contains the following components:
  • One 2.5-inch hot-swap hard disk drive backplane (with bracket)
  • Four drive bay filler panels
  • One SAS signal cable
Note: The 4 pac HDD option including structural parts and Tier 1 parts.

To install a SAS/SATA 4 Pac HDD option, complete the following steps:

  1. Read the safety information that begins on Safety and Installation guidelines.
  2. Turn off the server and peripheral devices and disconnect the power cords and all external cables, if necessary.
  3. Remove the cover (see Removing the cover).
  4. Install the 2.5-inch hot-swap hard disk drive backplane (see Replacing the hot-swap drive backplane).
  5. Pull existing filler panels out of the server. Keep them in a safe place.
    Figure 1. Filler panels
    Filler panels
  6. Install the 2.5-inch hard disk drives (see Replacing hot-swap hard disk drives).
  7. Install the filler panels that come with the SAS/SATA 4 Pac HDD option into empty drive bays.

If you have other devices to install or remove, do so now. Otherwise, go to Completing the installation.