Dell PowerEdge R420 Owner's Manual - Page 48
Removing A 2.5 Inch Hard-Drive Blank, Up to four 2.5 inch hot-swappable SAS, SATA, SAS SSD
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Four hard-drive systems Eight hard-drive systems Up to four 3.5 inch cabled hard drives, or Up to four 3.5 inch hot-swappable SAS, SATA, or Nearline SAS hard drives, or Up to four 2.5 inch hot-swappable SAS, SATA, SAS SSD, SATA SSD, or Nearline SAS hard drives Up to eight 2.5 inch, hot-swappable SAS, SATA, SAS SSD, SATA SSD, or Nearline SAS hard drives NOTE: SSD/SAS/SATA hard drives cannot be mixed in a system. The hot-swappable hard drives connect to the system board through the hard-drive backplane. Hot-swappable hard drives are supplied in hot-swappable hard-drive carriers that fit in the hard-drive slots. CAUTION: Before attempting to remove or install a hot-swappable hard drive while the system is running, see the documentation for the storage controller card to ensure that the host adapter is configured correctly to support hot-swap hard drive removal and insertion. CAUTION: Do not turn off or reboot your system while the hard drive is being formatted. Doing so can cause a hard drive failure. NOTE: Use only hard drives that have been tested and approved for use with the hard-drive backplane. When you format a hard drive, allow enough time for the formatting to be completed. Be aware that high-capacity hard drives can take a number of hours to format. Removing A 2.5 Inch Hard-Drive Blank CAUTION: To maintain proper system cooling, all empty hard-drive slots must have hard-drive blanks installed. 1. If installed, remove the front bezel. 2. Press the release button and slide the hard-drive blank out until it is free of the hard-drive slot. Figure 16. Removing and Installing a 2.5 Inch Hard-Drive Blank 1. hard-drive blank 2. release button 48