Dell Precision T3400 (Late 2007) - Manual (Page 206)

206
Adding and Replacing Parts
Installing an Optional Third Hard Drive (Desktop Computer)
CAUTION:
For configurations with three SAS hard drives, you must install an
additional fan (see "Installing an Additional Fan" on page 210).
1 Follow the procedures in "Before You Begin" on page 143.
2 Remove the computer cover (see "Removing the Computer Cover" on
page 145).
3 If you are installing a new drive, unpack the drive and prepare it for
installation.
Check the documentation for the drive to verify that it is configured for
your computer.
4 If you are installing a new drive, remove the drive panel (see "Removing the
Drive Panel (Desktop Computer)" on page 215) and the drive-panel insert
(see "Removing a Drive-Panel Insert" on page 218) from the lower
5.25-inch drive bay.
If you already have a drive installed in the lower 5.25-inch drive bay, remove
the optical or hard drive.
5 Place the hard drive in the hard-drive bracket and press the drive down
until it snaps securely into place.
6 Slide the hard drive in the hard-drive bracket into the hard-drive holder.
1 hard drive 2 hard-drive bracket
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1