Dell Precision T7400 (Late 2007) - Manual (Page 243)

Adding and Replacing Parts 243
6 Place the SATA hard drive in the hard-drive bracket and press the drive
down until it snaps securely into place.
7 Slide the hard drive in the hard-drive bracket into the hard-drive carrier.
1 hard drive 2 hard-drive bracket
1 hard-drive carrier 2 hard drive in hard-drive bracket
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1
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