Dell Precision T3400 (Late 2007) - Manual (Page 147)

Adding and Replacing Parts
147
1 power supply 2 system board
3 secondary hard drive bay 4 processor airflow shroud
5 primary hard drive bay 6 card fan
7 processor fan 8 3.5-inch drive bay
9 3.5-inch drive bay 10 5.25-inch drive bay
11 5.25-inch drive bay 12 drive cage
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