Dell Precision T3400 (Late 2007) - Manual (Page 11)

Quick Reference Guide 11
About Your Computer
Front View (Tower Orientation)
1 upper 5.25-inch drive
bay Supports an optical drive.
2 lower 5.25-inch drive
bay Supports an optical drive or an additional hard drive
(SATA only).
3 upper 3.5-inch drive
bay Supports a floppy drive, a Media Card Reader, or an
additional hard drive (SATA or SAS).
4 lower 3.5-inch drive
bay Supports a floppy drive or a Media Card Reader.
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