Lenovo 3000 J Series User Manual page 46

The following illustration shows the locations of the drive bays.
The following table describes some of the drives you can install in each bay and
their height requirements.
* You can obtain a Universal Adapter Bracket, 5.25 to 3.5-inch, from a local computer retail
or by contacting the Customer Support Center.
Notes:
1. Drives that are greater than 43.0 mm (1.7 in.) high cannot be installed.
2. Install removable media (tape or CD) drives in an accessible bay (bay 1 or 2).
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User Guide
1 Bay 1 - Maximum height: 43.0 mm (1.7 in.)
2 Bay 2 - Maximum height: 43.0 mm (1.7 in.)
3 Bay 3 - Maximum height: 25.8 mm (1.0 in.)
4 Bay 4 - Maximum height: 25.8 mm (1.0 in.)
CD drive or DVD drive (preinstalled in
some models)
3.5-inch hard disk drive (requires a
Universal Adapter Bracket, 5.25 to
3.5-inch)*
CD drive
DVD drive
3.5-inch diskette drive (preinstalled)
3.5-inch hard disk drive (preinstalled)