Drive specifications
Your computer comes with the following factory-installed drives:

v An optical drive in bay 1 (some models)

v A 3.5-inch diskette disk drive in bay 3 (some models)

v A 3.5-inch primary hard drive in bay 4

Any bay that does not have a drive installed has a static shield and bay panel

installed.
Figure 11 shows the location of the drive bays.
The following list describes the types and size of drives that you can install in each
bay:
1Bay 1 - Maximum height: 43.0 mm (1.7 in.) v Optical drive such as CD drive or DVD
drive (preinstalled in some models)
v 5.25-inch hard disk drive
v 3.5-inch hard disk drive (requires a
Universal Adapter Bracket, 5.25 to
3.5-inch)*
2��Bay 2 - Maximum height: 43.0 mm (1.7 in.) v Optical drive such as CD drive or DVD
drive
v 5.25-inch removable media drive
v 3.5-inch hard disk drive (requires a
Universal Adapter Bracket, 5.25 to
3.5-inch)*
3Bay 3 - Maximum height: 25.8 mm (1.0 in.) 3.5-inch diskette drive (preinstalled in some
models)
4Bay 4 - Maximum height: 25.8 mm (1.0 in.) 3.5-inch primary SATA hard disk drive
(preinstalled)
5Bay 5 - Maximum height: 25.8 mm (1.0 in.) 3.5-inch secondary SATA hard disk drive
(preinstalled in some models)
Figure 11. Drive bay locations
20 Hardware Installation and Replacement Guide