Lenovo ThinkStation D20 - Manual (Page 22)

Drive specifications
Your computer comes with the following factory-installed drives:
• An optical drive in bay 1
• A blank bay for expansion or an optional optical drive in bay 2 or bay 3 (some models)
• A 3.5-inch diskette drive or a card reader in bay 4 (some models)
• Up to five hard disk drives in bay 5 (varies by model)
Any bay that does not have a drive installed has a static shield and bay panel installed.
Figure 9 “Drive bay locations” on page 16 shows the location of the drive bays.
Figure 9. Drive bay locations
The following list describes the types and size of drives that you can install in each bay:
1 Bay 1 - Maximum height: 43 mm (1.7 inches) Optical drives, such as CD drive or DVD drive
(preinstalled in some models)
2 Bay 2 - Maximum height: 43 mm (1.7 inches) Optional drives such as CD drive or DVD drive
(preinstalled in some models)
3 Bay 3 - Maximum height: 43 mm (1.7 inches) Optional drives such as CD drive or DVD drive
(preinstalled in some models)
4 Bay 4 - Maximum height: 26.1 mm (1 inch) 3.5-inch diskette drive or card reader (preinstalled
in some models)
5 Bay 5 Up to five hard disk drives (varies by model)
16 ThinkStation Hardware Installation and Replacement Guide