ThinkPad Serial ATA Hard Drive Bay Adapter II - Overview
Features and specifications
The ThinkPad Serial ATA Hard Drive Bay Adapter II (43R1980) lets you add a second hard drive to the Ultrabay to selected ThinkPad systems. With a second hard drive, you can quickly store and back up critical data.
1 year Customer Replaceable Unit (CRU)
Available: August 2008 (Worldwide)
Discontinued, withdrawn from marketing: October 2009