Lenovo Hard Drive - 80GB - 5400rpm - Ultra ATA/100 (ATA-6) - IDE/EIDE - Internal

Your ThinkPad notebook has become a vital part of your success. But as you add applications and data you might need to add more storage capability to handle the load. Increase your hard drive capacity with a larger primary* system hard drive or add a second HDD to the system via the Ultrabay 2000 in the T20/30, R30/40 and A Series ThinkPad Dock II and UltraBase X3 media slice. Or, for use with the 2nd HDD Adapter for Ultrabay Slim in the T40 and R50 Series and the X4 Ultrabase Dock. *Not supported as a primary hard drive in the ThinkPad X40 Series (Buy.com)