Lenovo ThinkPad Serial ATA Hard Drive Bay Adapter II slot expander

The ThinkPad Serial ATA Hard Drive Bay Adapter II lets you add a second hard drive to the Ultrabay of your ThinkPad T400/T500, R400/R500, and W500 laptop systems and to the ThinkPad X200 UltraBase. With a second hard drive, you can quickly store and back up critical data.

This adapter enables Serial ATA (SATA) hard drive expansion allowing you to add a second hard drive in the ThinkPad native SATA media bay for back-up, additional storage, or data migration.