This drive bay can hold a 2.5" SATA hard drive, for any models with a 9.5mm thickness Ultrabay slim drive, also for Ultrabay slim bay.

The ThinkPad Serial ATA Hard Drive Bay Adapter I/II Ultrabay I/II lets you add a second hard drive to the Ultrabay of your ThinkPad T and X series.  With a second hard drive, you can quickly store and back up critical data.

PATA to SATA I/II interface

High quaility product,Brand new.

This device accept 2.5"/9.5mm SATA HDD (works great with a SSD hard) .

Dual boot, Support installation of 2nd operating system on the 2nd HDD and boot selection.

Plug & Play, Supports hot swapping.

Fast & Reliable connection in ThinkPad, just as the primary HDD.

Fully integrated into ThinkPad laptop, no cables/PSU/software driver needed .

Replacement Part, Third-party factory produce. 

Compatible Lists:

 IBM ThinkPad Lenovo

T40, T40p, T41, T41p, T42, T42p, T43, T43p, T60, T60p, T61, T61p, Z60t, Z61t, Z61p, X4 UltraBase, X4 Dock, X6 UltraBase, X6 Tablet UltraBase