The ThinkPad T500 and W500 are great laptops professional and business use. These laptops are equipped with the slightly older core 2 duo processors. However these laptops are great for upgrading with SSD. Even though the processors are less than the newer core i3 processors, a SSD will very much improve the performance of these ThinkPad laptops.
To add a second hard drive to the IBM Lenovo ThinkPad T500 W500 x200 x201 x220s you can use a HDD Caddy. The HDD Caddy replaces the optical drive in order to add a second hard drive to the laptop.
For the IBM Lenovo ThinkPad T500 W500 x200 x201 x220 laptops
You will need this HDD Caddy