The IBM Lenovo ThinkPad R400 and R500 laptops were the predecessor behind some the T4xx laptops. The T4xx laptops were equipped with the new core i5 processors. While the R400 and R500 are equipped with core 2 duo processors or the celeron M. Nowadays core 2 duo processors might be a bit limited in terms of performance, however combined with a new SSD the IBM Lenovo ThinkPad R400 and R500 are still great laptops for daily use. Especially in professional use or in business applications. The R400 and R500 are compact size and are featured with a 14 inch LCD. It’s relatively light (2.2KG) which makes it great for traveling.
To add a second hard drive to the ThinkPad R400 and R500 laptop 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 R400 and R500
You will need this HDD Caddy