These items are not tested. This lot of 8 internal laptop drives are perfect for those in need of additional storage capacity. With a brand name of Toshiba, these 2.5 inch drives are compatible with most laptops and feature a SATA interface. The model number MQ01ABF050 has a storage capacity of 500GB, making it a great choice for those who need more space for their personal or professional files. These hard drive drives are perfect for those who want to upgrade their current laptop's storage without having to purchase an external drive. With no manufacturer warranty, it is important to ensure that these drives are installed correctly in order to avoid any potential data loss. If you are in need of additional storage capacity, these internal laptop drives are a great choice.