This item is not tested. This lot of 3 Hitachi 250GB 5400RPM 2.5" internal laptop drives is a great buy for those in need of reliable storage. Made by Hitachi America Ltd., these drives have a storage capacity of 250GB each and model number 5K500 B-250 HTS545025B9SA02. They are ideal for use in computers, laptops or any system that requires a 2.5" hard drive. This lot of hard drives is perfect for those who need to upgrade or replace their current laptop hard drives. They are compatible with various laptops and systems and offer ample storage for all your needs.