SEAGATE NOTEBOOK HDD 500GB Seagate Laptop HDDs offer some of the best features at price and capacity points that help to enable no-compromise, lightweight designs for laptop computing. Smooth Migration to Advanced Format 4K Laptop Thin HDDs include Seagate SmartAlign technology. This innovation helps you easily get all the benefits of the new Advanced Format (AF) 4K sector standard - no utilities, no extra steps - automatically in the background. Performance is not affected, and there is no need for time-consuming utilities required by other AF-enabled drives. Features - 7mm Laptop Thin HDDs - Seagate SmartAlign™ technology provides easy transition to 4K sectors - Compatible with SATA 6Gb/s designs