Seagate Laptop HDD Internal Hard Drive Energy Efficient, High Capacity StorageEngineered specifically for low-power applications, the Laptop HDD internal drive kit has a 5400RPM spindle speed and a 8MB cache to provide energy-efficient performance at whisper-quiet acoustic levels. With reduced power consumption and heat generation, this drive will reduce power costs up to 50% over the life of the system compared to standard drives. It is optimized for standard laptops and small form factor PCs. 9.5mm form factor for compatibilitywith multiple systems. Durable Mobility Anywhere, AnytimeLaptop HDD offers a feature-rich 2.5-inch drive for laptop upgrades and external enclosures. The Laptop HDD drive family offers innovative options, capacities up to 1TB with significant feature options. The Seagate Laptop HDD drive is perfect for any standard laptop and meets your specific upgrade needs, whether it's more capacity or lower power consumption. The best combination of performance, capacity, mobility and durability in a laptop hard drive Laptop HDD Series Technology Features SmartAlign Technology for Easy 4K MigrationA change is coming to the hard drive industry. The smallest sector of organized data on a drive is moving from 512 to 4,096 bytes. The new format, known as Advanced Format (AF) 4K, offers advantages like increased efficiency, but migrating your drive can be challenging. Luckily, Seagate is ready to help you make a seamless transition to 4K sectors. Seagate's SmartAlign technology automatically does the work of AF migration in the background. The drive's performance is not affected, and there is no need for time-consuming utilities required by other AF-enabled drives. What Can Your Device Hold? View larger