Seagate BarraCuda ST1000LM048 1TB 2.5 Inch 5400RPM 7mm 128MB Cache SATA III Internal Hard Drive - The thinnest and highest capacity 2.5-inch hard drive available. - Choose 7 mm 500 GB, 1 TB and 2 TB capacity  options for easy to upgrade laptop/mobile storage. - With 3 TB to 5 TB capacity options, the 15 mm BarraCuda 2.5-inch hard drive allows you to easily store most of your games, music, movies and more. - Highest capacity 2.5-inch drives on the market for DIY external box setup for upgraders. - SATA 6 Gb/s interface optimises burst performance. - Multi-Tier Caching Technology delivers snappy performance. - Lower power consumption. Model ST1000LM048 Capacity 1TB Interface SATA III Cache 128MB Rotational Speed 5400RPM Data Transfer SATA III: 6.0 Gbit/s Physical Drive Size 2.5\" Packaging OEM anti-static bag