ST4000LM016 - Seagate 4TB 5400RPM SATA 6Gb/s 128MB Cache 2.5-inch Laptop Hard Drive

Big Storage in a Small Package! Highest-capacity mobile hard drive for DIY external box setup for upgraders Each drive can store more than 1 million songs or 480 hours of HD video Consumes less power than Seagate and competitive 3.5-inch desktop HDDs Size matters. At 2.5 inches, it's smaller than your regular 3.5-inch desktop HDD, yet delivers a whopping 4TB of capacity to satisfy your need for storage Perfect size for external box setup for upgraders and ultra-slim desktop HDD setup or replacements Best-Fit Applications External storage All-in-one PC storage Ultra-slim desktop storage