Toshiba's X300 3.5' internal hard drive is designed for your professional or gaming PC - delivering reliable, large capacity, incredibly high-performance storage, made possible by a number of advanced features, including an ultra-high 128 MB buffer. It even features improved positional accuracy for stable recording. The X300 is available in 4 TB, 5 TB, and 6 TB capacities - ideal for PC gamers, graphic designers, and other users with demanding storage requirements. Performing at 7200 RPM, and with a 128 MB buffer, your data is stored securely and accessed quickly. Whether it's a quick game save, a large file that needs backing up, or working with multiple applications, the X300 retains its high-performance all day, every day. Ideal for graphic designers and creative professionals, the X300 is capable of handling almost any workload. The X300's dual-stage actuator design improves positional accuracy, negating the effects on head-track alignment that vibrations can cause. This design makes for more precise, faster read and write speeds for instant access to your data.