X300 high performance hard drive 6tb high performance premium storage toshibarsquos x300 35rdquo internal hard drive is designed for your professional or gaming pc ndash 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 ndash ideal for pc gamers graphic designer