The Patriot Memory Supersonic Magnum USB 3.0 flash drive delivers unprecedented performance in a stylish form factor with capacities up to 256GB. Utilizing 8-Channel technology Supersonic Magnum achieves read/write speeds up to 250MB/s and 160MB/s respectively for the 256GB and 200MB/s and 120MB/s for the 64GB/128GB. The Patriot Supersonic Magnum USB 3.0 flash drive is available in 64GB 128GB and 256GB capacities and carries a 5-year warranty.