AS-SSD is designed to quickly test the performance of your drives. Currently, the program allows to measure sequential and small 4K read/write speeds as well as 4K file speed at a queue depth of 6. While its primary goal is to accurately test Solid State Drives, it does equally well on all storage mediums it just takes longer to run each test as each test reads or writes 1GB of data.As with Crystal DiskMark, AS-SSD is showing this drive to be almost as fast as the 1TB Crucial MX200. That is rather interesting and it is something we will be playing close attention to in the real-world tests.