... and writing: 410/85,410/150,410/260,415/260MB/s 3.Controller: Marvell Features:Part Number: CT64M4SSD2 , CT128M4SSD2 , CT256M4SSD2 , CT256M4SSD2Capacities ... : 64GB -> 410/85 MB/s (max) , 128GB -> 410/150 MB/s (max) 256GB -> 410/260 MB/s (max), 256GB -> 415/260 MB/s (max),Random 4k Read: 40 ...