see below

Unimpressed with your experiment with the optical drive, you now replace it with a solid-state drive. This drive has a sustained read rate of 585 Mbps and a sustained write speed of 540 Mbps. For the 256 Kbytes of data, including average access time (latency), how long does it take to read the data? Write the data? $Mbps and a sustained write speed of 540 Mbps