Storage system, computing system including host and storage system, and method of operating same

The storage system may include: a storage device configured to store data in a storage area corresponding to a physical address; a buffer memory configured to temporarily store data read from the storage device; and a storage controller configured to store first data having a first priority and second data having a second priority received by the storage system in the storage device, and load the first data into the buffer memory. 存储系统可以包括：存储装置，其被配置为将数据存储在与物理地址相对应的存储区域中；缓冲存储器，其被配置为临时存储从存储装置读取的数据；以及存储控制器，其被配置为将存储系统接收到的具有第一优先级的第一数据和具有第二优先级的第二数据存储在存储装置中，并将第一数据加载到缓冲存储器中。