A large Internet company is planning to deploy a test environment on Huawei Cloud. The operation and maintenance director requires that when purchasing an elastic cloud server, in addition to the system disk, an additional data disk must be added, and the IOPS limit of the data disk must be higher than the upper limit. 2,220, the cloud disk with the lowest IOPS burst limit value higher than 6,500 and the lowest cost.
Which of the following descriptions about EVS types of cloud disks is most suitable? (Multiple choice)