A drive box includes a power source, a drive group which is constituted of a plurality of storages, a canister which can be replaced, and a midplane which couples the canister and the drive group, wherein the midplane includes a storage apparatus having a memory unit in which data related to at least the drive group is stored, the canister has a communication channel which is coupled to at least one of the plurality of storages, the canister performs I2C communication with the storage apparatus, power is supplied to the canister from the power source by a first supply line which is a power line passing through the midplane, and power is supplied to the storage apparatus from the power source via the canister.