Cold data storage

A cold storage system comprising:

• a server having a plurality of host hub ports;
• a first Universal Serial Bus (USB) switch;
• and a plurality of USB storage devices,
• wherein the first USB switch has a plurality of downstream (DS) ports and a plurality of upstream (US) ports, wherein the first USB switch is connected to the server via a first host hub port of the plurality of host hub port and a first US port of the plurality of US ports, wherein the DS ports and the US ports are for transmitting and receiving messages based on USB standard, wherein the first USB switch has a controller configured to establish a connection between the first US port and a first DS port of the plurality of DS ports in response to a command identifying the first DS port from the server, and
• wherein the plurality of USB storage devices are respectively connected to the first USB switch via the plurality of DS ports, wherein a first USB storage device of the plurality of USB storage devices is connected to the first DS port of the first USB switch.