Supporting assembly suitable for rack

A supporting assembly adapted to be mounted on a rack, the supporting assembly comprising:

• a first bracket including a sidewall, wherein the sidewall of the first bracket includes a first end portion and a second end portion, there is a first mounting member arranged adjacent to the first end portion, and the sidewall of the first bracket has a first lateral side and a second lateral side;
• a supporting frame connected to the second lateral side, wherein the supporting frame has a first supporting section;
• and
• a second bracket including a sidewall and a second mounting member;
• wherein one of the first bracket and the supporting frame is provided with a second supporting section, and the first supporting section and the second supporting section jointly constitute a supporting channel for supporting the sidewall of the second bracket;
• wherein the first bracket is mounted at a first position on a first side of the rack through the first mounting member, and the second bracket is mounted at a second position on the first side of the rack through the second mounting member.