VEVOR 9U Open Frame Server Rack, 23''-40'' Adjustable Depth, Free Standing or Wall Mount Network Server Rack with 360° Casters, Heavy Duty 4 Post Holds All Your Networking IT Equipment AV Gear Router

The maximum load of the tray is 25 pounds, and it cannot bear any weight exceeding this weight.

I heard complaints about this I actually got the small one with the good wheels I don't know why they started using lesser quality caster wheels for larger models but caster wheels are fairly cheap the unit itself is still great from what I hear people are just buying different caster wheels to replace them

I ordered one and I found it to be VERY sturdy

It has 16 sets of screws for installation.

There were screws to mount the shelves but I believe I had to use my own screws to mount the rack width items that I had. The standard screws used on rack systems worked.

If it says 150lbs that seems pretty accurate to me it could hold me and I weigh about 140 as far as wall mounting goes I would think if your mounting supports can hold 150lbs I don't see why it wouldn't be able to however wall mounting you also have to consider the weight of it itself