Triple monitor stand questions

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1

I really want to get a monitor stand for my 3 monitors but i have 3 questions 

 

1. What one do i buy 

2. If one of the monitors hangs off my desk will it fall

3. I have 2 s2340m monitors by dell link below and i have the asus VG248QE 

 

the dell monitors are 23 inches and the asus is 24

http://www.newegg.com/Product/Product.aspx?Item=N82E16824236313     ASUS 

http://www.newegg.com/Product/Product.aspx?Item=N82E16824260109     DELL

2

http://www.amazon.com/Ergotech-Triple-Horizontal-Monitor-100-D16-B03/dp/B001NPEC5A there you got a sideways adjustable monitor stand for up to 24 inches per monitor and 10kg per monitor. It will not fall off your desk as long as the foot of the monitor stand stays on the surface :>