Mainboard

Intel DP www.supermicro.com/products/Product_Nam...
Intel UP www.supermicro.com/products/Product_Nam...
AMD www.supermicro.com/products/Product_Nam...

Some examples:
Supermicro board names look like:
X11SPW-TF

First letter

Number = generation of product. parts within a generation are designed to work together, generally won’t across generations due to i/o port layout, etc

Three letter before the dash

letters after the dash

Chassis

www.supermicro.com/products/Product_Nam...

System 2.5" (includes Twin)

www.supermicro.com/products/Product_Nam...

Riser Cards

www.supermicro.com/products/Product_Nam...

Add-On-Cards, AOC

www.supermicro.com/products/Product_Nam...

Some examples:

Names look like AOC-ATG-i2T

Before dash

After dash