1. Grade
Commercial
Industrial
2. Type
PoE
Non-PoE
Fiber
3. Concurrent ports
<10
10-19
20-29
>30
4. Data rate
Fast Ethernet
Fast and Gigabit Ethernet
Gigabit
Gigabit and 10-Gigabit
5. Management
Unmanaged
Managed
6. Feature
Physical Stacking
IP/Virtual Stacking
Console port
Fanless
DIN-rail mountable
Rack mountable