These are using the Linksys technology.
They are pretty decent and are not as cost efficient as HP or Netgear.
100 Series
The above are unmanaged.
Auto negotiate.
200 Series
Layer 3 Static routing
NBD
CLI
500 Series
Basic QoS
Web Magenement
300 Series
Stackable.
CLI
Layer 3 Static on 500
Layer 3 Dynamic on 500X
500X have SFP+ uplinks