We stayed here for one night on our way to the Almalfi coast, and for us this location was perfect. Very close to the train station. Very clean room.. everything you need, kitchen, towels Etc. Check in was easy.
The area is very convenient if you are taking the train, however the neighbourhood is a little sketchy. Stick to the main roads with the tourists and you will be fine.
For a quick stop over in Napoli, definitely stay here.