Dell PowerConnect is Dell's product line of business networking devices. They connect computers and servers in mostly small to medium sized networks. They are available in pre-configured unmanaged models as well as managed models for flexibility in managing traffic.
There are two main model lines of PowerConnect switches. The classic line are 8-48 port 100Mbps/1Gbps/10Gbps ethernet switches, unmanaged and managed.
The B-series, J-series, and W-series are re-branded Brocade, Juniper, and Aruba Networks switches respectively and target the enterprise network market.