3Com 8 port Gigabit network switch - 3C1670800AThis item was only used for few months. It works perfectly well. My company is actually using this for workstations and we haven't had any faulty unit yet.
for product details see here :

Eight non-blocking, autosensing 10/100/1000 ports can be used as ultra high-speed links to servers or power users, or to connect the rest of the network through a central high-speed switch for bandwidth-intensive operations

With plug-and-play installation and no configuration needed, it fits easily in your unmanaged network

Auto MDI-MDIX on every port simplifies network expansion by eliminating most common cabling errors whether the port is connected to a server, PC, or another switch or hub

802.1p traffic prioritization ensures that real-time programs such as video and audio applications take priority so they can run effectively

Full-duplex feature supports two-way data transfer, doubling the effective bandwidth of the network

Compact, fanless design ensures quiet operation in small office spaces

Connectors at rear help reduce cable clutter

FCC Class B switch is approved for use in home office and small office environments

check my feedback and let me know if you have any questions.