- 24 x Gigabit SFP + 4 x combo Gigabit SFP
One of a series of high performance Gigabit Ethernet switches from Allied Telesis. The AT-9000/28SP provides high performance layer 2 switching at an affordable fixed configuration platform. The switch brings advanced enterprise features to a more affordable level while supporting the changing needs of the SMB market space to improve the delivery of converged data. Support for jumbo Ethernet frames enables higher throughput of time sensitive data.