This product is either discontinued or we cannot get that from suppliers.
Allied Telesis AT-FL-X930-AM80-1YR, 24 x Gigabit Ethernet Network, Twisted Pair, Optical Fiber, 10 Gigabit Ethernet, 10/100/1000Base-T, 10GBase-X, SFP+, Expansion Slots 4, Rack-mountable.
The Allied Telesis x510 Series of stackable Gigabit Layer 3 switches includes a full range of security and resiliency features, coupled with easy management, making them the ideal choice for network access applications.