This product is either discontinued or we cannot get that from suppliers.
Netgear GS752TSB-100AJS, Desktop/ Rack-mountable, Twisted Pair, 10/100/1000Base-T, 32 MB, DDR SDRAM, 110 V AC ; 220 V AC, Gigabit Ethernet, SFP.
The ProSafe Gigabit Stackable Smart Switch family is unique in delivering the scalability, reliability, and performance growing small and medium-sized businesses need in an affordable and easy-to-manage package.