Procurve 2824 20 Gigabit + 4 Dual Port switch -
Comes with 20 10/100/1000 ports and 4 dual-personality ports for 10/100/1000 or mini-GBIC connectivity. Automatically adjusts for straight-through or crossover cables on all 10/100/1000 ports
291681 - Hewlett Packard - J4903A#ABA