This product is either discontinued or we cannot get that from suppliers.
HP J9773A, Ethernet Switch, Network Ports-24, Twisted Pair, Network 10/100/1000Base-T, Layer Supported-2, Compatible 1U, Desktop, Rack-mountabl, Wall Mountable, Number of PoE+ (RJ-45) Ports-24, Memory DDR3 SDRAM, Flash Memory128 MB, Input Voltage 110 V AC, 220 V AC, Standard Memory128 MB.
The 2530 Switch Series consists of four fully managed Layer 2 edge switches, delivering cost-effective, reliable, and secure connectivity for business networks.