HP 723316-001 56Kbps PCIe data/fax modem (Concorde2) - Full height
List of compatible models includes: rp5800 POS G540 500G 4.0G 28 PC, rp5800 POS G850 250G 4.0G 21 PC, rp5800 POS G850 500G 4.0G 28 PC, rp5800 POS i32120 1TB 2.0G 27 PC, rp5800 POS i32120 250G 8.0G 27 PC, rp5800 POS i32120 500G 4.0G 8 PC, rp5800 POS i52400 128G 8.0G 28 PC, rp5800 POS i52400 500G 16G 27 PC, rp5800 POS i52400 500G 8.0G 28 PC, rp5800 POS i72600 250G 4.0G 28 PC, rp5800 POS i72600 500G 4.0G 28 PC, rp581 POS G1820 500G 4.0G 43 PC, rp581 POS G3420 500G 4.0G 44 PC, rp581 POS Gi34330 32G 4.0G 8 PC, rp581 POS i34150 500G 4.0G 46 PC, rp581 POS i54570S 128G 8.0G 46 PC, rp581 POS i54570S 500G 16.0G 45 PC, rp581 POS i54570S 500G 4.0G 8 PC, rp581 POS i74770S 240G 16.0G 46 PC, rp581 POS i74770S 500G 8.0G 43 PC, rp78 POS G850 128G 4.0G 27 PC