This product is either discontinued or we cannot get that from suppliers.
Cisco N3K-C3172PQ-10GE N3K-C3172PQ-10GE Nexus, Switching capacity 1.4 Tbps, 10 Gigabit Ethernet, Rack-mountable, Ports 72, 9216 bytes, Interface 1 x USB, 1 x serial (RS-232) management, 48 x 10GBase-X SFP+, 6 x 40Gbit LAN QSFP+, 1 x 1000Base-T RJ-45 management, Hot-plug.
The Cisco Nexus 3172PQ switch is a dense, high-performance Layer 2 and 3 10 and 40-Gbps switch that is a member of the Cisco Nexus 3100 switches. The Nexus 3100 switch is the Cisco Nexus 3000 series switches and offers improved port density.