DELL S-Series S4148T, Managed, L2/L3, 10G Ethernet (100/1000/10000), 100 Gigabit Ethernet, Rack mounting, 1U DELL S-Series S4148T. Switch type: Managed, Switch layer: L2/L3. Basic switching RJ-45 Ethernet ports type: 10G Ethernet (100/1000/10000), Basic switching RJ-45 Ethernet ports quantity: 48. Switching optical modules type: 100 Gigabit Ethernet. USB 2.0 ports quantity: 1, Console port: RJ-45/Micro-USB. Full duplex. MAC address table: 272000 entries, Switching capacity: 1760 Gbit/s. Networking standards: IEEE 802.1D, IEEE 802.1Q, IEEE 802.1Qaz, IEEE 802.1Qbb, IEEE 802.1ab, IEEE 802.1p, IEEE 802.1s,.... Power connector: AC-in jack. Rack mounting, Form factor: 1U