Cisco WS-C2970G-24TS-E | Catalyst 2970 Series C2970G-24TS 24 x Ports 10/100/1000Base-T + 4 x SFP Ports Layer 2 Managed 1U Rack-mountable Gigabit Ethernet Network Switch

1. Switching capacity: 32 Gbps
2. Forwarding rate: 23.8 Mpps
3. MAC address table size: 8K
4. VLANs supported: 4K
5. Jumbo frame support: up to 9K bytes
6. Number of SFP ports: 4
7. SFP transceiver types supported: 1000BASE-T, 1000BASE-SX, 1000BASE-LX/LH, 1000BASE-ZX, 1000BASE-BX10-D/U, 100BASE-FX
8. Layer 2 protocols supported: VLAN, Spanning Tree Protocol (STP), Rapid Spanning Tree Protocol (RSTP), Multiple Spanning Tree Protocol (MSTP), Link Aggregation Control Protocol (LACP), Port Aggregation Protocol (PAgP), Quality of Service (QoS)
9. Layer 3 protocols supported: Static routing, Routing Information Protocol (RIP), Open Shortest Path First (OSPF)
10. Power supply: AC 120/230 V (50/60 Hz)
11. Dimensions (WxDxH): 17.5 in x 11.8 in x 1.7 in
12. Weight: 10.8 lbs

Helpful notes:
1. The switch supports up to 8 active VLANs per switch port.
2. The switch can be stacked with up to 9 other switches using the Cisco StackWise technology.
3. The switch supports advanced security features such as Port Security, DHCP Snooping, Dynamic ARP Inspection, and IP Source Guard.