Enterasys Securestack B3 24 port. Maximum data transfer rate: 1 Gbit/s, Switching capacity: 144 Gbit/s. MAC address table: 16000 entries. Switch layer: L2, Switch type: Unmanaged. Weight: 5050 g. Certification: UL 60950, CSA 60950 EN 60825 IEC 60950