LevelOne GSW-5270, Managed, Full duplex, Rack mounting, 1U LevelOne GSW-5270. Switch type: Managed. Basic switching RJ-45 Ethernet ports quantity: 52. Full duplex. MAC address table: 4000 entries, Switching capacity: 17.6 Gbit/s. Networking standards: IEEE 802.1p, IEEE 802.1Q, IEEE 802.3, IEEE 802.3ab, IEEE 802.3u, IEEE 802.3x, IEEE 802.3z. Power connector: DC-in jack. Rack mounting, Form factor: 1U