Value 21.99.3519. Maximum data transfer rate: 1 Gbit/s, Supported data transfer rates: 10/100/1000 Mbps. MAC address table: 4000 entries, Networking standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3x. Switch type: Unmanaged. Drive device, buffer size: 0.14 MB. Dimensions (WxDxH): 158 x 95 x 30 mm, Power supply type: External