HP 24-port Gig-T v2 zl Module. Data transfer rate: 1 Gbit/s. Networking standards: IEEE 802.3, IEEE 802.3ab, IEEE 802.3u. Dimensions (WxDxH): 26.16 x 20.65 x 4.45 mm, Weight: 0.98 kg. Operating temperature range (T-T): 0 - 55 °C, Storage temperature range (T-T): -40 - 70 °C