Product Description HP ProCurve Switch 5400zl 24p 10/ 100/ 1000 PoE Module - expansion module - 24 ports Device Type Expansion module Form Factor Plug-in module Dimensions ( WxDxH) 8.1 in x 10.3 in x 1.8 in Weight 2.2 lbs Ports Qty 24 ports Cabling Type Ethernet 10Base-T, Ethernet 100Base-TX, Ethernet 1000Base-T Data Link Protocol Ethernet, Fast Ethernet, Gigabit Ethernet Data Transfer Rate 1 Gbps Compliant Standards IEEE 802.3, IEEE 802.3u, IEEE 802.3ab