D-Link 24-Port Gigabit Switch, DGS-1024A (Certified Refurbished) This Certified Refurbished product is tested & certified by D-Link to look and work like-new. The product includes all original accessories, and is backed by a 90-day warranty. Twenty-four (24) 10/100/1000Mbps ports Aggregated bandwidth of 48Gbps / 9K of jumbo frame support to help expedite transmission All ports feature auto-MDI/MDI-X for automatic cable detection / Non-blocking, full wire speed forwarding and filtering IEEE 802.3az Energy-Efficient Ethernet (EEE) and D-Link Green power saving technology / Compact plastic housing for desktop deployment