Reference:
DXS-3400-24SC
The D-Link 10GbE Stackable Managed Switch consists of new compact, high-performance interfaces that feature 10 Gigabit Ethernet switching speed, routing, and ultra-low latency. The 1U height and high port density make the DXS-3400 series suitable for business and campus environments where space is at a premium. It includes 20 10G SFP+ ports and 4 combo 10GBASE-T / SFP+ ports, making them suitable for data center and distribution applications.