D-Link DGS-1520-52 Network Gigabit Switch, 48 Port(RJ45), 2 Port (SFP)

The DGS-1520-52 brings reliable, yet affordable, Gigabit connectivity with four 10-Gigabit ports (two 10G Base-T and two 10G SFP+) for high-speed uplink.

D-Link 16-Port Gigabit Stackable Smart Managed Switch with 2 Gigabit SFP Ports & 2 10G SFP+ Ports-(DGS-1510-20)

DGS-1520-28, DGS-1520-28MP, DGS-1520-52, DGS-1520-52MP Layer 3 Stackable Smart Managed Switches

The DGS-1520 Series, a new generation of Lite Layer 3 Stackable Smart Managed Switches, includes four 10 GB ports for uplink or stacking up to a total of eight switches with a total of 80 Gigabit stacking bandwidth. Designed for effortless multi-site network deployments with Zero Touch Provisioning, the DGS-1520 Series is also powerful enough for server and storage applications.

D-Link DGS-1520-52MP Switch

D-Link 52-Port Layer 3 Stackable Smart Managed Switch - (DGS-1520-52) – D- Link Systems, Inc

D-Link Network

D-Link Fast Ethernet Switch, 48 52 Port Managed Gigabit SmartPro Stackable w/ 4 10GbE SFP+ Ports (DGS-1510-52X) : Electronics

D-Link Redundant Power System DPS-520 Installation Guide

D-Link PoE Switch, 48 52 Port Fast Ethernet Gigabit Managed SmartPro PoE+ w/ 4 10GbE SFP+ Ports 370W PoE Budget Stackable (DGS-1510-52XMP) : Electronics