NETGEAR 24-Port Gigabit PoE+ Ethernet Smart Managed Pro Switch with 4 SFP Ports , Black - Walmart.com
WGSW-24040R Managed Switch 24-Port 10/100/1000Mbps with 4 Shared SFP and 48VDC Redundant Power - Planet Technology USA
TP-LINK JetStream 24-Port Gigabit L2+ Managed Switch with 4 10GE SFP+ Slots (TL-SG3428X) - The source for WiFi products at best prices in Europe - wifi-stock.com