10Gb switch SFP+ port can link to gigabit switch SFP port to run at 1G speed via 1Gb SFP modules and corresponding cable for connection.
QNAP QSW-M408S 10GbE Managed Switch, with 4-Port 10G
10 Gigabit Fiber Media Converter - Open SFP Slot, 10GBase-T
Factory OEM 24-Port 2.5gig Multi-Gigabit Fiber Optic Ethernet Poe
6 Port 2.5G Umanaged Ethernet Switch, 4 x 2.5G Base-T
48-Port 10GE Switch: the Key to Scaling up Your Network
4 Port 10G SFP+ Network Card Intel PCIe - Network Adapter Cards
L2+ Gigabit Carrier Ethernet Switch
24 Ports Poe Switch L3 Managed with 4*10g SFP+ Optical Fiber Ports
24 Ports Gigabit Layer 3 Core Fiber Switches with 4 Ports 10G SFP
What Is SFP Port of Gigabit Switch?
Linksys LGS328C 24-Port Managed Gigabit Ethernet Switch with 4 10G