Do i need 10gb ethernet switch?

1Gb Backbone vs 10Gb Backbone: Gigabit Switch or 10GbE Switch, by Sylvie Liu

Can 10Gb Switch Port Link to Gigabit Switch Port?, by Sylvie Liu

THIS is the Cheapest 8-Port 10Gbase-T 10GbE Switch

10GB Copper Switch: Cheap 10GB Ethernet Switch Solution

Adding 10Gb Fibre to the home network to improve data speeds

Are there 10GB switches?

LGB5052A, Managed Gigabit Ethernet Switch with 10GbE uplinks - Black Box

Designed for business-class management, security, speed, and quality of service with 24 Gigabit Ethernet ports and 4 10G SFP+ fiber. 10G SFP+ Uplink Ports (4), Advanced Network Security and QoS, TAA Compliant.

Linksys 24-Port Managed Gigabit Switch LGS328C

What is needed for 10GbE?