NETGEAR ProSafe M4300-8X8F switch - fully managed - stackable - 8 x 10Gb ethernet - 8 x SFP+ 10Gb - rack-mountable for sale at Ahead-IT
Amazon.com: NETGEAR 5-Port 10G Multi-Gigabit Ethernet Unmanaged Switch (XS505M) - with 1 x 10G SFP+, Desktop or Rackmount, and Limited Lifetime Protection : Electronics
Amazon.com: NETGEAR 24-Port 10G/Multi-Gigabit Plus Switch (XS724EM) - Managed, with 2 x 10G SFP+, Desktop or Rackmount, and Limited Lifetime Protection : Electronics
NETGEAR 10G Switch: How to Connect it to Your Network?