24-Port Gigabit Switch with 4 x 10Gb SFP+ Uplinks, S3900-24T4S - FS.com
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
D-LINK DXS3424TC: Switch, 24-Port, 10 Gigabit Ethernet, RJ45 - SFP+ at reichelt elektronik
TP-LINK 24-Port Gigabit Desktop/Rackmount Switch | Nebraska Furniture Mart