Amazon.com: NETGEAR 24-Port Gigabit Ethernet Unmanaged PoE Switch (GS524UP) - with 8 x PoE+ and 16 x Ultra60 PoE++ @ 480W, Desktop or Rackmount, and Limited Lifetime Protection : Electronics
Linksys LGS124: 24-Port Business Gigabit Ethernet Unmanaged Switch, Rack Mount, Computer Network, Wired Connection Speed to 1,000 Mbps (Black, Blue)
Amazon.com: MokerLink 24 Port PoE Switch with 2 Gigabit Uplink Ethernet Port, 400W High Power, Support IEEE802.3af/at, Rackmount Unmanaged Plug and Play PoE+ : Electronics
Tripp Lite 24-Port Gigabit Ethernet Switch Rackmount Metal 1U, 2 Gigabit SFP Ports 10/100/1000Mbps (NG24)