Amazon.com: TP-Link 24 Port Gigabit Ethernet Switch | Plug and Play | Sturdy Metal w/Shielded Ports | Rackmount | Fanless | Limited Lifetime Protection | Unmanaged (TL-SG1024),BLACK : Electronics
IES3110-24TF, 24-Port Gigabit Ethernet L2+ Managed Industrial Switch, 24 x 10/100/1000BASE-T, with 4 x 1Gb Combo, -40 to 75°C Operating Temperature - FS.com United Kingdom
GS-4210-24UP4C 24-Port 10/100/1000T 802.3bt PoE++ plus 4-Port Gigabit TP/SFP Combo Managed Switch - Planet Technology USA