20-Port Industrial PoE+ Managed Ethernet Switch, w/16*10/100/1000Tx (3 – HardboxUSA
LNP-2004G-SFP-T | 20-Port Industrial PoE+ Unmanaged Switch
D-link 20-Port Gigabit SmartPro Switch Black | Techinn
D-Link DGS 3630-28PC - switch - 20 ports - managed - rack-mountable - DGS-3630-28PC/SI - Ethernet Switches - CDW.com
IGS-6325-20T4C4X Industrial L3 20-Port 10/100/1000T + 4-Port Gigabit TP/SFP + 4-Port 10G SFP+ Managed Ethernet Switch - Planet Technology USA
3onedata IES7120-4GS Managed Switch | Westward Sales
20-Port Layer 3 Managed Industrial Ethernet Switch - KY-2189RG
D-Link DGS-1210-20 20-Port Gigabit PoE Ethernet Switch | SabrePC
Allen-Bradley 1783-BMS20CGL Stratix 5700 20-Port Managed Switch | North Coast
D-link 20-Port L2 Smart Metro Giga Switch Black | Techinn
Zyxel XGS3600-28F 20-port GbE Fiber L2 Switch with Four GbE Combo Ports and Four 10G Fiber Ports | ZyxelGuard.com
20-Port Gigabit Ethernet L2+ Switch, 20x 1Gb SFP, 4x Gigabit RJ45/SFP Combo, with 4x 10Gb SFP+ Uplinks
Allen‑Bradley Stratix 5700 20 Port Managed Switch (Mature Manufacturer Status)
FS 20-Port Gigabit Ethernet L2+ Switch - FS.com
Cisco Catalyst 2960 Series Switches - Cisco Catalyst 20 Port Managed Switch WS-C2960G-24TC-L
Amazon.com: D-Link Systems 20-Port Gigabit Web Smart Switch including 4 Gigabit SFP Ports (DGS-1210-20) : Electronics
S8050-20Q4C, 20-Port Ethernet L3 Switch, 4 x 10Gb SFP+, with 20 x 40Gb QSFP+ and 4 x 100Gb QSFP28, Support MPLS&MLAG
SGS-5240-20S4C4XR Layer 2+ 20-Port 100/1000X SFP + 4-Port Gigabit TP/SFP Combo + 4-Port 10G SFP+ Stackable Managed Switch with 48V redundant power - Planet Technology USA
20-Port Gigabit Web Smart Switch – Managed Switch | TRENDnet - TRENDnet TEG-204WS
20-Port Layer 2 Managed Industrial Ethernet Switch - KY-3120DM
D-Link SmartPro DGS-1510-20 - switch - 20 ports - managed - rack-mountable - DGS-1510-20 - Ethernet Switches - CDW.com
S3900-24F4S 20-Port Gigabit Stackable SFP Managed Switch with 4 Combo SFP and 4 10Gb SFP+ Uplinks | 1G 10G Switch
