| Model | Zyxel GS1920-48 port GbE Smart Managed Switch (GS1920-48v2) |
| Switch class | Smart Managed |
| Total port count | 50 Port |
| 100/1000 Mbps | 44 Port |
| Gigabit Combo (RJ-45/SFP) | 4 Port |
| Gigabit SFP | 2 Port |
| Switching capacity (Gbps) | 100 Gbps |
| Forwarding rate (Mpps) | 74 Mpps |
| Packet buffer (byte) | 1.5M |
| MAC address table | 16K |
| Jumbo frame (byte) | 9 K |
| Flash/RAM | 32 MB/256 MB |
| Input | 100 to 240 V AC, 50/60 Hz |
| Max. power consumption (watt) | 36.9 Watt |
| Dimensions (WxDxH) | 440 x 200 x 44.5 mm/17.32 x 7.87x 1.75 in |
| Weight | 2.8 kg/6.17 lb |