![Zyxel 48-Port Gigabit Ethernet Switch | Smart-Managed | Rackmount [GS1900-48]](https://m.media-amazon.com/images/I/31TMjhXSS7L._SL500_.jpg "Zyxel 48-Port Gigabit Ethernet Switch | Smart-Managed | Rackmount [GS1900-48]")
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Product Review
- HIGH-DENSITY GIGABIT SWITCHING WITH SFP UPLINKS: 48x 10/100/1000 Mbps RJ-45 ports and 2x GbE SFP slots deliver a full 100 Gbps switching capacity and 74 Mpps forwarding rate
- SMART FAN TEMPERATURE-CONTROLLED COOLING: Built-in smart fan adjusts speed based on device temperature (23-41 dBA range) for near-silent operation with reliable thermal control
- SFP FIBER UPLINKS FOR LONG-DISTANCE LINKS: 2x GbE SFP slots support optional fiber transceivers for 100M or Gigabit inter-switch connections beyond copper cable distance limits
- SMART MANAGED LAYER 2 CONTROL: Web GUI and ZON Utility provide VLAN (up to 4K), QoS with 802.1p priority, IGMP Snooping, LACP, STP/RSTP/MSTP, DoS prevention, and SNMP v1/v2/v3 for full network control
- HIGH-DENSITY CAPACITY WITH IPv6 SUPPORT: 525 KB buffer, 8K MAC table, and 9K jumbo frame support handle demanding multi-device workloads with full IPv6 dual-stack for network growth
