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EX4300-48T Gigabit LAN Switch EX4300, 48-Port 10/100/1000BaseT + 350W AC PS
| EX4300-48T Specification | |
| Description | EX4300 switch with 48-port 10/100/1000BASE-T + 350 W AC PS (QSFP+ DAC for Virtual Chassis ordered separately) | 
| Form factor | Fixed platform | 
| Virtual Chassis configuration consisting of 10 switches | |
| Dimensions (W x H x D) | 17.4 x 1.7 x 16.4 in (44.2 x 4.3 x 41.7 cm) | 
| 1 rack unit | |
| Backplane speed | 320 Gbps (Virtual Chassis) | 
| Data rate | 496 Gbps | 
| Throughput | 369 Mpps (wire speed) | 
| 40GBASE quad small form-factor pluggable plus transceiver (QSFP+) port densities | 4 per switch | 
| Up to 20 in Virtual Chassis configuration (assuming 2 ports per switch are used for forming Virtual Chassis) | |
| 100GBASE C form-factor pluggable transceiver (CFP) port densities | N/A | 
| Resiliency | Internal, hot-swappable redundant power supply; field-replaceable fans; graceful Routing Engine switchover (GRES) in Virtual Chassis configuration | 
| Operating system | Junos OS | 
| Traffic monitoring | sFlow | 
| Quality-of-service (QoS) queues/port | 12 | 
| MAC addresses | 64,000 | 
| Jumbo frames | 9216 bytes | 
| IPv4 unicast/multicast routes | 32,000/8000 | 
| IPv6 unicast/multicast routes | 18,000/4000 | 
| Number of VLANs | 4093 | 
| ARP entries | 64,000 | 
