48-port GB + 4 GB Ethernet (2 combo* GB Ethernet + 2 1GE/5GE SFP) Switch - SG500-52-K9-G5
Tính năng kỹ thuật : 
 48-port GB + 4 Gigabit Ethernet (2 combo* Gigabit Ethernet + 2 1GE/5GE SFP). 
 Performance: Switching capacity 120 Gbps. 
 Stacking : Up to 8 units in a stack. Up to 416 ports managed as a single system with hardware failover. 
 Support Layer 3 (refer datasheet for more detail). 
 QoS: Priority levels 4 : hardware queues, Scheduling: Priority queuing and weighted round-robin (WRR), Queue assignment based on DSCP and class of service (802.1p/CoS).