Linksys 48-Port Managed Gigabit Ethernet Switch with 4 10G SFP+ Uplinks

Switch Type: Managed
Power Consumption: 43.87W
Jumbo Frame (FE, GE): 12Kbytes
LEDs: Power, Fault
VLAN: Port-based and 802.1q VLANs, Management VLAN, Guest VLAN support
Memory: 512MB
Forwarding Rate: 130.95 Mpps
Dimensions (LxWxH): 440 x 260 x 44 mm
Weight: 3468 g
Number of VLANs Supported: 256 active VLANs (4,096 range)
Operating Humidity: 10 to 90% RH
Operating Temperature: 0 to 50°C (32 to 122°F)
Ports: 
-4 10G SFP+
-48 Gigabit Ethernet
MAC Address Table Size: 32K
Switching Capacity: 176 Gbps
Fans: 1, 8200 rpm (at full speed)
Storage Humidity: 5 to 95% RH (non-condensing)
Power Input: 
-1.5A
-100–240V
-50–60 Hz
Quality Of Service:
-8 hardware queues
-Port-based, 802.1p priority-based, IPv4/v6 IP DSCP-based
-Strict, Weighted Round Robin (WRR)
Storage Temperature: -20 to 70°C (-4 to 158°F)
Warranty: 5 Year Warranty