Port      RJ45 10/100/1000 BASE-T Ports 24
100/1000 BASE-X SFP Ports  4
Combo Gigabit (RJ45/SFP) Ports  0
SFP+ 10 Gigabit Uplink Ports  0 
GE out-of-band Management Port  No 
RJ45 Console Port  1 
Performance    Switching Capacity 56Gpbs
Forwarding Rate 41.6Mpps 
Flash Memory 32MB
DRAM 256MB
MAC Address Table Size 16K
Jumbo Frames 12K  
Auto-negotiation, Auto-MDI/MDIX Yes
Mechanical    Rack Space 19" - 1 RU
Dimension (W x D x H) cm 44 x 22 x 4.4cm
Weight  2.2kg 
Environmental     Operating Temperature -0°C ~ 50°C 
Storage Temperature  -40°C ~ 70°C 
Operating Humidity (non-condensing)  10% ~ 90%
Storage Humidity (non-condensing) 10% ~ 90%
Power Supply 100V-240V AC, 50/60Hz  Yes (Rear Panel)
Max System Power Consumption (Watts) 20W