2* 10/100/1000Base-T RJ45,1* 1000M fiber SFP ports, without SFP module,external PS

4* 10/100/1000Base-T RJ45,1* 1000M fiber SFP ports, without SFP module,external PS

2* 10/100/1000Base-T RJ45,2* 1000M fiber SFP ports, without SFP module,external PS

4* 10/100/1000Base-T RJ45,2* 1000M fiber SFP ports, without SFP module,external PS

8* 10/100/1000Base-T RJ45,1* 1000M fiber SFP ports, without SFP module,external PS

8* 10/100/1000Base-T RJ45,2* 1000M fiber SFP ports, without SFP module,external PS

24* 10/100/1000Base-T RJ45,2* 1000M fiber SFP ports, without SFP module,Internal PS

2* 10/100/1000Base-T RJ45,8* 1000M fiber SFP ports, without SFP module,external PS

8* 10/100/1000Base-T RJ45,2* 1000M fiber SFP ports+1-port console, without SFP module,WEB,external PS.