6* 10/100Base-T RJ45,2* 100M fiber SFP ports, without SFP module,external PS
8* 10/100/1000Base-T RJ45,2* 1000M fiber SFP ports, without SFP module,external PS
8* 10/100Base-T RJ45,1* 100M SFP port,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.
8* 10/100/1000Base-T RJ45,16* 1000M fiber SFP ports, without SFP module,WEB,Internal PS.