Emulators based on XDS510 Architecture are low speed (normal 6-60Kb - sometimes 300-500Kb) but Speed of XDS560 can be reach more than 2Mb which is suitable for RTDX and is named as hs-RTDX.
SEED-XDS510PLUS support RTDX,
SEED-XDS560PLUS support high speed RTDX,
Newest generation XDS560v2 plz visit **broken link removed**
to get more infomation.