[Doubt]Biostar motherboard

Hello miners i have a doubt in biostar motherboard
Biostar TB250-BTC Ver. 6.x vs BIOSTAR TB250 BTC
,both of it has same config except risers ,but ver 6.x as per customers who have bought says they have not received risers,your thoughts on tb250 vs tb 250 v .6x,your help is much appreciated

https://www.amazon.in/BIOSTAR-TB250...&qid=1515838246&sr=8-3&keywords=biostar+tb250

https://www.amazon.in/Biostar-TB250...qid=1515838246&sr=8-2&keywords=biostar+tb250&