The moment i convert to MBR it start working on TV but the max capacity it used only 2TB. I have seen many forums whiвЂ¦ Hi I 4TB on MBR and not GPT. Mbr or guid for 2tb MBR or GPT (GUID)? Astralv Aug More about mbr gpt guid. Best answer. or if you are using a drive bigger than 2TB. otherwise there is no advantage of GPT over MBR.