I purchased 2 that ship at end of this month… I just saw in a comment someone say it was 3 phase. Looked it up and says 3 phase power supply. Spoke with vender and he said his tech people said it will run off single phase.
These 2 will make 30 ASICS for me and did not think to look at power supply voltage.
Yeah maté because the T21 is supposed to have another high hashrate mode that does something like 250T for 5000+ watts. Don’t stress though mate if you leave it unopened you should be able to sell them easily and get your money back