only 2c kwh iceland or china farms would be interested in this (or not) imho
It MIGHT ROI on 5 cent electric. There are places in the US you can get under 5c/KWH though not many.
for those who know ...would you be better off (or have to) use like 16awg Y cables like with the KNC Titans and Neptunes
Way overkill, even running 2 connectors per hash board would be less than 200w / connector, most PCI-E cabling on power supplies is speced to handle at least 225.
not to mention no home outlet will support 3400 watts.. so it would have to be specially wired in its own sub panel. and this thing looks like a fire hazard..
I'm sure you can use seperate outlets per power supply, 3x 1200W+ power supplies should handle this unit pretty easy. Just don't power one board from different power supplies, just like on any Antminer that needs that much power per board.
It would appear the actual need is for *19* PCI-E, 2 per hash board and one on the controller (fan power). Not sure why they put the 3'd power connector on each board, not that it HURTS anything.
I'd be willing to bet tapeout is either already finished or in progress as we speak for the new BM chip.
I'm certain that the S7 already exists, and that BitMain is bulding them as fast as they can to replace their "farm"/Hashnet S5s they're selling off used - when they run low or out of S5s then they'll start selling the S7. I'm HOPING for end of August to mid-September but it's very up-in-the-air right now.
I don't see this "S5+" unit having a noticeable delaying effect on the S7, it's just not efficient enough. Bitmain SHOULD have come out with it 6+ months ago and called it the S6 - THEN it would have had a good sized market. As of today, it's too little too late and too expen$ive.