Well, The Antminer S7 is the newest and most Advanced mining system. If you have enough supply, electricity and space for that, then I can surely say it will be OK for you and will be much profitable as well, Antminer S7 cost very high electricity charges and most of newbie miner got failed because they can't even get back the electricity bills. so I suggest you before buying more Antminer first use this one for few months. and if you see you can afford and handle one easily then buy more.. and keep your eyes on bitcoin price also. first 2 months you may get some extra money because these are halving months.
Thank you!
The s-9 which is for sale crushes the s-7 or the s-7 lite.
So as you were advised do not buy more s-7 lites.
Read more about the s-9 be careful about deciding to buy s-7 or s-9
With the amount the s9 is you can easily acquire a larger hashing rate; power is not a problem for me.
Okay many people think that free power makes an s-7 or s-7 lite a better deal then a s-9
but here goes
5 s-7 lites cost 1728.22 usd shippped to my House in NJ USA
1 s-9 costs 2222 with a psu shipped to my house in NJ USA
1 s-9 costs 2048 sans a psu shipped to my house in NJ USA
So with 5 s-7 lites I need space for them. -------------------------- space available varies
I need 5 ethernet cords and a switch for them. ---------------------about 25 usd for switch and cables
I produce a lot of heat since I will use about 3500 watts. -------- cooling cost varies
So the 1728 is 1755 for extra wires and a switch and I need to dump 3500 watts of power/heat in the summer
Or spend 2048 and have to dump 1400 watts of power/heat . So I went s-9
I happen to have very low cost power due to the solar array, but only 10kwatts so due to space constraints and cooling issues
the s-9 is an easy choice to make.
I will run 3 s-9's for 4100 watts and 40th
I will shut down and sell 3 and ½ avalons that used 3300 watts and did 12th
If the cooling is not an issue and you have room the s-7 lite may work. you need 3 cent power to do it.