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Trade electricity & internet for coins; which, you can then turn to cash. Exceeds standard hashing rate of 13.5 TH/s most times!! Keeps room/garage warm without using heat. If you're good at following instructions, the miner is rather easy to setup. Not many cons, it's just loud. Requires the use of electricity & internet to power/run. Wouldn't really recommend for small apartments. Townhouses are considerable. Overall, it's a great product to have--for who knows what the future will bring! A++
Verified purchase: Yes
I run 5 and my electric bill for my house is $1000 a month. Do the math. And yes, take out $250 for "usual" household monthly electricity. That's over $150 a month in cost per unit on .11 kwh electric cost. Estimate breaks even at $35k Bitcoin. This is REAL world. Recommendation: Buy new generation of ASIC, or use your GPU to mine a different crypto than SHA-265. If you HAVE to mine Bitcoin, and have at least .10kwh, or cheaper electricity, then there is still some benefit to eek out of these older, but currently in demand ASIC units. - or buy 2 S9, and merge them using the low power efficiency mode. Speaking of which is why you are looking to buy an available model. That's because all the bitcoin machine manufactures would rather sell all their stock to the mining farms in China, and by the time you order one, or its available here, or delivered, its usually old mining farm equipment. Hence the "abundance" of Antminer S9, vs obtaining Bitmain's latest mining model (good luck finding one in this market. The simple fact that these machines doubled in value over the last month is part of the fact of limited supply. O Read full review
Verified purchase: No
The S9's are what all professional Bitcoin mining facilities use. They are the most power efficient unit available at this time. That said, they do use a lot of electricity and are loud. For home users you can run up to 4 of these units on a 30A 220 circuit in your garage and muffle the sound by putting them in a ventilated enclosure. Personally this is how I do it... I have each S9 vented through 4" dryer vent to my attic so the garage stays cool and the noise level is reduced substantially. If noise is not a concern I'd still recommend coming up with a ventilation solution to keep the chips running cool. Prices do fluctuate on these miners with the price of Bitcoin but remember the $$$ you make is dependent on the cost of Bitcoin when you sell. These units are capable of making just shy of 1 Bitcoin / year (based on current difficulty), so its up to you if you sell your proceeds when Bitcoin is at $10,000 a coin or $50,000 a coin.Read full review
Verified purchase: No
Item came with everything as advertised. Works fine, ran 13.5 th no problem on benchmark.
Verified purchase: Yes | Condition: Pre-owned
Currently this miner runs at a loss of about two dollars per day. I joind slushpool and it looked rosier than it turned out to be. Good deal if you have electric heat because this will heat a 2,000 square foot house for about two dollars per day. Puts out a lot of heat however it is also loud so it needs to be in an unoccupied basement for heating your home. I am currently experimenting with this for the winter. I live in Iowa. Also if you think that bitcoin will go up in value then mine away.
Verified purchase: No
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