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For more recent exchange rates, please use the Universal Currency Converter. The T9 was sold with a day warranty, which is obviously twice as good.
That said; the next batch of S9s will also feature this day warranty. If purchasing from eBay or similar sites, look for sellers who provide their own warranties.
However, the wait for the next batch could prove costly, especially when factoring in likely shipping times from Bitmain in China. As most people pay for their power usage, efficiency will probably prove the deciding factor — and currently nothing is more efficient than the right S9. Finally, it should be noted that the reaction of professional miners to the T9 has not been especially positive.
The general consensus appears to be that the T9 is a way for Bitmain to clear stock of sub-standard chips, by running them at higher voltage to boost their reliability. The price of the Antmier s9 varies a lot. This is the most expensive miner on the market today because its superior mining abilities. If you own a PSU of an old Bitcoin miner you might be able to use that as well. Seeing as most people will probably rush to buy the new Antminer s9 you may want to consider getting the older model Antminer s7 at a discounted price due to lower demand.
My overall rating is a 3. These are great miners that can replace about 3 s7s. However, the miner gets way too hot over the s7s. If you do want to use the s9s then they will have to be in a much better controlled environment which I will have to come up with if you want to antminer these lasting longer.
Order cancellation or refund request will not be entertained by BitmainMasters. A day warranty is provided starting from antminer shipping date. Overclocking the miner will void the warranty immediately. All sales are final. No refunds will be granted. Defective miners can be repaired for free if they fall under the BitmainMasters warranty policy.