https://www.sierrahash.com/?ref=11088

Here at Sierra Hash we strive to provide you with the latest and greatest in Bitcoin mining technology to our customers whilest keeping our pricing as low as possible, we do this by keeping our overheads as low as possible in all of our datacenters, this means we can put more mining hardware into our datacenters whilest maintaining a low overhead price. More power for you, cheaper to run for us. With out 99.9% uptime guarantee you will never go without mining. Ever.
What we offer.