These are the mining machines monopolizing high-end Radeons
 

Demand from the cryptocurrency mining scene seems to be messing with the market for high-end Radeon graphics cards. First, members of the R9 280 and 290 families were in short supply. The cards eventually became more widely available, but only at premium prices. In fact, just last week, the R9 290X hit $900 on Newegg, up substantially from its suggested list price of $549.

High-end Radeons based on AMD's GCN architecture are particularly adept at doing the math required to generate cryptocurrencies, and the mining community appears to be buying cards in droves. One needs to look no further than ...

http://techreport.com/news/26063/the...gh-end-radeons