After 1 day test , its stable speed is confirmed to be 440MHS...
Sorry for what I clainmed before.

Well, I reduced the price to 470USD/pack  responsibly.
And 430USD/pack  if order >10 packs

If you want,  pls contact me in Trademanager on the site
http://www.alibaba.com/product-free/142080788/Bitcoin_Miner_FPGA_440Mhash_s_22W.html
or shareoops.tb ( at )  gmail . com