In this video I discuss Karatbars International verses Bitcoins and in my opinion you cannot compare them at all. Karatbars is REAL money, Bitcoins is VIRTUA…
The Block Erupter USB series is the second major product of ASICMINER. It serves as a replacement of GPUs. They hash at a rate of 300+ mh/s while drawing only 0.5A (500mA) from the USB port, which is somewhere in the range of 2.6 watts. Compare that power usage to a Radeon 7850 which can regularly draw 130 watts for the same hash rate! The first mass production batch (sapphire) is here, now!