gekkoScience.5 Gh/s.33 W/Gh.8 ounces, yes. USB you can plugin it to your computer. Although not exactly a USB miner, the Bitmain AntRouter is just similar. We just included it in this list since it's still technically a USB miner.
They have 330 MH/s of hash power which will give you less than.01 per month. N/A, bPMC Red Fury USB.5 Gh/s.96 W/Gh.6 ounces, yes. This is the best choice if you want to see how mining works, but just the like with most USB miners, a profit should be least expected. It works with just one USB port.
Avalon Nano 3, the Avalon Nano 3 is.6 GH/s miner, which will earn you almost a dollar per year. It's cheaper, but with that you just get.5 GH/s, a low one which is a little over 1 per year. It will yield you about.15 per month, which will give you more than a dollar in 12 months! N/A, asicminer Block Erupter USB 330MH/s Sapphire Miner. We dont blame you, if youre not impressed though! GekkoScience Compac USB Stick Bitcoin Miner. 21 Bitcoin Computer, the 21 Bitcoin Computer isn't the typical USB Bitcoin miner. The first, bitcoin USB miners were the Sapphire Block Erupters. Bitcoin Mining Hardware Comparison, antMiner U2 2 Gh/s.0 W/Gh.8 ounces, yes. USB Bitcoin mining was only profitable when Bitcoin was in its early years. The device runs completely silent, as the company claims.