USB Bitcoin miners are available to buy, but they don’t really generate any significant profits.They’re a good choice if you just want to fool around with Bitcoin mining and miners like the Antminer S9, S7, S5, Antminer R4, SP20, and Avalon6 are too expensive for you.You should buy one to learn how mining works, but other than that don’t expect much!If you are serious about making profit then check out better Bitcoin mining hardware.You can always check the profitability of a USB miner using our mining calculator.The Sapphire Block Erupters were the first Bitcoin USB miners.They have 330 MH/s of hash power which would net you less than $0.01 per month.It may be a good choice just to see how mining works, but like with most USB miners: do not expect to turn a profit.The GekkoScience miners is just slightly better than the original block erupters.It will net you about $0.15 per month, which is more than a dollar per year!The company claims that the device runs completely silent.It works with just one USB port.The Avalon Nano 3 is a 3.6 GH/s miner, which will earn you about $1 per year.

No fan is required and it just plugs into your USB port on any computer.The Bitmain AntRouter isn’t exactly a USB miner, but it is similar.It’s low cost, but with that you get a low GH/s at just 5.5 GH/s which is a little over $1 per year.Table of ContentsBitcoin USB Miners ComparisonASICMiner Block Erupter USB 330MH/s Sapphire MinerGekkoScience Compac USB Stick Bitcoin MinerAvalon Nano 3Bitmain Antrouter R1 Wifi Solo Bitcoin Miner21 Bitcoin ComputerMore Bitcoin Mining Hardware ASICs (None-USB) The plus side is it works as a wireless router, so you can do some mining while providing internet for all your devices.The 21 Bitcoin Computer isn’t the typical USB Bitcoin miner.It does, however, plugin to your computer via USB.In terms of $ / hash rate, it’s not a very good choice.But since it’s still technically a USB miner we have included it in this list.If you’re not impressed, we don’t blame you!USB Bitcoin mining was only profitable when Bitcoin was in its early years.If you just want bitcoins then invest in serious mining hardware or just buy bitcoins.

Available from these sellers.New (1) from $79.90 + $5.02 shipping ASICMiner Block Erupter USB 330MH/s Sapphire Miner Available from these sellers.2,784 Rev 2 GekkoScience 2-Pac Compac USB Stick Bitcoin Miner 15gh/s+ (BM1384x2) 8 GekkoScience Compac USB Stick Bitcoin Miner 8gh/s+ (BM1384) 37 Sabrent 13 Port High Speed USB 2.0 Hub with Power Adapter And 2 Control Switches (HB-U14P) 824 Product description The Original Asic Miner, That Started it all!bitcoin valor usdProduct information Product Dimensions 3 x 1.4 x 0.5 inches Item Weight 0.5 ounces Shipping Weight 0.8 ounces Manufacturer ASIC MINER ASIN B00CUJT7TO Origin Imported Item model number USB BE Rev.ethereum 5803.00 Customer Reviews 3.8 out of 5 stars Best Sellers Rank #544 in Computers & Accessories > Data Storage > USB Flash Drives May 17, 2013 Warranty & Support Product Warranty: For warranty information about this product, please click here Feedback If you are a seller for this product, would you like to suggest updates through seller support?litecoin exchange rates

See questions and answers 5 star58%4 star15%3 star10%2 star8%1 star9%See all verified purchase reviewsTop Customer ReviewsGuide for anybody that's late to the bitcoin mining party and the most widely available ASIC USB miner.Excellent!Easy Performs exactly as advertised.two stars Customer Images See all customer images Most Recent Customer ReviewsSearch Customer ReviewsAnother USB-based bitcoin mining device has hit the market.ethereal on linuxA company called RedFury, which announced its miner on the Bitcointalk forums, is taking orders for its 2.6GH miner, which is powered by plugging it into a USB port.ethereum miner softwareThe device is basically an ASIC board with a heatsink glued onto it for dissipation.litecoin convert bitcoinThe power consumption of the device is about 2.5 watts.ethereum daily analysis

The company is now selling the units for 0.49 BTC, which at a recent CoinDesk Bitcoin Price Index value is around $98 per unit."We are aiming for new users who are wanting to get into bitcoin mining, and USB miners offer the cheapest capital investment now," says RedFury's Tiyo Triyanto."With about USD $100 you can become a proud owner of Bitcoin ASIC mining hardware."Triyanto, who says he is one of the largest bitcoin miners in Indonesia where electricity only costs three cents per kilowatt hour, told CoinDesk that RedFury's aim is simply to contribute to the bitcoin community.new bitcoin asic miner"We are merely indie developers who share the same bitcoin passion," he said.bitcoin gambling open sourceRedFury has posted a production video of the miner's manufacturing process in an Indonesian facility.It's a look inside what it takes to make a tiny ASIC miner.

You can see the surface mounting process, USB soldering assembly and the heatsink assembly, which uses a 3M thermal pad to attach it to the board.RedFury isn't the only company producing USB bitcoin miners.Asicminer has previously sold its Block Erupter line of USB miners, and CoinDesk's David Gilson previously wrote about using them with Raspberry Pi as the host.The company's website isn't featuring that particular product, but a USB "Satoshi Stick" is apparently coming soon.There isn't a website for RedFury, so you'll need to contact the Bitcointalk forum member "oaxaca" if you're interested in purchasing RedFury USB miners.USPS Priority Shipping to US addresses is included in the 0.49 BTC price.Shipping to anywhere outside the US is possible, but customers must pay shipping charges.While USB mining gear isn't going to make anyone wealthy, Redfury's Triyanto says that this product might be a good way to get someone started with bitcoin."For expert users who are looking for bitcoin related gifts, they can use RedFury USB miner to introduce their friend/family member/colleague about bitcoin and/or bitcoin mining," he said.