Brand New Black Rockminer R3 500 Gh/s Asic Bitcoin Miner Product information Manufacturer Rockminer ASIN B00LUXYXWM Customer Reviews 4.5 out of 5 stars Best Sellers Rank #4,006 in Computers & Accessories > Networking Products > Network Adapters > Wi-Fi Dongles #72,230 in Electronics > Televisions & Video July 16, 2014 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?Would you like to tell us about a lower price?See questions and answers 25 star50%4 star50%See all verified purchase reviewsTop Customer ReviewsDecent price for good itemHashing away right next to me as I type.... Search Customer ReviewsThe first 500 gigahash per second ASIC mining rig from Butterfly Labs has been put into operation, as reported on the Bitcoin Forum.We recently reported on the first shipment of the Bitforce SC 60 desktop miner, and at the other end of the hashing spectrum is Butterfly Lab's BitForce 500 GH/s unit.

Until yesterday, none had been seen in the wild.Bitcoin forum member gigavps posted a photo of a mining room filled with rigs.Most of which are reportedly field-programmable gate array (FPGA) devices.However, the large unit centred in the photograph with two grey power plugs is the Butterfly Lab's BitForce 500 GH/s unit that has caught the attention of many.At the time of posting, gigavps warned that the unit would be repeatedly shut down while ckolivas, who was assisting, modified the machine's software to optimise performance.bitcoin kurs chfAfter some tweaking, the device was said to have been left to run continuously for two hours, and was shown to have an average hash rate of 478.1 GH/s.bitcoin nyse symbolAs you can see in the table below, ASIC number four (of a total of eight hashing chips) ran significantly hotter (86 degrees) and consequently gave the highest hardware (HW) error rate.bitcoin lady died

When asked what type of cooling was being used for the menagerie of miners, gigavps replied, "12 tons of high powered dc hvac".When asked about the mining rig's power consumption, gigavps estimated that each 500 GH/s unit should consume "2,300 to 2,400 Watts".However, that power estimate was not confirmed in the forum thread.Forum user Syke criticised the unit's performance for being short of what had been originally planned by Butterfly Labs.bitcoin kaufen per uberweisungIt was supposed to be 1500 GH/s @ 1500 watts in October '12.will bitcoin spike againNow it's 500 GH/s at 2400 watts in June '13.litecoin to chfThey didn't "come through".ethereum asicThe unit referenced by Syke is shown on Butterfly Lab's website here and was detailed in October 2012 by Bitcoin Magazine.ethereum spot price

Another forum member, crazyates, responded by saying: "They will be compensating customers with 3x the number of units, so you will be getting the same hashrate as what you paid for".However, we could not confirm this information.At first, miners used their central processing unit (CPU) to mine, but soon this wasn't fast enough and it bogged down the system resources of the host computer.bitcoin namecoin litecoinMiners quickly moved on to using the graphical processing unit (GPU) in computer graphics cards because they were able to hash data 50 to 100 times faster and consumed much less power per unit of work.During the winter of 2011, a new industry sprang up with custom equipment that pushed the performance standards even higher.The first wave of these specialty bitcoin mining devices were easy to use Bitcoin miners were based on field-programmable gate array (FPGA) processors and attached to computers using a convenient USB connection.

FPGA miners used much less power than CPU's or GPU's and made concentrated mining farms possible for the first time.Application-specific integrated circuit (ASIC) miners have taken over completely.These ASIC machines mine at unprecedented speeds while consuming much less power than FPGA or GPU mining rigs.Several reputable companies have established themselves with excellent products.Currently, based on (1) price per hash and (2) electrical efficiency the best Bitcoin miner options are: AntMiner S7 4.73 Th/s 0.25 W/Gh 8.8 pounds $479.95 0.1645 AntMiner S9 13.5 Th/s 0.098 W/Gh 8.1 pounds $1,987.95 0.3603 Avalon6 3.5 Th/s 0.29 W/Gh 9.5 pounds $499.95 0.1232 For a comprehensive comparison of bitcoin mining hardware.Two major factors go into determining the best bitcoin mining hardware: (1) cost and (2) electricity efficiency.Bitcoin mining is difficult to do profitably but if you try then this Bitcoin miner is probably a good shot.

Application-specific integrated circuit chips (ASICs) are bitcoin mining hardware created solely to solve Bitcoin blocks.They have only minimal requirements for other normal computer applications.Consequently, ASIC Bitcoin mining systems can solve Bitcoin blocks much quicker and use less less electricity or power than older bitcoin mining hardware like CPUs, GPUs or FPGAs.As Bitcoin mining increases in popularity and the Bitcoin price rises so does the value of ASIC Bitcoin mining hardware.As more Bitcoin mining hardware is deployed to secure the Bitcoin network the Bitcoin difficulty rises.This makes it impossible to profitably compete without a Bitcoin ASIC system.Furthermore, Bitcoin ASIC technology keeps getting faster, more efficient and more productive so it keeps pushing the limits of what makes the best Bitcoin mining hardware.Some models of Bitcoin miners include Antminer S5, Antminer U3, ASICMiner BE Tube, ASICMiner BE Prisma, Avalon 2, Avalon 3, BTC Garden AM-V1 616 GH/s, VMC PLATINUM 6 MODULE, and USB miners.

AntMiner U2 2 Gh/s 1.0 W/Gh 0.8 ounces $49.66 BPMC Red Fury USB 2.5 Gh/s 0.96 W/Gh 1.6 ounces $44.99 GekkoScience 9.5 Gh/s 0.33 W/Gh 0.8 ounces $49.97 For those not interested in operating the actual hardware then they can purchase Bitcoin cloud mining contracts.Being listed in this section is NOT an endorsement of these services.There have been a tremendous amount of Bitcoin cloud mining scams.Hashflare Review: Hashflare offers SHA-256 mining contracts and more profitable SHA-256 coins can be mined while automatic payouts are still in BTC.Customers must purchase at least 10 GH/s.Genesis Mining Review: Genesis Mining is the largest Bitcoin and scrypt cloud mining provider.Genesis Mining offers three Bitcoin cloud mining plans that are reasonably priced.Zcash mining contracts are also available.Hashing 24 Review: Hashing24 has been involved with Bitcoin mining since 2012.They have facilities in Iceland and Georgia.

They use modern ASIC chips from BitFury deliver the maximum performance and efficiency possible.Minex Review: Minex is an innovative aggregator of blockchain projects presented in an economic simulation game format.Users purchase Cloudpacks which can then be used to build an index from pre-picked sets of cloud mining farms, lotteries, casinos, real-world markets and much more.Minergate Review: Offers both pool and merged mining and cloud mining services for Bitcoin.Hashnest Review: Hashnest is operated by Bitmain, the producer of the Antminer line of Bitcoin miners.HashNest currently has over 600 Antminer S7s for rent.You can view the most up-to-date pricing and availability on Hashnest's website.At the time of writing one Antminer S7's hash rate can be rented for $1,200.Bitcoin Cloud Mining Review: Currently all Bitcoin Cloud Mining contracts are sold out.NiceHash Review: NiceHash is unique in that it uses an orderbook to match mining contract buyers and sellers.Check its website for up-to-date prices.