Questions about hardware, e.g. GPUs.

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What are the relevant hardware-mining options as of 13 May, and and how should one choose one over another?

After reading on the topic of bitcoin for the past few hours I've heard a few terms again and again: mining with the CPU (pointless as of today), GPU mining (lots of people doing this), and then ASIC, ...
3
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1answer
54 views

What happens when a Trezor is lost?

Trezor is one of the leading implementation of a hardware wallet. Its first generation won't support multisig ... because the Bitcoin network itself doesn't have strong multisig support. What happens ...
3
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1answer
155 views

Is it more efficient to use multiple computers when I have multiple GPUs?

I have 4 video cards: 2x 7970 & 2x 6970. This is a question of efficiency regarding MH/s. Simply, I would like to know which is better: ~1900 MH/s on one machine ~1200 MH/s and ~700 MH/s on ...
2
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2answers
199 views

What determines SHA256 performance on different types of hardware?

I know the answers to many questions on here briefly touch on this point, but I'd like to get a consolidated answer that really touches on the key differences between different types of hardware which ...
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1answer
76 views

Online Mining Calculators using prebuilt machines data

I've read many comments that mining is not profitable, or barely. Using the machines data at https://en.bitcoin.it/wiki/Mining_hardware_comparison in online mining calculators do show some with good ...
3
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1answer
467 views

From where to get ASIC hardware like BFL or Avalon

I want to start bitcoin mining but after a short research I came to know that GPU mining is not profitable nowadays and I should go for ASIC hardware. I searched on internet and found that BFL and ...
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2answers
271 views

Self assembling of hardware for bitcoin mining

Are there any guides or material available for helping us build dedicated ASIC hardware for bitcoin mining .
3
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3answers
334 views

Is it possible to detect mining of bitcoins on an enterprise network?

Is it possible to detect bitcoins mined where it may be against an organization's computer usage policy? E.g., Bitcoins mined secretly on corporate or university computers when the policies of the ...
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1answer
73 views

If bitcoin was created years earlier, would we see the same rate of mining hardware evolution?

It seems like there has been a steady progression from CPU mining, to GPU, FPGA, and now ASIC, and it all happened in a relatively small amount of time. If bitcoin was created in say, 2005 instead ...
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3answers
2k views

Do these new ASIC miners really pay for themselves in 5 days?

The Bitforce 50GH/s miner costs $2,500 today, and according to the following calculation it would mine enough coins in about 5 days to pay for itself. I am sure I am missing something here. Why would ...
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2answers
259 views

What's the best mining option if you weren't worried about power costs?

If you had a free power source and took it out of the equation, what would be potentially the best option for bitcoin mining? You have limited space, so for about one or two computers tops. What ...
2
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1answer
358 views

Where is it possible to buy an ASIC?

I know of Avalon and Butterfly Labs, but they aren't currently shipping. Does anyone know where, if anywhere it is possible to order and receive shipment before the year's out?
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1answer
39 views

What was the intended benefit of truncating the Target?

I'm thinking about how the Target value is truncated to and later compared to the SHA-256hash of the Block Header. Given that The maximum target (lowest possible difficulty) is ...
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2answers
271 views

Is mining the unfair part of bitcoin in the same way banks (or rather, fractionary reserve systems) are to current monetary system?

I've been reading a lot about bitcoin lately and I'm very interested. Especially, when it comes to making a currency that is way more fair, because it avoids a centralized control of it. However, in ...
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2answers
2k views

LiteCoin Rig Mining Hardware

I am building up a couple of LTC mining Rigs (I have access to free power via solar setup.) I have organised 6 x 5970 cards with risers & extra fans etc 1)What Motherboard can I source now ...
2
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1answer
797 views

What GPU-APU configuration should I buy for mining Bitcoins?

I want to make own computer for mining bitcoins. I read a lot of it but I have some questions. I want to buy APU + Graphic card and I am wondering when I my computer is mining is using for that CPU + ...
5
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3answers
336 views

Cooling for an XPS 15 (L502x) laptop during Bitcoin Mining

I would like to know exactly where I should put my extra cooling fans around my laptop so that I can more efficiently cool while I mine bitcoins. I realize this is not optimal at the moment, but ...
2
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1answer
321 views

What other purposes can I use my [obsolete] hashing hardware for?

It's pretty easy to reuse CPUs or Video cards that were previously used for Bitcoin hashing, but what can I do with FPGA hardware when the difficulty becomes too high for it to be worthwhile to mine? ...
5
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1answer
1k views

What is better for Bitcoin mining: More stream processors or faster clock?

I'm trying to understand the relationships between components in a video card and how it impacts Bitcoin mining. What aspect of a video card is used during mining? For example, I can find a Radeon ...
4
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1answer
686 views

Bitcoin mining may reduce the lifespan of my video card?

I'm not using a mining-dedicated videocard, i'm using my only video card (Radeon 6850) and i'm getting around 0.11 btc/24h. My concern is about reducing the lifespan of (or even burning) my video ...
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0answers
98 views

What features would you want from a hardware wallet and would you use one? [closed]

I've developed a physical offline wallet, called SmartCardWallet. If current wallet protection mechanisms focus on either encrypting your wallet, generating wallet keys deterministically from a seed, ...
2
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1answer
349 views

Has LargeCoin shipped any hardware yet?

LargeCoin announced their ASIC mining technology back in March 2012, with an estimated delivery of July 2012. "ttul" in Bitcointalk, who made the announcement, also said "Expected delivery is July ...
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5answers
25k views

Is Butterfly Labs reputable / Should I preorder the SC Jalepeno?

I'm somewhat new to the mining scene but I'm a bit familiar with everything. I see that GPU mining will become much less cost effective over the next year or so, especially around December when the ...
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1answer
1k views

How many FPGA can be attached to one computer?

I am looking at this. Dual FPGA X6500 Mining Card Rev 3 (Without Heatsinks) So we connect the card via USB and the card will mine? Should I buy one FPGA or several ones? Where do I attach the FPGA? ...
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3answers
17k views

What hash rate can a Raspberry Pi achieve? Can the GPU be used?

A Raspberry Pi is a credit card sized $25 (or $45, for the deluxe option) computer, designed for educational use. Has anyone tried running mining software on it? If so, what's the hashrate like? ...
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2answers
4k views

How to quickly check your mining speed?

Is there some website that provides some webminer or other way for a person to check their mining speed without actually joining any pool or doing solo mining? Alternatively, are there some miners ...
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2answers
676 views

Help locating bottleneck on new mining rig

I built a mining rig with 3 Radeon 6850 GPUs. When I run one miner (either Phoenix or m0mchil's poclbm) it reports a hash rate of a little over 200 Mhash/sec. When I fire up a second miner pointed ...
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3answers
3k views

Could the $25/£16 Raspberry Pi computer be used to run mining equipment?

Raspberry Pi $25/£16 PC article I saw this article today and it looks like a really interesting development in budget computing. It's a $25 barebones computer that runs Linux, and can play games ...
4
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2answers
1k views

What hashing speed does my hardware have?

I'm checking this page to know what hashing speed my hardware has. But there's no explanation about the acronyms. For my Core 2 Quad Q9650, what's the expected hashing speed?
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1answer
510 views

Mining pool hardware and bandwidth requirements

Has anyone measured what are the hardware and bandwidth requirements to run a mining pool? Are there any statistics on that per amount of active miners, their hashspeed and other variables?
5
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2answers
919 views

Internet speed required to run the Bitcoin client

What is the rough estimate of internet speed needed to run the standard client? Does a faster Internet connection increase the client performance (by that I mean how fast it updates its blockchain, ...
11
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2answers
3k views

Can gaming consoles be used as a Bitcoin mining platform?

I'm very new to the concept of Bitcoin (having only just read the wikipedia entry and visited bitcoin.org) My question is this: why is the mining platform limited to PC/ traditional computing ...
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3answers
6k views

Can I damage my computer by mining bitcoin?

I have been mining Bitcoin for a while on a few systems, some CPU mining (which has proved to be basically useless) and some GPU mining. The GPU miners are workstations, which have midrange graphics ...
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2answers
6k views

Bitcoin alternative designed for NVIDIA

Currently the best graphics cards to mine Bitcoins are all AMDs. What should be changed in the Bitcoin protocol to make the alternative version of Bitcoins better mined by NVIDIA graphics cards? Could ...
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2answers
673 views

Can you use an external PCI expansion box for mining?

I'm wondering if plugging cards into something this external pci expansion box would be effective in a mining setup. I guess it depends on how much bandwidth is used, but I don't know how bandwidth ...
20
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2answers
517 views

Hardware Bitcoins (Smartcards, RFID etc.)

is it possible to create a real hardware Bitcoin, e.g. a specified (and verifiable) value which is stored on a smart card or RFID which can be given directly to other people?
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7answers
35k views

How much Bitcoin will I mine right now with hardware X?

Say I have a given piece of hardware (CPU/GPU). Where can I find out how much Bitcoin will I mine per day?
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2answers
7k views

What's the difference between an ASIC and an FPGA? Which is better for mining?

I'm a software guy with only the most basic of hardware training/knowledge so while I understand the basic concepts of ASICs and FPGAs the details are beyond me. What are the primary differences and, ...
7
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5answers
3k views

Best GPUs for Mining

GPU mining is the way to go, as at August 2011, until something better arrives on the market. There are plenty of GPUs out there, but only a handful offer the best performance when comparing total ...