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Posts Tagged ‘Block Erupter’
The Block Erupter Cube Bitcoin ASICs are the latest products (though already a few months old) to come out from the company ASICMiner – the same company that made the small USB sticks for mining Bitcoins. These ASIC devices are capable of 32 to 38 GHS (stock and overclocked) and come with a small form factor, but with a relatively high power consumption to be good choice to continue mining for much longer. We got our hands on one of these devices and decided to check it out and report some interesting things we’ve found out about it and that you will probably not find anywhere else. Like for example the thermal images of the miner in action that you can see above that give interesting insight into the operation of the miner. You can see that inside of the device can get pretty hot, while the outside aluminum case remains pretty cool, so the cooling is apparently quite effective in moving air through the chips to keep them operating problem free even when overclocked, even though the chips temperature can go as high as 80 degrees Celsius. Another interesting finding is that the safety fuse on the back of the device can get pretty hot, so e careful with the fuse while the device is working.
The inside of the Block Erupter Cube Bitcoin ASIC consists of a main control board and six modules with chips, each of the boards with chips has 16 chips and the total number of chips inside the device is 96. These are the same chips that are found on the Block Erupter USB devices, so they are not very power efficient nowadays as compared to other alternative solutions available. As you can see the idle power consumption of the ASICMiner Block Erupter Cube is 130W and having the device overclocked to run at 38 GHS the power consumption can go up to about 350W (measured at the power outlet). The high power consumption is with the relatively low hashrate already is what is making these a bit outdated and in a few more jumps in the Bitcoin difficulty.
The Block Erupter Cube devices comes with a built-in web management interface that also allows you to switch between the normal and overclocked operation mode with a click of a button. The web interface lets you enter the pool settings, so the device can operate without the need of a computer, however it only supports getwork and not stratum. And with stratum pools you need to use a stratum proxy in order to be able to connect to a stratum pool and that needs to be installed on a computer. We have managed to get about 37 GHS stable hashrate from the unit we have tested in the overclocked state and it was running stable and reliable for the whole week of testing that we did. And while the Block Erupter Cube ASIC miners do have some specifics, they do look nice and well built and already can be found quite cheap, pretty soon there will no be much point in mining for Bitcoins with them, unless you don’t pay for the electricity used. So do not get very tempted by a too attractive price for a Cube miner and better consider another ASIC alternative for mining Bitcoins that provides higher hashrate and uses less power.