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Posts Tagged ‘KDA’

Goldshell KD BOX II Kadena (KDA) ASIC Miner Available Now

5, Jan 2023

The ASIC manufacturer Goldshell has started selling an updated version of their smaller KD BOX PRO home-oriented ASIC miner for Kadena (KDA) dubbed Goldshell KD BOX II capable of up 5 TH/s hashrate with 400 Watts of power usage with a price of $325 USD (without shipping and customs expenses), starting to ship in mid-January from Asia. The new device comes in a similar small-scale form factor with increased performance and two 6-pin PCI-E power connectors instead of just one due to the increased power usage as well (still a bit on the edge for 24/7 400W power usage though in our opinion). Interestingly enough there is no WiFi capability, just Ethernet port and the wireless connectivity especially for home miners is a really useful feature that the previous PRO model did come with. Interestingly enough even with the higher power usage the new KD BOX II is still rated at the same noise level as the PRO version, we kind of expected to be noisier, and it actually could still be.

Goldshell KD BOX II Specifications:
– Default Hashrate Mode: 5 TH/S (±5%)
– Default Hashrate Power: 400 (±5%)
– Low-Power Hashrate Mode: 3.5 TH/S (±5%)
– Low-Power Hashrate Power: 260 W (±5%)
– Dimensions: 178x150x84 (mm)
– Weight: 2KG
– Noise level: <35 dB
– Connection Port: Ethernet
– Operating Temperature: 0~35°C
– Relative humidity: ≤65%
– Input Voltage: 100-240V

So, the new Goldshell KD BOX II comes in the same compact size case, weights the same, however is capable of increased performance compared to the older PRO model. It consumes more power, yet it should remain with the same low noise level that is very acceptable for home use – great for a heater/miner choice, or so the official specs claim. There are apparently two modes of operation (a single miner replacing the regular and Pro models in the previous generation?) resulting in 5 TH/s mining hashrate for KDA with 400 Watts of power usage or 3.5 TH/s at 260 Watts of power usage.

As a comparison the KD BOX PRO is rated for 2.6 TH/s at 230 Watts of power usage… that is just about 0.0885 Watts per Gigahash of hashrate. As a comparison the new KD BOX II does manage to offer 0.0743 Watts per Gigahash in low power mode when running at 3.5 TH/s or 0.08 Watts per Gihagash in full power 5TH/s hashrate mode. These numbers actually show that there is just about 10% improvement in power efficiency in the high-power mode when the new miner runs at full 5 TH/s hashrate, the lower power mode is better though.

What is our verdict for the Goldshell KD BOX II then? Considering the not that much of power efficiency improvement in the full power mode that will most likely also come with significant increase in noise level (the less than 35 Decibels is probably the rating in low power 3.5 TH/s mode we suspect) and the lack of WiFi capability it might not actually be that much better choice than the KD BOX PPRO model. The only advantage is the lower price and the fact that the older models are no longer available for sale from Goldshell. We kind of expected to see something like the difference between the KD BOX and the KD BOX PRO models where improvement was much more significant than what we are getting there between the KD BOX PRO and KD BOX II.

– For more about the Goldshell KD BOX II Kadena (KDA) ASIC Miner…

New SRBMiner-MULTI Miner 0.4.5 With Support for Epic Cash (EPIC)

3, Jun 2020

The latest SRBMiner-MULTI CPU and AMD GPU Miner version 0.4.5 adds support for the RandomX-based RandomEpic algorithm used by the Epic Cash (EPIC) crypto project for both solo and pool mining. There are also some performance improvements for the RandomX algorithm for CPUs as well as for Ethash and Ubqhash on AMD VEGA GPUs. You also get a number of fixes and new features, the full changelog is included below:

SRBMiner-MULTI CPU & AMD GPU Miner 0.4.5 changelog:
– Added ‘randomepic’ algorithm (EpicCash RandomX) solo/pool
– ‘ethash’ and ‘ubqhash’ algorithm faster ~1.5% on Vega
– ‘RandomX’ algorithm improvements
– Fixed allocation of ‘RandomX’ dataset for 1GB pages (--randomx-use-1gb-pages parameter)
– Fixed an issue with MSR tweaks not being applied correctly
– Lowered ‘minotaur’ algorithm devfee to 2%
– Fixed crashing of ‘minotaur’ algorithm on AVX2 capable cpus
– ‘--send-stales‘ is now set per pool, it accepts true/false. Default is true.
– ‘send_stales’ parameter added to pools config file too
– ‘–gpu-intensity’ option can now be used in combination with auto gpu setup in cmd
– Improved gpu watchdog
– Added temporary parameter ‘--cnpool-bbc-fix‘ which disables workers if job diff >= 50
– Minor bug fixes

SRBMiner-MULTI Miner is a closed source miner available for Linux and Windows, supporting CPU mining algorithms as well as some AMD GPU ones, though we mostly use it for processor mining. The miner has a built-in developer fee of 2.50% for cryptonight_bbc, 2.00% for bl2bsha3 and minotaur, no fee for blake2b and yespowerurx and 0.85% for all others that are supported.

– To download and try the new SRBMiner-MULTI CPU and AMD GPU Miner 0.4.5 Beta…

New SRBMiner-MULTI Miner 0.4.4 With Ethash and Ubqhash Support

10, May 2020

The latest SRBMiner-MULTI CPU and AMD GPU Miner version 0.4.4 adds support for Ethash and Ubqhash crypto algorithms and you might want to give the miner ago for these two particular algorithms if you ave a Navi-based AMD GPU (Radeon RX 5500/5600/5700 series) due to optimized kernel from Wolf9466. For other AMD GPUs mining Ethash and Ubqhash might not be the fastest, though you can still give a go on your mining hardware. We prefer to stick mostly to CPU mining with SRBMiner-MULTI as it is one of the fastest options for a number of algorithms and coins such as Micro Bitcoin’s Power2b algorithm. The new version also adds some useful options for the newly added algorithms and comes with some fixes and improvements in general, you can see the full changelog below.

SRBMiner-MULTI CPU & AMD GPU Miner 0.4.4 changelog:
– added ‘ethash’ algorithm
– added ‘ubqhash’ algorithm
– added parameter ‘--esm‘ to set ethash/ubqhash stratum mode for pool (0 – eth-proxy, 1 – miner-proxy)
– added parameter ‘esm’ to pools config (ethash/ubqhash stratum mode for pool (0 – eth-proxy, 1 – miner-proxy))
– added parameter ‘--enable-ethash-leak-fix‘ which tries to workaround AMD driver memory leak when recreating DAG.
– fixed algo switching and tweak_profiles miner freeze bug.
– --gpu-tweak-profile option can now be used with auto gpu setup in cmd.

SRBMiner-MULTI Miner is a closed source miner available for Linux and Windows, supporting CPU mining algorithms as well as some AMD GPU ones. The miner has a built-in developer fee of 2.50% for cryptonight_bbc and minotaur, 2.00% for bl2bsha3, no fee for blake2b and yespowerurx and 0.85% for all others that are supported.

– To download and try the new SRBMiner-MULTI CPU and AMD GPU Miner 0.4.4 Beta…


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