A quick episode review on a 13x Zotac GTX1050Ti - 8x EVGA SC 1070Ti - 7x PowerColor Golden Sample RX580 8GB along with quick review comparison on a 8x EVGA SC 1070 and 6x RX480 Red Devil 8GB build. Jam packed episode with lots of rig goodies. Additionally announcement that BBT will be in Miami at The North American Bitcoin Conference (TNABC 2018) January 17th through the 21st.
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Welcome back to BitsBeTrippin’, this is your host carter let’s get into this. Now this is going to be a jammed pack episode covering several builds this week and hopefully giving you a clear and concise, straight to the point information on what’s available right now to you the consumer when building a mining rig and some basic numbers to understand what your potential output is based on our testing and observations. Now like always, none of these builds were provided by any companies, everything is purchased by us here at BBT and will be provided in the description below via a link that will take you to a blog review of configuration, bios and exact links to the items shown in this episode.
So, let’s get into the agenda on what we are going to cover today in this episode, first we have a 13x Zotac GTX 1050Ti build leveraging the ASUS B250 Mining Expert Motherboard in its maximum non-mining card mode, which will handle up to 13 of any GPU type out of the avail. 19 slots. Next will be a new 8x EVGA SC Edition GTX 1070Ti rig, literally the latest GPUs available on the market on the new ASUS Prime Z370 Motherboard. After that a 7x PowerColor Red Devil Golden Sample RX580 build showing everyone AMD can still hang with team green on performance, rocking in just over 30.5mh per card. Lastly, a quick blast from the past and a follow up to anyone that can still get the PowerColor Red Devil RX480 8GB cards, a 6x Rig with a Custom BBT Rockstar stable BIOS letting these operate at near 27.5mh and just under 1000w of power.
Ok let’s pivot to the first rig mentioned in that agenda, the Zotac GTX1050Ti Single Fan 13 card mining rig. This rig was put together due to many folks reaching out and asking if we could do a low power, budget rig that would give access to many folks that only have the GTX1050Ti’s available in their area. Additionally, with the lower cost of entry, this would allow many to start small and work to build a full rig over time. So, given that as a setup we wanted to starting with a solid platform that gave us the headroom to expand over time. Our choice was to go with the ASUS B250 Mining Expert Motherboard allowed us to get to 13 cards without any issues as the B250 supports up to any configuration of cards to 13, be that nVidia or amd if NOT using the P106 mining cards. If are wanting to max the board’s 19 slots out, then you would have to change the configuration to 11 GTX1050Ti’s (or any card for matter) and have 8 of the P106 nVidia mining cards added to get to 19. We covered this in pretty good detail in multiple livestreams how and why that is a limitation, videos linked in the description below for that detail. The rest of the build included a G4400 Intel 1151 Processor, and 4GB of Corsair Ballistix DDR4, 16gb sandisk memory stick for SMOS and a Corsair RM1000i to power the 13 risers. The power situation was simple, take the VGA 6pin connectors and go straight into the Risers with those. The RM1000i had a total of 6 VGA 6 pin adaptors allowing the remaining 7 risers to be powered by 4 separate SATA strands, 3 of them hosting two risers per and the final riser being powered by its own sata strand. The risers were a standard set we have used on most of our builds, the VER006 6Pin version. On the B250 MB. With only having one PSU we plugged that into the (A) Bank 24pin power connector and since we were using powered risers did not use the ancillary 4pin molex power connectors on the front of the motherboard. The GTX 1050Ti single fan Zotac’s do not have any ancillary power requirements so the GPU is being powered exclusively off the Powered Riser, with a max TDP of 75w, however for this build we had the Power Limit set to not exceed 60w in Simplemining. This set the entire system power usage when mining Ethereum at just over 800w of power. We were able to achieve a sub 700w power rating but it seemed to step cards down below 13mh by taking the power down to 50w. The sweet spot for us on this build was keeping Simplemining at 60w, GPU to -25 and MEM to 700, pushing the cards to a 175mh. Our results with Zcash required a bump of the Power to 65w and core to +50mhz with memory holding 625 and we got a respectable 170s per card, making this a 2200s mining rig @ 900w. Lastly the rig was leveraging our standard BBT open air design that we have shown in multiple video’s since 2013 how to build measuring in at 28.5” L, a depth of 17” and a Height of 12.5 inches.
Next up we wanted to see if the new GTX 1070Ti was worth the upgrade vs its previous iteration, the GTX 1070. Both of these are the EVGA SC edition and are priced pretty comparable to, having the 1070Ti rolling in anywhere between 40-80 dollars extra per card. In this configuration we decided to try out the new Z370 ASUS Prime A motherboard as the Z270 variants are on their way out. The big question here was, could the Z370, boasting 7 slots actually function the same way the Z270 did along with the M2 slot’s be leveraged for additional GPUs using a PCIe M2 adaptor. The short answer is yes, this board has preformed remarkably as the Z270 ASUS Prime A and AR boards do and when reviewing the BIOS options, a lot of the same selections are exactly the same, with only having a few slight changes in where the PCI link speed and 4G decoding are located. Our livestream on this build covered a step by step of the settings in detail for folks wanting more information on that, detail in the blog below. Now this build leveraged all 7 slots on the board and 1 M2 slot with the PCIe M2 adaptor, giving us a total of 8 cards. We pared that with an Intel i5 8600k 8th Gen CPU and 8GB of DDR4 3200 Corsair Vengeance LPX memory. Now you can get away with a much lower end processor, at the time of purchase this was the lowest end one avail in microcenter (was the day after black Friday). As for a power supply we went with a EVGA supernova 1300W G2 as we wanted to make sure we had enough VGA ancillary powered 8/6pin power connectors for the build. While we had physically enough 8/6pin connectors, we had to use two 6 to 8 pin adaptors to bridge the double connector rail to the right pin configuration to plug in the 8 connectors. The risers were plugged in via 6pin to Sata across 4 individual SATA rails, boasting two risers per rail. With this build we leveraged a 16gb Sandisk usb stick with SMOS on it and with moderate clocks achieved a nearly a 32mh per card at full system power of 860w using 800mem and SMOS Power set to 95w. When testing Zcash we hit 495s per card using 115w SMOS power setting and GPU clock moved to 125+ and memory at 800 using 1190w, not bad for a 4000s system. Quickly looking at the GTX 1070 SC edition using the same settings regarding memory, power and clocks we saw a 32mh at slightly more power resting at 1050w and with Zcash performance of 476s vs the 495s at same clocks. More than likely this is do to the extra compute unit on the GTX 1070Ti. Bottom line, either one you go with it will come down to availability as both are excellent choices in the mining space. The GTX 1070Ti seemed to handle temperatures better as the fan speed of 40 kept the card under 60c on the 1070Ti, where the 1070’s ran a 50 fan speed and kept below 65c. More detail on the various crypto algorithm performance was completed on the livestream and we have included that detail too in the blog link below (see the common them here).
Now over to the Power Color Red Devil RX580 8GB Golden Sample rig. Now earlier this year we covered this as a single card review and say some crazy performance once we put on a custom bios that adjusted the memory timing straps to more optimal settings and coupled that with a blazing 2250mem setting showed us what the RX Polaris line could do rocketing in at nearly 33mh. We felt it was time to ad a few more cards to that mix and move it to a 7 card build built on top of a tide and true platform, the ASUS Z270 Prime AR motherboard. We paired that with an intel i3 7100 and 8gb of DDR4 and to ensure we had enough power for dual mining a eVGA Supernova T2 1600w Titanium PSU. Additionally, with the RX580 Golden Sample having both an 8pin and a 6pin we wanted to ensure we had enough connectors for both GPU adaptors. Now just as a side note. We have seen and have tried successfully only plugging in the 8pin only leaving the 6pin open. That works fine if you are only single mining, but do not recommend if you are wanting to dual min with this card. We found very unsavory results when dual mining and cranking up the power/core/mem and not having it connected. Having the 1600w T2, its not an issue to have them connected as you have enough connectors out of the box to address the configuration of 7 cards. Now regarding performance, these again show strong consistency with no hardware errors as shown in our previous livestream rocking in at 30.5mh sustained and a total system power draw under 1200w for a 210 to 213 total mh on ethereum. Additional tweaks such as adding minor voltage adjustments drives the power down near 1100w taking the core down to 900mv and the power limit down by -10. Now the core clock and memory settings we came to on this are 1200 core and 2150mem, along with the custom timing strap all located in the BIOS provided below. Now this build prompted us to review the sister variant the PowerColor Tri-Fan RX480 8GB variant on how it performs in comparison. This build we went with a 6x setup in a more compact version of our open-air case sporting the winter theme of bright green and red accents on the card for that winter festive look. Measuring in at 21” long, 15” deep and 10” high, this is about as compact of a 6 card rig we make. The build was a relative simple one using a ASROCK H81 Pro BTC R2.0, 4GB of DDR3 and an Intel G3930 and powered by a EVGA Supernova 1200 P2 Platinum PSU. After rounds of testing we decided create our own bios for this particular card as all avail versions seemed to have issues with stability and hw errors. This resulted in a rock star stable 27.5mh at a lower power consumption of 980w using -cvddc 900 and -20 power limit. GPU and memory locked in at 1160 and 2100 respectfully, helping to keep stability and power usage down. Ticking the memory up to 2150, pushes the cards to a 28.3mh, but also brings up the power just over 1000w. Bottom line, the RX480 still providing a solid mh and power output while its bigger brother, the RX580 rocking in a slight more mh but at the expense of a little more power. Now in closing both of these are not necessarily the most power efficient setups in the AMD line as the RX 470 and 570 variants come in up to 15% less power for nearly the same performance of 27mh, but like most situations in retail gpus, it’s all about availability and what can you put to work.
Now hopefully you found this valuable and a good recap of the past few livestreams. The team is working to add additional improvements to bitsbetrippin.io and expand our support section which is being developed under bbtsupport.com which will be merged once our initial content us updated. All previous episode content/timestamps and major point made in the livestreams are being added to the website as a database of history of what was covered and equipment used in an effort to help embolden the knowledge we try to bring on BBT to the community.
In closing lets quickly switch gears on what’s next, as the team settings down for the holiday break we are getting ready to bring you some awesome live coverage down at The North American Bitcoin Conference in Miami on January 17th through the 21st. We are taking several members of the BBT crew down and will be talking with many industry leaders and participating in the discussion around the entire crypto space. Its going to be a great time and if you can make it down there is still tickets available that can be reached from the link below. Lastly thanks again for liking, subscribing and sharing these videos to your friends, colleagues and family members that are looking to get into mining as all of your feedback helps embolden the community that supports many of these Proof of Work protocols.
Thanks for watching and stay tuned!