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"Fan Samwiches" 1080Ti SLI Gaming/Mining Build

by dankmonty

5
7 Comments

Part List View full price breakdown

Details

Date Published

Aug. 8, 2017

Date Built

July 4, 2017

CPU Clock Rate

5.0GHz

CPU Temperature While Idle

43.0° C

GPU Core Clock Rate

2.05GHz

GPU Effective Memory Clock Rate

5.2GHz

GPU Temperature While Idle

29.0° C

GPU Temperature Under Load

45.0° C

Description

UPDATE 8/27/17: I decided I haven't spent enough on this project ;), so I am going to be putting all these components plus 2-6 more 1080Tis into the LIAN LI DK-05 dual system case/standing desk! Will post link to new build when I do it. Plz comment below and let me know what you think! :D

MY FIRST BUILD! I've always wanted to put together a high end desktop for gaming and recently started learning about crypto mining (Zcash, HUSH, Siacoin, Ethereum). I think it's really interesting so I figured the time is now to recoup some of the cost of the build (in the chance value of any one of the coins has massive gains).

I started out by spending countless hours picking all my parts on this site (ratings and reviews are very helpful, especially when combining with Amazon ratings /reviews). I purchased mostly on Newegg (and Ebay when possible, to reduce cost) and tried to build the PC myself initially. I was a bit too ambitious apparently and ended up having to take it to the local PC shop to troubleshoot and rebuild for me haha.

I began with a single 1080Ti. It was fun for a few weeks, but then I got greedy and decided to take it to the next level with SLI! I ordered another 1080Ti hybrid water cooled GPU, a better power supply (Corsair AX1500i), Corsair RGB strips and fan/RGB controller, doubled the 3200 memory with some fun Corsair blue LED RAM (16gb up to 32gb), two Seagate Barracuda HDDs (8tb each), and last but not least, added four beastly 3000RPM Noctua fans on the radiators (in addition to the existing ones) and replaced the last remaining case fan to maximize airflow. These fans really do the trick; heat is transferred to outside the case very quickly. This was another reason for picking the inverse ATX case, to minimize dust and maximize airflow.

My biggest gripe with the setup is it is now is that the Corsair Link for the PSU has some sort of issue where (when the PSU Corsair link cable is plugged in) starting the Corsair Link software shuts down the system. If that Corsair link cable isn't plugged in, it works fine. There is no solution as of now on the forums, so I just don't monitor the PSU :(. Since I am mining at less than half load on this overkill PSU, I was really looking forward to having that capability - hopefully it will be fixed in a later update from Corsair. Until then, I purchased a Kill A Watt power strip to monitor total power consumption by the PC. My other (small) gripe is that these Noctua fans only come in an ugly brown color so that you are forced to buy their mounting hardware for ~$30 for only 5 fans! Total rip off.

Anyway, 2 rebuilds and $5,000+ later, here we are! I still think I got a lot of power and nice peripherals for the money. For a first time build, it was a really fun experience. I appreciated AIO coolers being available (especially for the GPUs!), as I initially was looking at trying to do hard tubing. I'm glad I didn't, as that would have been more maintenance and complication that I feel isn't really necessary or reasonable for me personally.

A few things I would have done differently would be to:

  1. Buy a CPU directly from SiliconLottery.com, since they have them binned at different speed. I probably would have gone for one of the ones they sell that are certified up to 5.1 (in order to be conservative and run 24/7 stable at 5.0).

  2. Buy 2x16gb RAM instead of 4x8gb RAM. I just think it would have been smarter and allowed for expansion (probably not needed for a long time). I would have done it, but when I first started I was only shooting for 16gb total and keeping this under $3k!

  3. Go with a case that had tempered glass and more of an aluminum finish. The Phanteks Enthoo Elite? :D Expensive as hell, but it would look nicer at home. Maybe I will build a dual system in that box next with all of this stuff when the next generation of Nvidia GPUs hits the market.

  4. Stick with my original Corsair HX1000i power supply, instead of upgrading to the AX1500i. At low loads, the efficiency is greater, but considering I am running it at about 450-500w constantly, the efficiency of the HX1000i would have been enough (and saved me $400 that could have gone towards X299 motherboard and better CPU). Not sure why I was thinking that this system would be running at ~800w while mining EDIT: I was thinking that because of this site lol. The builder's max output. Either way, the PSU will last me a long time and will actually come into use if I find a way to get these components plus more GPUs into the new Lian Li desk.

  5. Build with an X299 instead of Z270. When I started, the budget didn't allow it, but by the time I said "F the budget," I had already bought the CPU etc. :(

TO COME: When it is finally available (maybe 2018), ~32" 120/144hz 4k monitor for a triple monitor setup

Part Reviews

CPU

Not a bad processor, but it experiences some heat spikes that led me to getting it de-lidded. Loses a star for that.

CPU Cooler

Great CPU cooler. Replaced the fans with Noctua 3000RPM. Great results.

Storage

Great fast SSD. 1TB is a good size to start.

Storage

Using these to mine Siacoins. Large capacity at a good price.

Video Card

Great GPU. I love the AIO liquid cooler. For those who don't want to go all-out on a custom loop but still want the performance, this is a great option. I added Noctua 3000 RPM fans to increase airflow - awesome results.

Case

Love the inverse ATX layout, but this thing needs tempered glass. Badly. Knocking one star for that.

Power Supply

Great PSU. Fan never even comes on - basically silent. Corsair Link cable does not work for PSU though, which was frustrating. Loses a star for that

Operating System

Always buy these keys on eBay!

Case Fan

Very powerful fans. Highly recommend. Only downside is you have to buy separate, expensive mounting hardware because theirs is only an ugly brown.

Case Fan

Very powerful fans. Highly recommend. Only downside is you have to buy separate, expensive mounting hardware because theirs is only an ugly brown.

Monitor

Great, cheap 4k monitor. Downsides are lack of USB and the stand isn't adjustable. Ordered a gas spring dual monitor mount for the desk that should be here soon. When a 144hz 4k monitor comes out that looks decent, that will be my new primary monitor.

Mouse

Highly recommend. Fits the blue theme.

Comments Sorted by:

Synl 1 point 5 months ago

That's a sexy PC

dankmonty submitter 1 Build 1 point 5 months ago

Thank you sir!! Much appreciated

pgarram 1 point 4 months ago

How noisy are the two 1080 Ti Hybrids, if you don't mind me asking?

dankmonty submitter 1 Build 0 points 4 months ago

Not gonna lie, it's a little noisy when at load due to the fans, but no worse than air coolers. It's the Noctua fans that make the noise, really. I think if I were to do it again I would get a 3-pin 2000RPM Noctua fan to replace each 1080Ti hybrid fan, rather than bolting the 4pin 3000RPM fan on in addition to the stock fan. That would be quieter than the setup I have now (not quite as good airflow, but I'm sure good enough). I had already purchased the 4 pin, so that's why I did it the way I did (for a direct swap it must be 3 pin).

Chron 1 point 4 months ago

Thats because you have more money than sense. Put both hybrid radiators as front intake and for gods sake clean up your cables and hoses. That birds nest is killing your airflow.

Organize that mess and you could get the same temps with much lower (quieter) rpms. For that kind of money you really should have built a custom loop, but as it is you are always going to have to suffer the noise of 3 low quality AIO pumps.

[comment deleted]
dankmonty submitter 1 Build 1 point 4 months ago

Took a look and it doesn't look like the AIO will fit in the front above the first radiator. Shame, because that would have worked better. I'm guessing the guys at the PC shop tried this already and had to settle on a pull-push setup

SirHalpin 1 Build 1 point 1 month ago

Anyway, 2 rebuilds and $5,000+ later, here we are!