I am mining x16R with my 1070 and 1070ti (Ravencoin). I like the project though. Not sure about profit, but they mine x16r really well. 

I have a couple GTX 750ti in my mining rig for x16R mining Ravencoin. Getting 2.3Mh/s each.
https://myrandomtechblog.com/cryptomining/mining-x16r-ravencoin-with-a-nvidia-gtx-750ti/

Haven't really looked into my power costs on the GTX 750ti cards specifically as I am not in it for profit, just playing around with them right now. I think they spec at 65 watts.  But they are really cheap used and I thought of just making a rig of 6qty  750ti's for fun, and it would be getting about the rate of a single 1070ti :-) . I see them for sale cheap used in my area and might try to get a couple more.  Good luck if you try it. Hope it works out for you. I wonder if those PC recycle places get them, would be nice to get a couple more free ones.

Yeah I agree, I was surprised there were not many options out there for something that includes logging (at a decent price point).  I think Kill-a-watt should come out with a new model that does all this, they would probably sell quite a few of them. I know i would have paid more to have the features when I initially bought my Kill-a-watt. 

You got a good price, Those look pretty cool, but the price that's showing up for me is $82 each. But it does sound like a better option for you with your bigger setup. I wonder if those would work well on an individual circuit as well (if you modified the power cable). Just thinking if people wanted to just monitor per rig or something. The watts up idea is really more of a replacement for people using a kill-a-watt that want logging (And cheap :-) ) .

I was searching and found the internals appear to be the same for 120/240 on some of the models.

"Higher ratings of 100-277v, 50/60Hz, and 20 amps require appropriate country specific cord set and receptacle, and is NOT UL listed.  Internal electronics are the same. "

That was from this website, and they also have the manuals for download.

https://www.powermeterstore.ca/p5674/eed_watts_up_net.php

I guess i should have mentioned these were 120V. I do see they made an international version that did 240 when looking at the specs. But not sure how hard they would be to find. I did not see any international versions for sale on Ebay here.

From the specs....
Specifications
Voltage: 120 V (240 V for the international version)
Duty Cycle: 60 Hz
Maximum current: 15 amperes

Does anyone else use one of these? I just recently bought the .net version of their power meter with Data logging off ebay for $35. Now I see a bunch for sale even cheaper for $25 plus ship.

The downside is they are discontinued, and no longer supported, but I am playing with mine and so far its a great meter for the price. They can sample rates up to once a second. Captured 18 parameters, and you can also input your price per KWh and it will keep track of your cumulative costs, and also your average monthly costs. I was using a kill-a-watt to track power previously and writing it down in a notebook. But it is so much nicer to have it log it for me and I am able to graph the data. I also want to get the built in webserver working and have it transfer the data live and get the remote power cycle working.

Anyways again its discontinued and no longer supported by the company and the software is dated, but I did get it working on my win 10 rig and heard it worked with linux. Just curious if anyone else had one and was doing anything cool with it.

Here is a quick review I did on it if anyone wants to check it out.
https://myrandomtechblog.com/cryptomining/watts-up/

Anyways, the one I bought works great, but YMMV as they are used, but for the price I am happy even if I don't get the webserver/remote powercycle working. (But it would be cool to have those features)

If anyone has the webserver working can you let me know. I see some stuff on github for the meter and will start checking it out.

Its also interesting to watch the power fluctuate as it switches Algos. Here is x16r on my rig running for about an hour. Wattage is all over the place.



I grabbed this from a power meter that also does data logging off ebay for 35 bucks and just started playing with it on my miner. I am going to get another as I see someone has them for 25 bucks now. They are discontinued, and no longer supported, but a great meter for the price if anyone is interested. They can sample rates up to once a second. And you can also input your price per KWh and it will keep track of your cumulative costs, and also your average monthly costs. I was using a kill-a-watt to track power previously and writing it down in a notebook. Here is a quick review I did on it if anyone wants to check it out.
https://myrandomtechblog.com/cryptomining/watts-up/

I am trying it on raven miner now to see if that miner looks any different. <--  Not sure why i fixate on stuff like this, just cant help it. I like data.