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Got a Wasabi-Mango 4k 42" Korean IPS monitor: What tests to run? - Page 109

post #1081 of 1247
accessorieswhole has the perfect pixel UHD430 on sale for $800 on ebay. Had to jump in on this after reading mostly good reviews on the updated 430 version.

Edit: turns out it was a price mistake but they are honoring it. Really nice of them.
Edited by aldoxzx - 2/22/16 at 7:33pm
post #1082 of 1247
Post your impressions when you get it. That was better than I paid for a non-Pixel Perfect, although I still can't find any bad pixels on my copy.
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post #1083 of 1247
AW, DS and GS and are good ebay sellers anyway.
post #1084 of 1247
Found an old post on slickdeals from three months ago showing you could've been able to get a UHD420 for $630 on ebay. It's interesting a 420 now costs more than a 430, with the 420 getting more scarce by the day. It's probably EOL. These South Korean monitors have extremely high turnover rates. I found a few 39" to 42" 4K monitors that have almost or completely disappeared since just Nov '15.

After doing quite a bit of searching, the best price I could find for a non-pixel perfect WB UHD430 is $760 http://www.ebay.com/itm/WASABI-MANGO-UHD430-REAL-4K-HDMI-2-0-SE-43-LG-AH-IPS-DP-3840x2160-UHD-Monitor-/111785370943?_trksid=p2141725.m3641.l6368
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post #1085 of 1247
@xenolith, that is the SE version, it has a much higher acceptable bad pixel rate and can also be bought direct from Newegg or Amazon in the US.

My first choice was the UHD420 but couldn't find one cheap enough and the UHD430 was just a few dollars more. But no one, even here has posted much information on the UHD430.

It looks like you can purchase at three levels:
Pixel Perfect - supposed 0 bad pixels
Standard - 0-3 bad pixels
SE - 0-10 bad pixels

Edited by WheresWally - 2/22/16 at 10:17pm
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post #1086 of 1247
I know. I'm just a cheap bastard looking for a cheap deal. biggrin.gif
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post #1087 of 1247
Got my Perfect Pixel UHD430 in.

This thing is incredible. I previously used a Dell U3011 for about 6+ years now and was waiting for the right time to upgrade. Since I use my monitor as my TV as well I wanted something a little bigger, but not too big (and 43" is about the biggest you could go for regular computer use imho).

No dead pixels, solid metallic front with no gaps or weird things that I saw mentioned with the UHD420 (although the back is plastic and the only thing really cheap feeling), 4:4:4, HDMI 2.0 and all that stuff, 10bit color in Win10, 60hz at 4k (using it with displayport and a 980ti). I tried changing the refresh rate to 100hz at various resolutions but none worked.

The OSD came switched to English out of the box so that was nice. I do see a Freesync option in the OSD but I have Nvidia so I cannot test anything with that.

You definitely have to calibrate it when you first get it. My color profile out of the box leaned slightly blue and I sort of fixed it but I think I really have to get a physical calibrator to get it right. It seems dumb that I have to buy a $120 thing to calibrate my monitor just one time?

Upscaling looks good from both DVDs and Blurays (where the 4k BluRays at?!)

There are some Korean user reviews that provide alot of pictures if you are curious:

http://bbs.danawa.com/view?boardSeq=28&listSeq=3026094&past=N
http://bbs.danawa.com/view?boardSeq=28&listSeq=3064468&past=N
http://news.danawa.com/view?boardSeq=62&listSeq=3026225

In any case I had no issues, plugged it in and it worked perfect. I'm extremely happy with my purchase..
post #1088 of 1247
After two weeks of ownership I am going to say that I really like the UHD430. I have had to do one factory reset and I still don't have it completely calibrated (waiting on my nephew to let me borrow his ColorMunki). The factory reset was a result of doing some stupid things with DDC software and some of the tests left the monitor displaying a magenta cast on the entire screen. The reset got everything back to normal. Without a newer graphics card it was hard to find 4K demos that actually play smoothly on my PC but I did watch Big Buck Bunny as well as Timescapes (ProRes version) and they look phenomenal. I plan on swapping out the current GTX-760 with an AMD R9 390X next month so that should make a big difference in the viewing experience. That also let's me try out the Freesync feature of the monitor.

I am surprised that @aldoxzx says there is a blue cast, because I am just not seeing that with the monitor at it's default settings and no monitor specific ICC profile.

The monitor is on 24/7 as well as the PC its connected to. I have no issues waking from sleep, but this is a single monitor setup so Windows 10 does not have to contend with any scaling issues. I did have one issue with HDMI, I am not in a position to repeat this experiment, here are the symptoms. I was setting up a OrangePi with debian linux and did it from my desk. Had the OrangePi connected to HDMI1 and PIP set to HDMI1 as Sub Input 1. Everything worked except coming out of sleep mode. My PC is connected via the supplied DisplayPort cable and it just wouldn't allow the monitor to come on out of sleep mode. The PC would wake up, but the monitor remained in power saving mode. I did not investigate further. It could be a monitor issue, a Windows issue or an nVidia issue, I am just not sure.

I do a lot of work in Fusion 360 and using this for CAD work over the dual Dell 2408 monitors I had previously is so much more enjoyable. Everything is razor sharp and with more screen area I can work in more detail without having to scroll around the model all the time. Even though I have Windows 10 scaling at 100% and I only sit 2.5 ft from the monitor I still needed Chrome to scale pages 125% to read them comfortably. That is the only scaling that I have needed.

I have the USB3 hub connected but have not plugged in any devices into it yet. After seeing all the issues posted in the Crossover threads, I am happy with the decision to get the Wasabi Mango. Once it is calibrated and I have had it a few months I will be able to say whether or not I would do it all over again.
Edited by WheresWally - 2/27/16 at 7:14am
Indurain
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Indurain
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post #1089 of 1247
Quote:
Originally Posted by aldoxzx View Post

Got my Perfect Pixel UHD430 in.

You definitely have to calibrate it when you first get it. My color profile out of the box leaned slightly blue and I sort of fixed it but I think I really have to get a physical calibrator to get it right. It seems dumb that I have to buy a $120 thing to calibrate my monitor just one time?

You can hire the calibration devices - try a local camera store. As you said, you only really need it once. The calibration does drift a bit over time as LCD pixels fade etc. - but it'll be years before you notice.
post #1090 of 1247
Quote:
Originally Posted by whaaat View Post

thx for the info,
mine said:
Code:
Color bit depth.......... 8 bits per primary color

so what is confusing me is if it said that my monitor not support 10 bit how others can support 10 bit (others uhd420 in this thread), it is possible that in the same model there some that support it and some that not support it?

Are you using nvidia cards? When I ran 970s I could only select 8 bit. Once I switched to amd cards I can select 10 bit. Seems to be an nvidia limitation
Edited by Tgrove - 3/2/16 at 11:10am
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Yokai Onmyoji
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