I'm now running DP-DP instead of DVI-HDMI. It took a bit to suss that out -- I ultimately had to do a minor case mod to enable the DP cable to 100% plug into the video card. Don't have first hand Gsync feedback for you just yet. I simply thought of you when I saw the below re flickering/firmware and wanted to share, for whatever it's worth. My monitor came with 1003.0, and I upgraded it to the 1009.3 just because.
To ppl interested about flickering
first one was flickering like crazy, it came with firmware 1002. Second one was slightly better but also was very noticable, it came with firmware 1003. The 3rd one (current) appears to mostly flicker only in menus and not that much, but i havent noticed it flicker in games, this one camed with firmware 1004.
https://www.reddit.com/r/Monitors/comments/i622hd
[Re the drama he encountered, my take is that he should have returned to vendor for a refund and movedon/boughtelsewhere/boughtagainafterrefund. Returning for a replacement only nets you a referb i.e. your replacement is what someone else returned. For me, the first thing I checked for was any pixel issues, etc. If I found anything, I would have just sent it back to B&H for a refund.]
Well it's been about 14 hours straight since I opened the box and started configuring.
I've had it connected via DVI-HDMI, DP-DP, and HDMI-HDMI.
First used
DVI-HDMI, since the included 5ft DP-DP is a notch too short for me. And while I'm not crazy about the curve for 2D work, it being a good VA panel makes me happy. I did a quick session of TF2 -- it's glorious. This is a great panel. This is in Ubuntu. My Slackware-variant daily driver distro is weirded out by DVI-HDMI -- the text becomes so distorted it's basically unreadable. (Old kernel may be the issue.) So this route is a non-option, at least not without some OS work on my part. And perhaps more fundamentally it would be at least somewhat of a waste to run this monitor at 60Hz anyway.
For
DP-DP, I put my PC on blocks to remedy the cable length issue. And... what a mess. With DP-DP, monitor is extremely reluctant to wake up when I turn the computer on. (Video card: Kepler). To elaborate, it intermittently shows it's detecting input on DP1 input, but it's like it's suppressing the computer boot -- the keyboard lighting that appears early in the boot process (pre-GRUB) does appear ... then goes away ... then appears ... and my final-pecking-order floppy drive that has a distinctively loud seek before loading grub is silent the whole time ... until it eventually after innumerable cycles I hear it seek and get to GRUB.
If you look at
tftcentral's "VRR Flickering Issues?" section in their review, I also got brightness changing when viewing that GIF. (I have Dynamic Brightness turned off, so that's not a factor.)
And with variable refresh turned off, I found I get slight coil-whine at fixed 240Hz. (Full disclosure: I'm particularly sensitive to coil-whine. Perhaps you aren't.) No coil-whine at 144Hz, but when I played that GIF to see if there was any whine 'under load', I did get some intermittent coil-whine. Same with 120Hz. No issue with 60Hz. (Once again we're at this being an awesome monitor - at 60Hz.)
With perhaps that GIF brightness issue aside, all is wonderful via DVI-HDMI in Ubuntu -- but DVI entails a 60Hz limit at 1440p. And as glorious as the panel is, ~$550 is step for 60Hz. So next step is to try the HDMI-HDMI route, which I'll due in earnest after I step away for a while.
So in a nutshell, it's a great panel that appears to be packaged up into a monitor in an sub-par manner. Maybe this is what I get for not going a LG route, who are my go-to for solid QC.