KTC 34 Inch Ultrawide Monitor, 180Hz WQHD 3440X1440 Curved Gaming Monitor, 1500R PC Monitor, HDR, FreeSync & G-Sync, HDMI, DisplayPort, VESA, Tilt Swivel Height Pivot Adjustment, H34S18S
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Availability:
In Stock.
Arrives
Thursday, May 28
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Size: 34-inch
Style: WQHD Curved 165Hz
Features
- Ultrawide QHD Curved Monitor: 34 inch 1500R curved display with 21:9 aspect ratio and WQHD 3440X1440 resolution, immerses you in a world of nuanced detail
- Smooth Gaming Experience: 180Hz refresh rate captures every little detail for a responsive gaming experience with adaptive sync to eliminate artifacts and motion blur
- Wide Range Of Colors: HDR delivers near-lifelike color representation, 4000:1 contrast ratio for darker darks and brighter brights.123% sRGB and 98% DCI-P3 provides accurate color reproduction
- Optimal Comfort: Tilt Swivel Height Pivot adjustable, making it easy to customize your space. Low blue light and flicker-free modes optimize display performance for work and gaming, protecting your eyesight
- Multiple Possibilities: Equipped with HDMI2.0 2, DP1.4 2, suitable for connecting game devices and work computers. 100mm100mm VESA, supports wall mounting
Brand: KTC
Screen Size: 34 Inches
Resolution: QHD Wide 1440p
Aspect Ratio: 219
Screen Surface Description: Matte
Aspect Ratio: 219
Screen Finish: Matte
Contrast Ratio: 40001
Refresh Rate: 180 Hz
Display Type: LED
Display Technology: VA
Viewing Angle: 178 Degrees
Brightness: 350 Candela
Pixel Pitch: 0.23
Color Gamut: 123
Has Color Screen: Yes
Picture Quality Enhancement Technology: FreeSync & G-Sync
Screen Size: 34 Inches
Item Dimensions D x W x H: 5.31"D x 32.48"W x 21.2"H
Item Weight: 9.91 Kilograms
Resolution: QHD Wide 1440p
Display Resolution Maximum: 3440 x 1440 Pixels
Native Resolution: 3440x1440
Connectivity Technology: DisplayPort, HDMI, usb
Hardware Connectivity: DisplayPort, HDMI, Headphone, USB 2.0
Adaptive Sync: FreeSync, G-Sync Compatible
Additional Features: Adaptive Sync, Anti Glare Screen, Eye Care, Flicker-Free, Ultrawide Screen
Specific Uses For Product: Business, Gaming, Photo Video Editing
Color: Black
Mounting Type: Desk, Wall Mount
Compatible Devices: Desktop, Gaming Console, Laptop, Speaker, Tablet
Warranty Type: 3 Year Manufacturer Warranty
Shape: Curved
Brand: KTC
Model Number: H34S18S
Model Name: H34S18S
Warranty Description: 1
Series Number: 34
Manufacturer: KTC
Built-In Media: Adaptor ×1, DP Cable ×1, HDMI Cable ×1, Monitor ×1 +Base ×1, Power Cord ×1, Screwdriver ×1
Response Time: 3 Milliseconds
Total Number of HDMI Ports: 2
Total Usb Ports: 1
Number of Component Outputs: 4
Total USB 2.0 Ports: 1
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, May 28
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 34-inch
Style: WQHD Curved 165Hz
I first picked up this KTC 34-inch curved ultrawide (3440x1440, 180Hz, H34S18S) for my son's gaming PC, and I liked it so much that I ended up buying one for myself too. It completely replaced my old Dell 27-inch office monitor (1080p), and the difference is night and day. The size alone is immersive—going from a standard 27" to this 34" curved panel feels like a whole new workspace and gaming experience. The jump to 3440x1440 resolution is sharp and detailed compared to 1920x1080, and (for me) the colors pop with great brightness and contrast right out of the box. HDR support adds nice depth for movies and games, and the 180Hz refresh rate keeps everything buttery smooth—no tearing or stuttering in fast-paced stuff. I was hesitant about going with a lesser-known brand like KTC instead of paying a premium for one of the big names, but after seeing how well this performs, I'm convinced many of those expensive monitors are using similar (or the same) panels anyway. This one delivers flagship-level visuals at a much better price. Setup was easy—plenty of ports (HDMI, DisplayPort), full ergonomic adjustments (tilt, swivel, height, pivot), and VESA mount compatibility if needed. The only minor quirk I've noticed is that it takes a couple extra seconds to wake from sleep mode compared to my old Dell, but it's such a tiny inconvenience that it doesn't bother me at all. My son, who's a serious gamer, spent some time dialing in the color calibration to his liking (the base settings were already great for me—no tweaks needed), and once he got it tuned, he says it looks incredible. That's the main reason I'm going with 4 stars instead of 5—out-of-the-box calibration might not satisfy everyone who's picky about color accuracy for gaming or creative work, but it's easily fixable with a little effort. Overall, this has been one of the best monitor upgrades I've made. Highly recommended if you're looking for a high-refresh ultrawide without the big-brand markup. 4 stars—excellent value and performance!
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Reviewed in the United States on February 21, 2026 by Chris
Size: 27-inch
Style: 4K 160Hz/FHD 320Hz
This miniLED monitor is phenomenal, and gives you a lot of functionality and picture quality for a relatively low price. If you use your PC for a mix of work and gaming, this is a great alternative to OLED options that can be at risk of burn in. The HDR looks great, the dual mode resolution switch works very well and saves all of your options, and the usb-c 60w port is very useful for plugging in laptops, and charging phones. Some have said that the local dimming could be better, but I think that is only a problem when looking at the screen from an angle. When facing the screen forward, the local dimming does a great job of keeping the dark colors dark. I've seen some complaints of dead pixels, and bad packaging, but mine was packaged very well, and as of now, there are no dead pixels or black spots that I can see. Everything looks and runs well right out of the box, and I don't have any complaints. Are there better options out there? Of course! But for the price, its really hard to beat what this display has to offer, especially if you are upgrading from a 1080p setup. This manages to do so much, and I think the pros heavily outweigh the cons.
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Reviewed in the United States on February 9, 2026 by P.A.Armijo
Size: 27-inch
Style: QHD Curved 240Hz
They're cheap and do monitor things, but I bought two of these for my new office and less than a month later there is already a dead pixel on one of them. I've never had this problem with a better known brand and have never heard of it happening so quickly. They otherwise have average to good color quality, responsiveness and refresh rate. If you want to roll the dice could be worth a try but be wary of overall quality and longevity.
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Reviewed in the United States on April 26, 2026 by Spybreak
Size: 27-inch
Style: 4K 160Hz/FHD 320Hz
Excellent monitor, but a little too saturated on default settings out of the box. For the best experience, either use sRGB mode with low local dimming at 75% or 100% brightness, or, like I do, and use DCI-P3 color mode with low local dimming at 100% brightness, and it looks really accurate and great! As for HDR, it's a mixed bag. In order to get the best brightness and bang for your buck, you shouldn't be using this monitor with Windows HDR or macOS. If you want true 1:1 HDR, it is much better with a console that has proper HDR settings and out of the box tuning. But if you want to use it with a PC or Mac, it is still mostly fine, but I would calibrate the HDR using the built-in calibration in Windows. The refresh rate is also a mixed bag. If your computers GPU or console doesn't support the latest DP 1.4 and/or HDMI 2.1 standard, then you won't be able to do more than 120Hz at 4K without display compression, and it looks and feels horrible when compression is on and visable at 160hz. My recommendation is this setup for PC: Use the DCI-P3 color mode for the best color accuracy across HDR and SDR, but if you don't plan on using HDR and use exclusively SDR, then stick to sRGB mode for the best accuracy for SDR content and gaming. 100% brightness for the best brightness and hitting the advertised HDR brightness claims. Note this may be too much for the average person, so if that's the case, stick to 75%, which still hits a respectable brightness. For HDR calibration in Windows: set to 1930 nits (small window) and 1600 nits (full screen), as those are the official rated numbers. Use exclusively 120Hz at 4K and the standard preset for overdrive, as any other preset has overshoot and ghosting and any refresh rate above 120hz is pointless if you get display compression and not that noticable or helps much in gaming. As for the 320Hz dual-mode operation, it does not support native scaling, so you just get a blown-up 1080p image with no scaling, and it looks very blurry and unclear on the 4K display. It does hit its advertised 320Hz, but it is unusable in my opinion due to the blurriness of the picture from the lack of proper image display scaling. I also think they are slightly overdriving the pixels more than usual because even on the standard preset, there is still a lot of visible ghosting and overshoot on the monitor. I had to fully turn it off to get rid of it, but that defeats the point of the 320Hz mode, as it introduces more input delay for a clearer, smoother image. If you bought this monitor purely for the 320Hz mode and don’t plan to use 4K, you would be better off with a monitor that has native 320Hz support. This is clearly more of a 4K monitor than a 320Hz 1080p one. In conclusion, if you are looking for an excellent 4K monitor with really bright colors and overall brightness for viewing content and gaming in HDR, then this is it. But if you are looking for the best response times and don’t want to tweak settings out of the box, then maybe look for something else, as this monitor is clearly aimed at MiniLED enthusiasts and people who know what they are buying and how to properly set it up for the best experience. If you want a great MiniLED thats for beginners I recommend the AOC Q27G3XMN 27" for a better entry point to gaming with a MiniLED as it's 1440p and doesn't need any tweaking out of the box for a great experience if you want to try out MiniLED without eating away $500.
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Reviewed in the United States on April 24, 2026 by Cole