Looking for some of the best Best 40 Inch 4k Monitor? As you may know, there are dozens of brands available in the market such as Samsung,INNOCN and some come with vastly different price tags. Let us help you out here – we have handpicked the Best 40 Inch 4k Monitor for you.
To compile our list, we’ve researched and evaluated a range of the best-selling products on the market. We recommend Samsung Best 40 Inch 4k Monitor as our top pick because of its exceptional overall performance. Want to explore more options? Read on! There’s also a buying guide to help you make a wise shopping decision.
Editor's Choice
Samsung 43” Smart Monitor M7 (M70F) 4K UHD Display, Samsung Vision AI, Smart TV Apps, Gaming Hub,
Premium Pick
SAMSUNG 40” Odyssey G7 (G75F) WUHD Resolution, 180Hz, Curved Gaming Monitor, 1ms Response Time
Budget Pick
INNOCN 40C1R Ultrawide Monitor 40" WQHD 3440 x 1440p 144Hz FreeSync Premium HDR400 21:9 Computer
Top 10 Best 40 Inch 4k Monitor
We researched and compared the top products in the Best 40 Inch 4k Monitor category to provide you with these recommendations.
1. Samsung 43” Smart Monitor M7 (M70F) 4K UHD Display, Samsung Vision AI, Smart TV Apps, Gaming Hub,
- INSTANT ACCESS TO YOUR FAVORITE STREAMING CONTENT: Stream content directly from your monitor, or tune into Samsung TV Plus to get live channels and on-demand content.
- OPTIMALLY TAILORED VISUALS WITH AI: Experience optimal picture quality adjusted to your needs. AI Picture Optimizer adapts the visuals to help you work on documents with comfort, get fully immersed in games with deep and rich blacks.
- SIMPLE CONTROL FOR YOUR SMART HOME: See your smart home devices in a 3D Map View and manage them with ease. You can also check the energy usage and cost by device, and save money by putting them in energy-saving modes.
- YOUR PRIVACY. SECURED ON SAMSUNG MONITORS: Keep your monitor data safe and confidential with Samsung Knox. Its robust, multi-layered security and tightly controlled access also enhance the security of your IoT connections made through your Smart Monitor.
- ENJOY YOUR CONTENT IN VIVID DETAIL: Watch your content come to life with incredible clarity. 4K UHD resolution enhances even fine details in images and videos, making worlds feel more vibrant and realistic.
- ADAPTS TO NOISY ENVIRONMENTS: Hear words clearly with AI technology. Active Voice Amplifier analyzes background noise around the monitor and automatically adjusts the volume of your content, so you can catch dialogue effortlessly - even in loud settings.
- DISCOVER WHATS ON YOUR SCREEN: Enrich your viewing experience with Click to Search. With just a click, youll instantly get content recommendations and details on what youre watching - so you can explore actors biographies, filmographies and more.
- ADAPTS TO NOISY ENVIRONMENTS: Hear words clearly with AI technology. Active Voice Amplifier analyzes background noise around the monitor and automatically adjusts the volume of your content, so you can catch dialogue effortlessly - even in loud settings.
- CONNECT WITH CONVENIENCE: Connect your gadgets without any adapters. With USB-C, HDMI and USB-A ports, you can charge your device, transmit data, and make the most out of your multi-screen setup - all at once.
2. INNOCN 40C1R Ultrawide Monitor 40" WQHD 3440 x 1440p 144Hz FreeSync Premium HDR400 21:9 Computer
- 21:9 Ultrawide Computer Gaming Monitor - 40" Premium ADS panel delivers high resolution 1440p 144hz monitor for gaming, 21:9 ratio bring more wide visual than normal 16:9, +18% viewable area than 34 inch gaming monitor, capture game details more clearly for quick response. 144Hz(DP), 100Hz(HDMI). Tilt / Swivel / Height Adjustable meet different viewing visions
- AMD FreeSync Premium & HDR 400 & & 500Nits Brightness INNOCN 40C1R computer monitor adopt high dynamic range (HDR) technology with professional color gamut (95% DCI-P3) delivers high contrast 1200:1 and color performance that meets the Display HDR 400 and AMD FreeSync, bring smooth images and video viewing experience
- USB Type C, DP and HDMI Ports40C1R delivers powerful USB C connectivity and have richful interfaces: 1 x DP, 1 x USB C, 2 x HDMI, 1 x 3.5MM Audio Jack, you can directly connect your USB C devices such as laptop, Mac, Phones, Tablets, Gaming Console( like Switch, PS5/4/3, XBOX Series etc) . It's much more convenient. Coming with US Power Adapter
- E <2 Color Calibration & TUV Authentication & Blue Light ReductionEach INNOCN monitor coming with color calibration report, the E <2, deeply restore the true nature colors. Low blue light technoilogy ensure the comfot when long time watching or playing, INNOCN monitors are TV Rheinland certified.
- Split Screen for productivity Equipped PBP/PIP technology which can enhance the productivity for multi-tasking such as data analysis, photo / video editing etc, you will not go wrong with any details, produce more fun and innovative things with INNOCN monitor.
3. Samsung 37" ViewFinity S7 (S70D) 4K UHD HDR10 High Resolution Monitor, DP Port, TUV-Certified, 2025,
- Samsungs 37 ViewFinity S7 4K UHD Monitor with High Resolution (3840x2160) provides visual excellence with higher pixel density.
- The monitor provides an ergonomic, expanded workspace with 5 additional inches, compared to a 32 display, to boost productivity.
- HDR10 delivers more contrast with 1.07 billion colors and true-to-life representation, resulting in darker darks and brighter brights.
- Multiple ports such as HDMI and DP simplify setup and enhance productivity to ensure a seamless workflow.
- The Easy Setup Stand enables instant setup of the workspace with no tools or screws.
- TV-certified intelligent eye care reduces screen flickering and protects against excessive blue light with eye saver mode.
- Responsibly designed, the monitor contains over 14% recycled plastic without chemical sprays, and the packaging is assembled with glue instead of staples.
4. SAMSUNG 40” Odyssey G7 (G75F) WUHD Resolution, 180Hz, Curved Gaming Monitor, 1ms Response Time
- Samsungs 40 Odyssey G7 G75 WUHD 180Hz Curved Gaming Monitor provides breathtaking realism for epic gameplay.
- 40 1000R curved display with a 21:9 screen and brilliant Ultrawide 4K resolution wraps around the field of vision for next-level gaming.
- VESA DisplayHDR 600 delivers more contrast, with deeper blacks and brighter whites for greater clarity even in dark scenes.
- 180Hz refresh rate and near-instant 1ms response time (GtG) minimizes lag for ultra-smooth gameplay.
5. SAMSUNG 43" Odyssey Neo G7 Series 4K UHD Smart Gaming Monitor, 144Hz, 1ms, VESA Display HDR600,
- QUANTUM MATRIX TECHNOLOGY: Quantum Matrix Technology w/ Quantum Mini LEDs create controlled brightness and impressive contrast for games to come to life; Plus, advanced 12-bit back light unit allows detailed HDR control for unmatched picture quality*.Power Supply Type : AC100-240V 50/60Hz. Power Cable Length : 1.5 m
- VESA DISPLAY HDR600: Experience a new level of multi-entertainment with life-like visuals; With 1,000,000:1 contrast ratio and VESA Display HDR600, both videos and games deliver abundant, deeper blacks and greater color detail*Sync Premium Pro
- SMART TV EXPERIENCE: Enjoy your favorite shows and movies through the Smart TV apps; Take a break from marathon gaming sessions and catch up on must-see streaming content with just a simple Wi-Fi connection**
- SAMSUNG GAMING HUB: The best of gaming all in one place; Samsung Gaming Hub allows instant access to top cloud gaming services and your favorite consoles; Smooth visuals and responsive gameplay are powered by advanced game streaming technology***
- 4K GAMING REFRESH RATES: 144Hz refresh rate eliminates lag for gameplay with ultra-smooth action; Identify enemies with elite precision with a 1ms(MPRT) response time , precise mouse movements, and blur-free frames with minimized ghosting*
- AMD FREESYNC PREMIUM PRO: Effortlessly smooth gameplay; AMD FreeSync Premium Pro features adaptive sync technology which reduces screen tearing, stutter, and input latency; Low frame rate compensation ensures every scene flows seamlessly
- MATTE DISPLAY: Focus only on what matters; The matte display absorbs, but does not reflect, artificial and natural light, minimizing glare and keeping you immersed during the toughest battles and hardest levels*
- FLEX MOVE SCREEN: Optimize your gaming setup for boosted performance with Flex Move Screen by adjusting the on-screen size from 43 to 20 inches so you can maintain a winning position****
- ULTRAWIDE GAME VIEW: Extend the screen and uncover unseen areas of game worlds with the Ultrawide Game View feature; Expand the aspect ratio easily from 16:9 to 21:9 to gain a competitive edge****
- GAME BAR: Easily view the status of the most important settings such as FPS or HDR; Modify response time or screen ratio, as well as the game picture mode, without having to leave your game screen to keep you focused on your goal*
6. SAMSUNG 43-Inch M7 (M70D) Series 4K UHD Smart Monitor, Speakers, HDR10, USB-C, Multiple Ports,
- INSTANT ACCESS TO OTT CONTENT: Stream OTT content directly from monitor or tune into Samsung TV Plus to get live TV channels and on-demand content at zero cost
- 1 MOUSE & KEYBOARD ACROSS DEVICES: Maximize multitasking by controlling multiple devices with one mouse and keyboard; Seamlessly drag & drop content across the Smart Monitor, a Galaxy Tab & Galaxy mobile device, streamlining your workflow
- ENJOY CONTENTS IN VIVID DETAIL: Crystal clear video; 4K UHD resolution brings your content to life with vivid clarity; Lose yourself while exploring nuanced settings with incredible detail
- CONNECT w/ CONVENIENCE: With USB-C, HDMI & USB-A ports, you can connect to the Smart Monitor without adapters; Charge devices, transmit data & make the most out of your multiscreen setup - or do all at once - thanks to the 4 available ports
- WHERE GAMING COMES TOGETHER: Samsung Gaming Hub is the ultimate home for gaming; Instantly play the biggest games from top streaming partners, with no PC or console needed; Discover new games or replay old favorites all in one place
- SOLAR POWERED CONTROL: The SolarCell Remote, featuring a solar charging panel on its back, eliminates the need for disposable batteries, making it an eco-friendly choice
- DESIGNED FOR LOW VISION USERS: Designed with accessibility in mind, it comes equipped with tools that help low vision users see and use the screen more easily, including screen magnification, color switching and audio descriptions for TV settings
- EASY SWITCHING BETWEEN MONITOR & PC: Enjoy better control when switching between your PC and Smart Monitor's home screen controls; With the Easy Setting Box installed on your PC, move between these configurations with just one mouse and keyboard
- EASIER ACCESS TO YOUR WORK TOOLS: Access & control your PC remotely or work directly on the monitor; Embedded productivity apps like Microsoft 365 let you bypass the PC for a simpler, streamlined working environment
- SIMPLE CONTROL FOR YOUR SMART HOME: See all your smart home devices in a new 3D Map View, for an easier way to manage devices in different rooms; See energy, usage and costs by device & save money by turning on energy-saving modes
7. INNOCN 40 Inch 5K 5120 x 2160p Ultrawide Monitor for Laptop, 21:9, 100Hz, IPS, HDMI, DP, FreeSync,
- Super Clarity 5K Ultrawide MonitorThis new-gen rare 40 inch ultrawide 5K 5120 x 2160p 100Hz computer monitor adopt IPS panel and deliver 135% sRGB, 106% DCI-P3 color gamut, 350 nits brightness, 1200:1 contrast ratio and HDR ready technology, bring an absolutely new visual experience. Accurate color out of box, factory pre-calibrated delta-E < 2
- Fully Accessible Connectivity - HDMI + DisplayPort + USB ConnectivityThis INNOCN 40 inch 5K ultrawide monitor 40C1U adopt full high standard 2 x HDMI 2.1 and 1 x DisplayPort 1.4 + 1 x 65W USB Type C 3.1 power delivery + 2 x USB A 3.0, 1 x USB-B 3.0 interfaces which support Desktop PC, Gaming Laptops, Switch, XBOX, PS gaming console etc. Meet various connection needs.
- A super productivity monitor40C1U will provide high-definition color quality for designers, creative workers, video workers, and researchers etc. The 21:9 aspect ratio will further improve workflow efficiency, 100hz reafresh rate ensure the smooth, integrated 45W speaker, enjoying fun is easier
- Stylish Ultra Narrow 3-Sided Bezels, Easy to install40C1U 5k widescreen computer gaming monitor adopt frameless and ultra slim design, hassel-free to install. machine black body, metal stand, Height / Swivel / Tilt adjustable, VESA wall mountable, size: 75*75 mm, weight without stand: 19.30lbs
- Blue Light Reduction & Flicker-FreeEye-Care PC gaming monitor reduce the blue light to protect you from eye fatigue, irritation and strains. This enables you to work on your documents, watch movies, or play games more comfortably for extended periods. INNOCN provide 1-year product quality service and 7*24 hours quick solution for any product/order issue. Buy at ease!
8. CRUA 40'' 5K Ultrawide Curved Gaming Monitor, 21:9, 5120 x 2160, 120Hz, IPS Computer Monitor with
- [5K Ultrawide Monitor] Experience every detail on this 40'' curved computer monitor with ultra-sharp 5K UWUHD resolution, offering double the pixels of a standard 2K ultrawide display. The 21:9 UltraWide aspect ratio and 2500R curvature wrap around your field of vision, eliminating distractions and pulling you into the heart of your games and movies for a truly immersive experience that standard monitors can't match.
- [Vivid Colors from Every Angle] The IPS panel delivers wide 178 viewing angles and consistent, true-to-life colors across the screen. With 120% sRGB, 350 cd/m brightness, and a 2000:1 contrast ratio, you get deep blacks, vibrant highlights, and rich colorsperfect for gaming, video editing, graphic design, streaming, or immersive movie sessions, whether youre sitting center, on the side, or standing.
- [Fluid, Tear-Free Gaming] Dominate the competition with buttery-smooth, tear-free gameplay. This Ultrawide gaming monitor features a 120Hz refresh rate and AMD FreeSync technology, synchronizing the monitor's refresh rate with your graphics card to eliminate tearing and stuttering, giving you a crucial competitive advantage in fast-paced FPS, racing, and action games.
- [Comfortable, Ergonomic Viewing] Customize your setup for all-day comfort. The desktop monitor's stand offers 130mm height adjustment, -5 to 20 tilt, and 30 swivel for an ideal viewing angle. Compatible with a 100mm x 100mm wall mount, it creates a neat, space-saving desktop layout.
- [Seamless Connectivity] Equipped with two HDMI 2.0, two DP1.4 ports, and a 3.5mm audio jack, this PC monitor supports seamless connections to desktop computers, gaming laptops, and consoles meeting all your connectivity needs. The built-in speakers deliver clear, immersive sound, allowing you to enjoy gaming, streaming, or movies without the need for additional hardware.
- [Eye Care] Eye-friendly PC gaming monitors are equipped with Low Blue Light and Flicker-Free features to reduce blue light and protect your eyes from fatigue and irritation, allowing you to more comfortably process documents, watch movies, or play games for longer periods of time. CRUA provide high-quality computer monitors and premium services. If you have any questions, you are welcome to contact us at any time, we are here to serve you and solve all your problems
9. LG 40U990A-W 40-inch Ultrafine 5K2K WUHD (5120 x 2160) Nano IPS Curved Monitor, Thunderbolt 5,
- The Worlds First 5K2K Monitor with Thunderbolt 5 - The LG UltraFine 40U990A is the worlds first 5K2K widescreen monitor with Thunderbolt 5, delivering ultra-fast data transfer, 96W charging, and dual display support. The monitor's 40 curved (2500R), Nano IPS Black panel offers brilliant color, and spectacular contrast - a new go-to display for creators, multitaskers and gamers.
- Sharper 5K2K Details on a Wide Creative Canvas - The 5K2K (5120x2160) Nano IPS Black display offers ultra-wide resolution, vivid color, and razor-sharp detailproviding a spacious, precise workspace ideal for video editing, graphic design, photography, and color-critical creative tasks.
- Built for Creators. Ready for Professionals. - Built for creative flow, the UltraFine 5K2K screen makes it easy to work across complex timelines, layered interfaces, and multiple windowsideal for editing, producing, and programming.
- VESA DisplayHDR 600 Meets Nano IPS Black Brilliance - VESA DisplayHDR 600 and Nano IPS Black combine to deliver deep blacks, vivid highlights, and cinematic colorideal for creators who need precision in light, shadow, and texture.
- Up to 99% DCI-P3 Color Brilliance for Visual Pros - With up to 99% DCI-P3 color gamut, this UltraFine display delivers bold, vibrant color across a wide spectrumideal for impactful video, photo, and design work in print, digital, and broadcast formats.
- 2000:1 Contrast for Stunning Visual Depth - Nano IPS Black enhances contrast to 2000:1, revealing richer shadows, deeper blacks, and sharper detailperfect for bold color, improved depth, and edge-to-edge consistency.
- 5K2K Production Powered by Thunderbolt 5 - Thunderbolt 5 supports commercial-level video, film, and game production with faster data transfer, 96W charging, and seamless 5K2K outputall through a single, stable, high-speed cable.
- Daisy Chain Enhances Multitasking Efficiency - Daisy chain two monitors and a laptop via Thunderbolt 5 and DisplayPortsimplifying your workspace while expanding screen space for multitasking, content creation, or focused productivity.
- Versatile Ports for Limitless Possibilities - Thunderbolt 5, HDMI 2.1 (x2), DisplayPort 2.1 (UHBR 13.5) and USB-C let you connect laptops, cameras, and drivesno adapters needed. Enjoy stable, streamlined performance across creative, gaming, or professional workflows.
- Dual Speakers. Deep, Immersive Sound. - Let the action surround you with dual speakers and Rich Bassdelivering deeper, fuller sound that enhances cinematic scenes.
10. Deco Gear 40” 5K UltraWide Monitor (5120×2160), IPS, HDR10, 21:9, 100% sRGB / 96% DCI-P3, USB-C,
- IMMERSIVE VISUALS - This 40 display boasts a massive screen size that provides ample space for multitasking, creative work, and immersive gaming. With a resolution of 5120 x 2160, this monitor offers incredible clarity and detail, allowing you to see even the smallest nuances in your work or games. HDR10 support delivers enhanced contrast and color vibrancy, bringing your content to life with stunning realism.
- EXCEPTIONAL COLOR ACCURACY - The VIEW401 features an IPS panel with wide color gamut coverage, ensuring accurate and vibrant colors. With 95% NTSC, 96% DCI-P3, and 100% sRGB coverage, this monitor is ideal for photographers, videographers, and graphic designers who demand the highest level of color accuracy.
- ENHANCED PRODUCTIVITY - The 21:9 aspect ratio of the VIEW401 provides a wider field of view, allowing you to see more of your work at once. This can be a significant advantage for multitasking, as you can easily view multiple documents, spreadsheets, or applications side-by-side. The monitor also supports PIP (Picture-in-Picture) and PBP (Picture-by-Picture) functionality, allowing you to view multiple sources simultaneously.
- SMOOTH AND RESPONSIVE PERFORMANCE - The VIEW401 also features a fast 6ms response time with OD (Overdrive), ensuring smooth and blur-free motion. This makes it ideal for gaming and other fast-paced applications. The monitor also supports Adaptive Sync technology, which helps to eliminate screen tearing and stuttering.
- COMPREHENSIVE CONNECTIVITY - The VIEW401 is equipped with a variety of connectivity options, including DisplayPort 1.4, HDMI 2.0, USB-C, and USB-A. This allows you to connect a wide range of devices, such as computers, laptops, gaming consoles, and media players.
Peter
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