AOC  |  SKU: 509260

AOC U34G3XM 34" WQHD(2560 x 1440), 144Hz Refresh Rate, 1ms Response Time, VA Flat Gaming Monitor - Black

114.0 KD

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AOC U34G3XM — 34" WQHD 21:9 Ultrawide 144Hz VA Gaming Monitor is AOC's flagship 34-inch ultrawide gaming monitor combining a VA panel with 3440×1440 WQHD resolution, a 21:9 aspect ratio, 144Hz refresh rate, 1ms MPRT response time, HDR10 support, and Adaptive-Sync technology — delivering an immersive, cinematic gaming experience that puts competitive performance, professional productivity, and multimedia entertainment in a single expansive display. The VA panel's industry-leading 4000:1 native contrast ratio provides deep, true blacks and vibrant, saturated colours with 95% DCI-P3 and 121% sRGB coverage, while the 3-sided frameless design with ultra-narrow bezels creates a near-seamless visual canvas whether used as a single ultrawide display or as part of a multi-monitor productivity setup.

The U34G3XM occupies the most versatile segment of the gaming monitor market — the 34-inch 21:9 WQHD ultrawide. At this size and resolution, the monitor simultaneously serves the competitive gamer who benefits from ultrawide field-of-view advantages in supported titles, the content creator and professional who gains a 77% wider workspace compared to a standard 16:9 QHD display, and the cinephile who experiences 21:9 movies at their correct native aspect ratio without letterbox bars. The 144Hz refresh rate and 1ms MPRT response time deliver legitimate gaming performance credentials at the ultrawide format — VA's native 4000:1 contrast ratio produces black depth that IPS displays at this price tier cannot match, making dark gaming environments, cinematic cut-scenes, and HDR content dramatically more immersive. The comprehensive connectivity suite — dual HDMI 2.0, DisplayPort 1.4, and four USB 3.2 Gen1 downstream ports — alongside the ergonomic stand with 130mm height adjustment, ±23° swivel, and -5° to 23° tilt provides the flexibility and usability expected of a premium ultrawide display.

Technical Specifications

Panel and Display
Model AOC U34G3XM
Panel Size 34 inches
Panel Type VA (Vertical Alignment)
Curve Flat
Resolution 3440 × 1440 (WQHD / Ultrawide 2K)
Aspect Ratio 21:9 (Ultrawide)
Pixel Pitch 0.23175 mm (H) × 0.23175 mm (V)
Effective Viewing Area 797.22 mm (H) × 333.72 mm (V)
Display Colors 16.7 Million
Bezel Design 3-Sided Frameless (Ultra-Narrow Bezel)
Cabinet Color Black and Red
Performance
Refresh Rate (DisplayPort 1.4) 144Hz @ 3440×1440
Refresh Rate (HDMI 2.0) 100Hz @ 3440×1440
Response Time 1ms MPRT
Sync Technology Adaptive-Sync (FreeSync Compatible)
HDR Support HDR10
Visual Quality
Brightness (Typical) 300 cd/m²
Contrast Ratio (Typical) 4,000:1
Contrast Ratio (DCR) 80,000,000:1 (Dynamic)
Viewing Angle 178° (H) / 178° (V) (CR > 10)
Color Gamut (DCI-P3) 95% (CIE1976)
Color Gamut (sRGB) 121% (CIE1931)
Color Gamut (NTSC) 104% (CIE1976)
Color Accuracy Delta E < 2
Connectivity
HDMI 2× HDMI 2.0
DisplayPort 1× DisplayPort 1.4
HDCP Version HDMI: 2.2 / DisplayPort: 2.2
USB Hub 4× USB 3.2 Gen1 Downstream Ports
Audio Output 1× 3.5mm Earphone Jack (Line In / Earphone)
Built-in Speakers No
Ergonomics and Physical
Height Adjustment 130 mm
Tilt -5° ~ +23°
Swivel -23° ~ +23°
Pivot Not Supported
VESA Mount 100mm × 100mm
Dimensions (With Stand) 817.4 (W) × 399.4~529.4 (H) × 339.6 (D) mm
Dimensions (Without Stand) 817.4 (W) × 370.7 (H) × 55.7 (D) mm
Weight (With Stand) 8.14 kg
Weight (Without Stand) 6.48 kg
Power
Power Supply Internal — 100–240V ~ 1.5A, 50/60Hz
Power Consumption (Typical) 45W
Certifications and Compliance
Regulatory Approvals CE / CB / FCC / BSMI
PiP / PbP Yes — Picture-in-Picture / Picture-by-Picture

Key Features

  • 34" WQHD 3440×1440 Ultrawide 21:9 — The Immersion Format That Changes Everything: The U34G3XM's 34-inch 21:9 ultrawide panel with 3440×1440 resolution provides 77% more horizontal screen real estate than a standard 16:9 QHD (2560×1440) display. This additional horizontal width is not just a size increase — it is a fundamental change in how games, applications, and content are experienced. In supported games, the ultrawide field of view extends peripheral vision by approximately 30° on each side compared to a 16:9 display — enemies, objects, and environmental details that would be off-screen on a standard monitor are visible within the gaming environment, providing both immersion and situational awareness advantages. In productivity, the ultrawide workspace provides enough horizontal space to run two full application windows side-by-side at comfortable working widths — a web browser and a document editor, a code editor and a terminal, a spreadsheet and a reference PDF — without window overlap or cramped layouts. In content consumption, the 21:9 aspect ratio is the native format of most cinema productions — films shot in 2.35:1 or 2.39:1 widescreen play without letterbox bars on the U34G3XM's 21:9 panel, displaying the full intended frame as the director composed it
  • VA Panel — 4,000:1 Native Contrast Ratio for True Deep Blacks: The VA (Vertical Alignment) panel technology in the U34G3XM provides a native contrast ratio of 4,000:1 — four times the 1,000:1 native contrast ratio of IPS panels in the same class. VA panels achieve this contrast advantage through their vertical liquid crystal alignment structure: VA crystals align vertically in their off state, blocking backlight transmission far more completely than IPS crystals, which are horizontally aligned and allow more backlight leakage in their off state. The practical result of 4,000:1 vs 1,000:1 contrast is directly visible in dark gaming content — night game environments, cave interiors, space scenes, dark room game areas — all of which render with significantly deeper, more realistic black depth on VA panels than on IPS at equivalent price points. HDR10 content on a 4,000:1 VA panel produces dramatically more impactful visual contrast between bright highlights and dark shadows than SDR or HDR on IPS panels with lower native contrast ratios
  • 144Hz Refresh Rate at WQHD Ultrawide — Smooth Performance at Every Resolution: The U34G3XM delivers a 144Hz refresh rate at its full native 3440×1440 resolution via DisplayPort 1.4 — 144 complete ultrawide frames per second. In the ultrawide gaming monitor category, 144Hz is the performance standard that separates gaming-grade displays from general use ultrawides — 144Hz provides visually smooth motion rendering, responsive cursor and camera tracking, and the minimum frame delivery frequency that eliminates perceived motion judder in fast-paced game genres. For games played via HDMI 2.0, the U34G3XM supports 3440×1440 at 100Hz — a bandwidth-appropriate specification for HDMI 2.0's 18Gbps ceiling at ultrawide resolution that still provides a substantial improvement over 60Hz standard display performance
  • 1ms MPRT Response Time — Clear Fast-Motion at 144Hz: The 1ms MPRT (Moving Picture Response Time) specification measures how long each pixel remains visible during fast-motion sequences — a measurement methodology that captures the motion clarity experience more accurately than GtG (grey-to-grey) measurement alone for backlight-strobing-enhanced monitors. At 1ms MPRT at 144Hz, fast-moving game elements — projectiles, character animations, rapidly panning camera movements — are rendered with minimal motion blur and ghosting artefacts. VA panels achieve MPRT specification through backlight control techniques that synchronise the display's illumination cycle with the panel's pixel response, producing fast-motion clarity competitive with IPS panels of equivalent refresh rates. For ultrawide gaming where wide horizontal field-of-view creates more frequent and longer horizontal camera pan movements, fast MPRT response ensures those wider panning movements remain visually clean
  • Adaptive-Sync Technology — Tear-Free Ultrawide Gaming at Any Framerate: Adaptive-Sync technology dynamically matches the U34G3XM's refresh rate to the GPU's exact frame output in real time — when the GPU renders 87 frames per second, the monitor refreshes at 87Hz; when the GPU pushes 130fps, the monitor updates at 130Hz. This dynamic synchronisation eliminates the screen tearing that occurs when the monitor's fixed refresh cycle and the GPU's variable frame output are desynchronised — tearing that is particularly visually disruptive on an ultrawide display where the horizontal tearing line spans a much wider visual field than on a standard 16:9 monitor. Adaptive-Sync operates without V-Sync's input lag penalty, providing tear-free rendering with the same low-latency responsiveness as with V-Sync disabled. The U34G3XM's Adaptive-Sync compatibility extends across AMD Radeon and NVIDIA GeForce GPU families
  • HDR10 — Industry-Standard High Dynamic Range for Richer Colour and Contrast: HDR10 is the primary HDR standard adopted across gaming, streaming, and Blu-ray content — the baseline HDR format supported by virtually every HDR-enabled game, console, streaming service, and content platform. On the U34G3XM's VA panel, HDR10 content benefits from the panel's 4,000:1 native contrast ratio to produce HDR imagery with significantly more convincing bright-to-dark range than SDR displays with lower contrast ratios. The combination of HDR10's extended colour and brightness signal range with the U34G3XM's 95% DCI-P3 colour gamut and 300 cd/m² brightness enables HDR game content, cinematic cut-scenes, and HDR streaming to display with the expanded visual depth HDR was designed to provide — more saturated highlights, deeper shadows, and a richer overall colour palette than SDR rendering
  • 95% DCI-P3 / 121% sRGB Colour Gamut — Wide Colour for Gaming and Creation: The U34G3XM's 95% DCI-P3 and 121% sRGB colour gamut coverage positions it as a monitor with professional colour capability well above the standard gaming monitor range. Standard IPS gaming monitors in the comparable price tier typically cover 95–99% sRGB — the U34G3XM's 121% sRGB coverage exceeds this by approximately 25%, and the 95% DCI-P3 coverage matches the professional cinema colour standard used in content production. Combined with Delta E < 2 factory colour accuracy calibration, the U34G3XM's colour output is appropriate for photo editing, video colour grading, and graphic design work — content creators who need a display that accurately represents the colour their work will appear across standardised display profiles benefit from the U34G3XM's wide gamut and factory-verified accuracy
  • 3-Sided Frameless Design — Near-Seamless Multi-Monitor and Clean Aesthetics: AOC's 3-sided frameless design minimises the bezel on the top and both side edges of the U34G3XM's panel — creating an ultra-narrow border that maximises the visual display area and minimises the interruption between screen content and the surrounding environment. In a multi-monitor configuration where two U34G3XM monitors are placed side-by-side, the near-seamless transition between the two screens' inner bezels creates a cohesive extended desktop that approaches the appearance of a single continuous ultrawide display across both panels. For single-monitor setups, the frameless aesthetic provides a premium, clean visual presentation that complements high-end desk setups and professional workstation environments
  • 178°/178° Wide Viewing Angles — Consistent Colour From Any Position: VA panels provide 178° horizontal and vertical viewing angles — maintaining consistent colour accuracy, contrast, and brightness across the full range of off-axis viewing positions. This wide viewing angle performance is particularly relevant for a 34-inch ultrawide display where the left and right edges of the panel are further from the viewer's straight-ahead line of sight than on a standard 16:9 monitor of equivalent height — at 34 inches wide, the outer corners of the ultrawide panel subtend a significantly wider angle relative to the viewer's eye position. The 178° viewing angle specification ensures that the outer corners of the U34G3XM's ultrawide panel retain consistent colour fidelity with the centre of the screen, maintaining image quality uniformity across the entire 3440-pixel horizontal span
  • Picture-in-Picture and Picture-by-Picture — Multitask Across Multiple Sources: The U34G3XM's PiP (Picture-in-Picture) and PbP (Picture-by-Picture) modes leverage the ultrawide 21:9 panel's generous horizontal space to display content from two separate input sources simultaneously. PbP mode divides the screen into two independent display zones — each showing the full output of a different connected device side-by-side, effectively functioning as two monitors in one panel for users who need to monitor two devices simultaneously. PiP mode displays a secondary source as an inset overlay within the primary display — useful for monitoring a secondary device, running a second operating system environment, or keeping a video feed visible during primary work. The U34G3XM's 21:9 ultrawide format is the optimal panel shape for PbP operation — the additional horizontal width provides each PbP zone with enough space for a usable working window width
  • 4× USB 3.2 Gen1 Hub — Connect All Peripherals Through the Monitor: The four downstream USB 3.2 Gen1 ports built into the U34G3XM function as a convenient desktop USB hub — keyboards, mice, gaming headsets, USB drives, and other peripherals connect directly to the monitor rather than requiring cable runs back to the PC case. USB 3.2 Gen1 provides 5Gbps transfer speed, sufficient for fast USB storage devices, gaming peripherals, and USB-powered accessories. For users who position their PC case under the desk or in a less accessible location, connecting peripherals to the monitor's USB hub eliminates frequent cable access to the PC — all peripheral connections are made at desk level through the monitor
  • DisplayPort 1.4 — Maximum Bandwidth for 144Hz WQHD: DisplayPort 1.4 provides the bandwidth required to drive the U34G3XM's 3440×1440 resolution at the full 144Hz refresh rate — a total pixel bandwidth that exceeds HDMI 2.0's 18Gbps ceiling and requires DisplayPort 1.4's 32.4Gbps HBR3 capacity. For PC gamers who want the maximum 144Hz refresh rate at native WQHD resolution, DisplayPort 1.4 is the required connection. The dual HDMI 2.0 ports serve gaming consoles, secondary PCs, streaming devices, and other HDMI source devices — providing flexible multi-source connectivity alongside the primary DisplayPort PC connection without requiring cable swaps when switching between sources
  • Ergonomic Stand — 130mm Height, ±23° Swivel, -5° to 23° Tilt: The U34G3XM's fully adjustable stand provides 130mm height range, ±23° swivel, and -5° to 23° tilt — the ergonomic adjustments required to position the ultrawide panel at the correct viewing angle and height for any desk and chair configuration. Height adjustment is particularly important for a 34-inch ultrawide display, where the panel's physical size means a few centimetres of height error produces a noticeably incorrect vertical viewing angle across the panel's full width. The 100×100mm VESA mount compatibility provides full monitor arm and wall mount compatibility for users who prefer to maximise desk surface clearance or require a more flexible positioning solution

User Benefits

  • Deeper Blacks Than IPS at This Price — VA's 4,000:1 Contrast Advantage: Players who are choosing between the U34G3XM and a comparable IPS ultrawide at the same price point receive a definitive visual quality advantage in dark content rendering by choosing VA. The 4,000:1 contrast ratio produces dark game environments, cinematic cut-scenes, and HDR content with black depth that standard IPS panels' 1,000:1 contrast cannot replicate — dark areas that appear grey-black on IPS appear genuinely black on VA. For games with significant dark environment content — dungeon crawlers, space games, horror titles, night maps in battle royale — the U34G3XM's VA contrast provides a more immersive and visually accurate rendering of the intended dark atmosphere
  • One Screen for Work, Gaming, and Cinema — The Ultrawide Advantage: The U34G3XM replaces two standard monitors for productivity users while simultaneously providing a cinema-format gaming and entertainment experience. A single 34-inch 21:9 ultrawide provides more practical horizontal workspace than two 24-inch 16:9 monitors placed side-by-side while eliminating the bezel gap between dual monitors. For gaming, supported ultrawide titles provide the expanded field of view that increases environmental immersion and situational awareness. For movies and series, 21:9 content plays at native aspect ratio without black bars. Three completely different use cases served by a single display with zero compromise in any domain
  • Wide Colour Gamut for Creators Who Also Game — 95% DCI-P3 Precision: The U34G3XM's 95% DCI-P3 and Delta E < 2 colour accuracy makes it a legitimate dual-purpose display for users who create content and game on the same monitor. Photo editors who need accurate colour representation, video editors who need to evaluate colour grading decisions, and graphic designers who work with brand colour profiles can use the U34G3XM as a professional-quality reference display — and switch to gaming mode for the same screen. The wide gamut and factory colour calibration eliminate the need for a separate professional monitor alongside a gaming display
  • Console and PC on the Same Screen Simultaneously — Dual HDMI + DP + PbP: The U34G3XM's dual HDMI 2.0 ports and DisplayPort 1.4 allow a gaming PC (via DP), a PlayStation 5 (via HDMI), and an Xbox Series X (via HDMI) to be connected simultaneously — three source devices connected at all times, switched between without cable management. PbP mode can display the PC and a console simultaneously side-by-side on the ultrawide panel — gaming on the console while monitoring PC activity, or playing a game on one side while keeping a walkthrough or stream visible on the other
  • 4× USB Ports at Desk Level — Clean, Accessible Peripheral Management: The four USB 3.2 Gen1 ports on the U34G3XM eliminate cable management complexity for desk setups where the PC case is positioned away from the primary workspace. All daily-use peripherals — gaming headset, USB drive, charging cable, wireless receiver dongle — connect to the monitor's hub at desk level. For ultrawide setups on larger desks where the monitor is the central fixed element of the workspace, the USB hub makes the monitor the peripheral connection point for everything, keeping cables organised at the monitor's base rather than running individually back to the PC
  • Tear-Free Ultrawide — Adaptive-Sync Across the Full 3440px Width: Screen tearing on an ultrawide display is significantly more visually disruptive than on a standard 16:9 monitor — a horizontal tear line that spans the full 3440-pixel width of the U34G3XM creates a much more prominent visual break than the same tear on an 2560-pixel wide display. Adaptive-Sync technology eliminates this tearing across the entire ultrawide panel, ensuring the full horizontal span of the U34G3XM's display is consistently tear-free at all framerates within the Adaptive-Sync range. For ultrawide gaming where the expanded peripheral vision is a key experiential benefit, tear-free rendering preserves the peripheral field of view's visual quality as completely as the central viewing area
  • Multitask Across Two Sources Simultaneously — PiP and PbP on 34" Ultrawide: The combination of the U34G3XM's generous 34-inch 21:9 panel and PiP/PbP capability creates a genuinely useful multitasking platform. PbP divides the ultrawide into two 1720×1440 display zones — each zone is wider than a standard 16:9 1080p monitor — providing two fully functional display surfaces from a single monitor panel. Streaming creators can monitor their stream feed on one PbP zone while working in their game or creative application on the other. Professionals can keep a video conference or reference document visible in PiP while working in their primary application. The ultrawide format's horizontal space makes PbP practically useful in a way that 16:9 monitors cannot replicate
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