Samsung LS34DG856SNXZA 34″ 175Hz Monitor

34 inch · 3440 x 1440 · 175 Hz · OLED

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Screen size 34 inch
Resolution 3440 x 1440
Refresh rate 175 Hz
Panel OLED
Response time 0.03 ms

Samsung LS34DG856SNXZA 34″ 175Hz Monitor is a 34-inch monitor with 3440 x 1440 resolution, a 175 Hz refresh rate and OLED panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-10-10

Specifications

Key specs

Screen size: 34 inch
Resolution: 3440 x 1440
Refresh rate: 175 Hz
Panel: OLED
Response time: 0.03 ms
Released: 2025-10-10
Part number: LS34DG856SNXZA
EAN / UPC: 0887276875521

Display

Display diagonal: 86.4 cm (34")
Display resolution: 3440 x 1440 pixels
HD type: UltraWide Quad HD
Native aspect ratio: 21:9
Display technology: OLED
Panel type: OLED
Display brightness (typical): 250 cd/m²
Display brightness (min): 200 cd/m²
Response time: 0.03 ms
Response time measurement type: GTG (Gray to Gray)
Anti-glare screen: Yes
Screen shape: Curved
Screen curvature rating: 1800R
Supported graphics resolutions: 3440 x 1440
Supported video modes: 1440p
Contrast ratio (dynamic): 1000000:1
Maximum refresh rate: 175 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1 billion colours
Pixel density: 110 ppi
Viewable size, horizontal: 80 cm
Viewable size, vertical: 33.7 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range 10 (HDR10), High Dynamic Range 10+ Gaming (HDR10 Plus Gaming)
Colour gamut standard: DCI-P3
DCI-P3 coverage: 99%
Quantum dot color technology: Yes

Performance

NVIDIA G-SYNC: Yes
NVIDIA G-SYNC type: G-SYNC Compatible
AMD FreeSync: Yes
AMD FreeSync type: FreeSync Premium Pro
Flicker-free technology: Yes
Game features: Game Bar 2.0, Gaming Hub
Smart features: Mobile to screen, Sound mirroring, Wireless on
Operating system installed: Tizen
Windows operating systems supported: Windows 11

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Multimedia

RMS rated power: 10 W
Built-in speaker(s): Yes
Adaptive Sound Pro: Yes

Design

Market positioning: Gaming
Product colour: Silver
Detachable stand: Yes
Feet colour: Silver

Ports & interfaces

Built-in USB hub: Yes
USB hub version: 3.2 Gen 1 (3.1 Gen 1)
USB upstream port type: USB Type-B
Number of upstream ports: 1
Number of downstream ports: 2
Number of USB Type-B upstream ports quantity: 1
USB Type-A downstream ports quantity: 2
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort version: 1.4
DC-in jack: Yes

Network

Wi-Fi: Yes
Wi-Fi standards: Wi-Fi 5 (802.11ac)
Bluetooth: Yes
Bluetooth version: 5.2

Ergonomics

Panel mounting interface: 100 x 100 mm
Wall mountable: Yes
Height adjustment: Yes
Adjustable height (max): 12 cm
Pivot: Yes
Pivot angle: -3 - 3°
Tilt adjustment: Yes
Tilt angle range: -2 - 20°
Plug and Play: Yes

Power

Energy efficiency class (SDR): Not available
Energy efficiency class (HDR): Not available
Power consumption (max): 180 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
AC adapter output voltage: 24 V
Power supply type: External

Operational conditions

Operating temperature (T-T): 10 - 40 °C
Operating relative humidity (H-H): 10 - 80%

Weight & dimensions

Width (with stand): 813 mm
Depth (with stand): 193 mm
Height (with stand): 523 mm
Weight (with stand): 7.48 kg
Width (without stand): 813 mm
Depth (without stand): 127 mm
Height (without stand): 363 mm
Weight (without stand): 5.49 kg

Other features

Brand specific technologies: Smart Calibration
TV Plus: Yes
SmartThings app support: Yes
Works with Samsung Bixby: Yes
Tap view: Yes
Virtual assistant: Amazon Alexa
Far-field voice interaction: Yes
Universal guide: Yes
Multi View: Yes
Consumer Electronics Control (CEC): Yes
Smart TV: Yes
Samsung Eye Saver Mode: Yes
Image size: Yes
Wireless display: Yes
Factory tunning: Yes
Adaptive picture: Yes
Off Timer Plus: Yes
Workspace: Yes
Factory calibration report: Yes
Virtual AIM point: Yes
Auto source switch+: Yes
Supplied AC adapter type: AC

Check the manufacturer's page before buying.

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About this product

Epic screen. Epic play. Confidence that lasts, guaranteed. 3 Year Warranty Samsung OLED monitors aren’t just engineered for perfection, they're protected for the long haul. Our 3-year warranty* includes burn-in coverage meaning you can game, stream, and create without compromise. Your passion deserves performance you can trust. Brilliance Beyond Boundaries QD-OLED Quality Step into a world of hyper-real visuals. Samsung QD-OLED displays deliver unmatched picture quality through quantum dot technology, producing the highest possible level of color accuracy and brightness. Reveal every hidden enemy, every breathtaking world, and every heart-pounding moment with astonishing clarity. Smarter Protection, Longer Play OLED Safeguard+ OLED brilliance meets Samsung innovation. Our advanced OLED Safeguard+ technology actively works to help prevent burn-in with our Dynamic Cooling and thermal modulation systems* to keep your screen cool. Plus, with Logo and Taskbar Detection** to automatically dim static images, even long-haul gaming marathons won't leave a mark. Crafted for Every Kind of Gamer Monitor Variety Choose the perfect vantage point.

LS34DG856SNXZA vs similar monitors

	Samsung LS34DG856SNXZA 34″ 175Hz Monitor	AOC AGON PRO AG346UCDAM 34″ 175Hz Monitor	Philips 34M2C8600P 34″ 175Hz Monitor	MSI PRO MAX 341QPXW14G
Screen size	34 inch	34 inch	34 inch	34 inch
Resolution	3440 x 1440	3440 x 1440	3440 x 1440	3440 x 1440
Refresh rate	175 Hz	175 Hz	175 Hz	144 Hz
Panel	OLED	OLED	OLED	OLED
Response time	0.03 ms	0.03 ms	0.03 ms	0.03 ms
Released	2025	2026	2026	2026