MSI MPG 491CQPX QD-OLED49-inch · 5120 × 1440 · 240 Hz · exact MSI global configuration- Manufacturer maximum refresh rate
- 240 HzThis one: 144 Hz
49-inch QD-OLED · UK specification · Samsung part LS49DG912SUXXU
A 49-inch QD-OLED monitor with 5120 × 1440 resolution and a manufacturer-listed 144 Hz maximum. The exact UK model includes a height-adjustable stand and keeps its input, motion and HDR conditions alongside the figures.

Specifications checked 17 Oct 2026Manufacturer specifications, not a hands-on test.
The 32:9 screen has the manufacturer-listed 5120 × 1440 resolution and 144 Hz maximum.
The supplied stand provides sourced height adjustment, and the VESA pattern offers another mounting option when weight and screw requirements are met.
Refresh, response, HDR and colour figures are conditional manufacturer claims; source performance and settings affect results.
Samsung explicitly lists no built-in speakers. Allow extra desk space beyond the stated stand depth for cables.
Generic USB-C/USB Hub No declarations conflict with the separately listed USB-C data ports. Video and charging support remain unverified.
Exact configuration: LS49DG912SUXXU · 49-inch QD-OLED · Samsung UK specification
50 specifications in 10 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”. 1 row repeats a listed fact in the manufacturer’s own wording, kept under “Manufacturer wording”.
Manufacturer nominal screen-size class.
SourceExact selected-model notation: DQHD (5,120 x 1,440).
SourceExact table: OLED. Selected-model Features explicitly identify QD-OLED in Dual QHD.
SourceManufacturer aspect-ratio designation.
SourceManufacturer curvature notation; no eye-comfort outcome is implied.
SourceManufacturer horizontal/vertical viewing-angle claim.
SourceSamsung lists Max 144Hz. Actual rate depends on the input source. No input-by-input timing table or unlisted overclock is inferred.
SourceManufacturer table: 0.03ms(GTG). Samsung identifies GtG under internal testing; content, settings and source performance affect results. No independent latency measurement is inferred.
SourceManufacturer NVIDIA sync designation; Compatible does not establish a hardware G-Sync module. · Manufacturer AMD sync designation; compatible GPU/source required.
SourceManufacturer positively lists FreeSync Premium Pro. Compatible GPU/source and mode required; no simultaneous MPRT support inferred.
SourceThe same facts in the manufacturer’s combined or original wording, each with its source.
Manufacturer maximum, with source/input/cable restrictions. No other mode or per-port maximum is inferred.
SourceManufacturer Brightness (Typical): 250 cd/㎡. Not an independent measurement, real-use guarantee or adapter-rating substitution.
SourceManufacturer Brightness (Min): 200 cd/㎡. Not an independent measurement, real-use guarantee or adapter-rating substitution.
SourceManufacturer static contrast claim, separate from any dynamic HDR figure.
SourceManufacturer maximum colour count; native panel bit depth is not established by this alone.
SourceManufacturer format/certification listing; no measured peak brightness or real-scene HDR result is implied.
SourceManufacturer HDR10+ designation; supported source and content are required.
SourceExact manufacturer DCI coverage and any stated CIE basis; no gamut-volume or accuracy conversion.
SourceExact manufacturer accessory/report declaration, not an independent colour-accuracy measurement.
SourceExact generic rows say USB-C: No and USB Hub: No, yet the same table and visible Features name one data-only USB-C upstream and two USB-C downstream ports (3.2 Gen1). Generic capability scope is unresolved; explicit data-port positives are retained separately. · Exact generic USB-C table declaration.
Manufacturer counts, roles and versions; confirm the source device, cable and display mode. Connector shape alone does not establish video or charging support.
SourceNo charging-output rating is established by this exact source; no data-port or connector entry is converted to a power rating.
SourceExact generic rows say USB-C: No and USB Hub: No, yet the same table and visible Features name one data-only USB-C upstream and two USB-C downstream ports (3.2 Gen1). Generic capability scope is unresolved; explicit data-port positives are retained separately. · Exact table hub declaration/count and listed USB-A downstream roles, where applicable.
Exact named upstream role: ONLY DATA. No charging or video-input support inferred.
SourceManufacturer version: 3.2 Gen1. No charging or video-output capability inferred.
SourceExact table names a height-adjustable stand and supplies a HAS row.
SourceExact HAS row: 120.0 ± 5.0. A unit is not supplied, so this is not promoted to a known mm quantity. Height-adjustment presence remains positively established.
SourceExact manufacturer angular endpoints and tolerances.
SourceThe exact selected-model table does not establish swivel. Omission is not absence.
SourceNo pivot declaration or range is established by the exact selected-model table. Omission is not absence.
SourceMatch screw requirements, weight and mount load limits; pattern alone does not establish installation compatibility.
SourceManufacturer width × height × depth including stand; allow cable clearance.
SourceManufacturer with-stand width, not active panel width.
SourceManufacturer with-stand depth; cable space is additional.
SourceManufacturer explicitly labels set weight with stand; packaging and bare display are separate.
SourceManufacturer width × height × depth; supplied stand excluded.
SourceManufacturer explicitly labels set weight without stand.
SourceManufacturer horizontal × vertical order and precision; separate from chassis dimensions.
SourceManufacturer Power Consumption (Typ): 49.0 W. Not an independent measurement, real-use guarantee or adapter-rating substitution.
SourceManufacturer Power Consumption (Max): 220 W. Not an independent measurement, real-use guarantee or adapter-rating substitution.
SourceManufacturer Power Consumption (DPMS): 0.50 W. Not an independent measurement, real-use guarantee or adapter-rating substitution.
SourceManufacturer Power Consumption (Off Mode): 0.30 W. Not an independent measurement, real-use guarantee or adapter-rating substitution.
SourceManufacturer supply type: External Adaptor.
SourceManufacturer energy-label class; actual consumption depends on use.
SourceExact manufacturer Smart Type: No. Applications on an external computer remain separate.
SourceAdjust Logo Brightness Off/Low limits thermal modulation to certain picture modes; High makes it always active. Logo detection is unavailable in PC mode. Screen saver dims after 10 minutes; no burn-in immunity is inferred.
SourceManufacturer normal-use coverage wording. Commercial use, abuse and misuse are excluded; full purchase-market warranty terms apply.
SourceOnly explicitly listed UK supplied cables. The source lists a 1.5 m power cable; no unlisted speed certification or accessory is inferred.
SourceMore of the nearest checked monitors by key specifications, for a side-by-side comparison.
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