Samsung S27A850D
4.5COR Scoreout of 5 · 3 critic reviews
Monitors
AOC CU34G4Z reviews
Product specifications and review coverage for this exact model.
Image supplied through Icecat
Product overview
AOC CU34G4Z is listed in the computer monitors category. The recorded specifications include display diagonal: 86.4 cm (34"); display resolution: 3440 x 1440 pixels; panel type: Fast VA; maximum refresh rate: 240 Hz. This entry covers manufacturer code CU34G4Z. Specifications relate to this exact source record; other editions or packages may differ.
Automatically assembled from the source specifications. This is a factual summary, not a hands-on review.
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Specifications
Manufacturer code: CU34G4Z. Icecat product 125095751 · Checked 16 Sep 2026. The source lists this code for Great Britain. No specifications are transferred from other editions.
Key specifications
The main features to compare for this exact model. Missing details are not assumed.
| Screen size | 86.4 cm (34") |
|---|---|
| Screen resolution | 3440 x 1440 pixels |
| Panel type | Fast VA |
| Maximum refresh rate | 240 Hz |
| Response time | 1 ms |
| Display brightness (typical) | 450 cd/m² |
| High Dynamic Range (HDR) supported | Yes |
| HDMI ports | 2 |
| DisplayPort connections | 1 |
More product specifications
Open a section for the details that matter to you.
Audio & listening4 details
| Digital horizontal frequency | 30 - 360 kHz |
|---|---|
| Digital vertical frequency | 48 - 240 Hz |
| Headphone out | Yes |
| Headphone outputs | 1 |
Display16 details
| Display technology | LED |
|---|---|
| Touchscreen | No |
| Anti-glare screen | Yes |
| Screen shape | Curved |
| Screen curvature rating | 1500R |
| Contrast ratio (typical) | 2500:1 |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Display number of colours | 1.07 billion colours |
| Display diagonal (metric) | 86.4 cm |
| High Dynamic Range (HDR) technology | DisplayHDR 400 |
| Colour gamut standard | Adobe RGB, DCI-P3, sRGB |
| AMD FreeSync refresh rate range | 48 - 240 Hz |
| On Screen Display (OSD) | Yes |
| On Screen Display (OSD) languages | Simplified Chinese, Traditional Chinese, Czech, Dutch, English, Finnish, French, German, Italian, Japanese, Korean, Croatian, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Ukrainian |
| Native refresh rate | 60 Hz |
Processor, memory & storage1 detail
| Frameless design | Yes |
|---|
Connections & wireless10 details
| 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 |
| USB Type-A downstream ports quantity | 2 |
| HDMI | Yes |
| HDMI version | 2.1 |
| DisplayPort version | 1.4 |
| Headphone connectivity | 3.5 mm |
| Panel mounting interface | 100 x 100 mm |
Power & battery9 details
| Energy efficiency class (SDR) | F |
|---|---|
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 31 kWh |
| Energy consumption (HDR) per 1000 hours | 68 kWh |
| Power consumption (typical) | 43 W |
| Power consumption (standby) | 0.5 W |
| Power consumption (off) | 0.3 W |
| Power supply type | Internal |
| Energy efficiency scale | A to G |
Controls & features2 details
| Shadow control | Yes |
|---|---|
| Motion blur reduction | Yes |
Design & dimensions13 details
| Product colour | Black, Red |
|---|---|
| Front bezel colour | Black |
| VESA mounting | Yes |
| Height adjustment | Yes |
| Adjustable height (max) | 13 cm |
| Width (with stand) | 808.1 mm |
| Depth (with stand) | 269.4 mm |
| Height (with stand) | 534.7 mm |
| Weight (with stand) | 8.62 kg |
| Width (without stand) | 808.1 mm |
| Depth (without stand) | 109 mm |
| Height (without stand) | 368.4 mm |
| Weight (without stand) | 6.37 kg |
Software & compatibility2 details
| Brand specific technologies | Crosshair |
|---|---|
| Certification | WEEE,REACH compliant,RoHs compliant |
Further product details29 details
| HD type | Wide Quad HD |
|---|---|
| Native aspect ratio | 21:9 |
| LED backlight | Yes |
| Backlight type | W-LED |
| Response time measurement type | GTG (Gray to Gray) |
| Response time (MPRT) | 0.3 ms |
| Pixel density | 109 ppi |
| sRGB coverage (typical) | 130.3% |
| Adobe RGB coverage | 88.7% |
| DCI-P3 coverage | 94% |
| VESA Adaptive Sync support | Yes |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| Game mode | Yes |
| Market positioning | Gaming |
| Detachable stand | Yes |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Swivelling | Yes |
| Swivel angle range | 20 - 20° |
| Tilt adjustment | Yes |
| Tilt angle range | 3.5 - 21.5° |
| Picture-in-Picture | Yes |
| Number of OSD languages | 19 |
| Doesn't contain | Mercury, PVC/BFR |
| Low input lag | Yes |
| FPS counter | Yes |
| Dial point | Yes |
| Bezel thickness type | Frameless |
Packaging & supplied accessories7 details
| Package width | 1070 mm |
|---|---|
| Package depth | 188 mm |
| Package height | 553 mm |
| Package weight | 11.9 kg |
| Package type | Box |
| Cables included | AC, HDMI, DisplayPort, USB |
| Warranty period | 3 year(s) |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
