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27 inch gaming monitor on lightweight LS stand, matte black finish

Uperfect

Uperfect 27" LS Series 4K 144Hz / FHD 288Hz Dual-Mode Gaming Monitor

SKU CH-05JH-92B92

A 27-inch IPS gaming monitor offering dual-mode refresh rates of 4K at 144Hz and FHD at 288Hz with 100% sRGB coverage, 450 cd/m² brightness, 1 ms response time, built-in speakers.

  • Screen Size27"
  • WidescreenYes
  • PanelIPS
  • Maximum Resolution3840 x 2160
  • Resolution3840 x 2160 (4K)
  • Viewing Angle178° (H) / 178° (V)
  • Sharp 4K detail at 144 Hz for immersive play
  • Ultra-fast 288 Hz FHD mode for competitive edge
  • 100 % sRGB IPS panel with 10.7 billion colours
  • One-cable USB-C carries power, video and audio
  • VESA 100 × 100 mount plus built-in dual 2 W speakers

27″ Dual-Mode Gaming Monitor

This 27-inch IPS gaming monitor delivers 4K UHD resolution at 144Hz and switches to FHD 1080p at 288Hz for competitive responsiveness. The panel covers 100% sRGB with 10.7 billion colours, 450 cd/m² brightness and a 1500:1 contrast ratio. Wide 178° viewing angles maintain colour consistency from almost any position. A 1 ms response time keeps motion sharp in fast-paced scenes.

Suits gamers who need both high resolution

The dual-mode design lets you prioritise detail in single-player titles or frame-rate in esports without changing hardware. USB-C with Power Delivery, HDMI 2.1, DisplayPort 1.4, USB OTG and a 3.5 mm jack cover laptops, consoles and phones. Built-in dual 2W speakers and a 100×100 mm VESA mount add desk or wall flexibility. Buyers who require a larger screen, higher 4K refresh rates, HDR certification or a curved panel should look at other models.

Dual-mode refresh specification

The single specification that decides suitability is the ability to run 3840×2160 at 144Hz or 1080p at 288Hz on the same panel. If your workflow or gaming preference demands one fixed native resolution and refresh combination, a single-mode monitor may be simpler. Verify that your graphics source can output the desired mode over the available ports before purchasing.

Points forts

  • Sharp 4K detail at 144 Hz for immersive play
  • Ultra-fast 288 Hz FHD mode for competitive edge
  • 100 % sRGB IPS panel with 10.7 billion colours
  • One-cable USB-C carries power, video and audio
  • VESA 100 × 100 mount plus built-in dual 2 W speakers

Caractéristiques

Screen Size27"
WidescreenYes
PanelIPS
Maximum Resolution3840 x 2160
Resolution3840 x 2160 (4K)
Viewing Angle178° (H) / 178° (V)
Aspect Ratio16:9
Brightness450 cd/m2
Contrast Ratio1,500:1
Response Time1 ms
Display Colors10.7 Billion
Refresh Rate144Hz
Built-in SpeakersYes
VESA Compatibility - Mountable100 x 100mm

Questions sur cet article

What refresh rates do HDMI 2.1 and DP 1.4 actually deliver on this monitor?

HDMI 2.1 and DP 1.4 both support the dual-mode specification: 4K UHD at 144 Hz and FHD 1080p at 288 Hz, so the interface does not cap the panel's advertised rates.

What physical mounting pattern does the 27-inch LS Series use?

The monitor has a 100 x 100 mm VESA mount, allowing attachment to standard monitor arms, wall brackets or the included lightweight LS stand.

How do I switch between 4K 144 Hz and 1080p 288 Hz without getting a black screen?

Change the resolution and refresh rate in your OS display settings or GPU control panel first, then confirm the new mode; the panel will handshake over HDMI 2.1 or DP 1.4 without power cycling.

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