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Iiyama G-Master GB2591HSU-B1 24.5 " black

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Iiyama G-Master GB2591HSU-B1 24.5 " black
2026G-MastergamingHDMI 2.1USB-CHDRAdaptive-Syncspeakers
Screen size:24.5 "
Resolution:1920x1080 (16:9)
Panel:IPS, MPRT 0.5 ms
Frequency:320 Hz
Contrast:1 000:1
Brightness:350 cd/m²
Functions:HDR, NVIDIA G-Sync Compatible, VESA Adaptive-Sync, Flicker-Free
Connectors:DisplayPort v1.4 • 2xHDMI v2.1
All specifications
Specifications G-Master GB2591HSU-B1
Main
Product typegaming
Size24.5 "
Screen
Panel typeIPS
Resolution1920x1080 (16:9)
FPS320 Hz
Pixel size0.28 mm
Response time (MPRT)0.5 ms
Vertical viewing angle178 °
Horizontal viewing angle178 °
Brightness350 cd/m²
Static contrast1 000:1
Dynamic Contrast100 000 000:1
Colour depth8-bit (16.7M Colors)
HDR+
Connection
Video transmissionDisplayPort v1.4
2xHDMI v2.1
USB-A hub2x5Gbps
USB-C hub2x5Gbps
Connectors (optional)mini-Jack output (3.5 mm)
Features
FeaturesFlicker-Free
NVIDIA G-Sync Compatible
Adaptive-Sync
Portrait pivot
Screen swivel / +- 45° /
Height adjustment / 150 mm /
Speakers
Sound power2x4 W
Game Featuresbrighten darker areas / Black Tuner /
General
Wall mountVESA 100x100mm
Power consumption30 W
Energy class (new)E
Dimensions (WxHxD)557x532x213 mm
Dimensions without stand (WxHxD)557x324x56 mm
Weight5.3 kg
Official Websiteiiyama.com
Added to E-CatalogFebruary 2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
How to Choose a Gaming MonitorWe understand matrix types, suitable resolution, FreeSync and other important aspects when choosing a gaming monitor
Monitor matrices types: TN+film, IPS, VA, OLED, QLED and QD-OLEDCurrent types of monitor matrices, their pros and cons, as well as recommendations for selection

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iiyama G-MASTER 24.5" FHD 320Hz Gaming Monitor (GB2591HSU-B1) GB2591HSU-B1

62.2 cm (24.5") Black. Height adjustment 15 cm Built-in speaker(s). HDMI HDMI version: 2.1 DisplayPorts quantity: 1 DisplayPo... morert version: 1.4. Screen shape: Flat. Maximum refresh rate: 320 Hz Response time: 0.4 ms Response time (MPRT): 0.4 ms. 1920 x 1080 pixels Full HD Panel type: Fast IPS. Energy efficiency class (SDR): E ErP CB, CE, EAC, PSE, REACH, RoHS, TÜV mark, VCCI, WEEE. The G-Master GB2591HSU-B1 is crafted to help you unleash your full gaming potential. With G-Sync Compatibility for smooth, tear-free gameplay and a 320Hz refresh rate, every movement feels fast and fluid. The 24.5” Fast IPS panel delivers clear, sharp visuals, while the 0.4ms response ensures you stay ahead in every game, without ever being held back by your gear. For added ergonomic comfort, the monitor includes a 150mm height-adjustable stand to fit your setup perfectly.. Display. Display diagonal. 62.2 cm (24.5"). Display resolution. 1920 x 1080 pixels. Native aspect ratio. 16:9. Display technology. LED. Touchscreen. No. HD type. Full HD. Panel type. Fast IPS. Display brightness (typical). 350 cd/m². Response time. 0.4 ms. Response time (MPRT). 0.4 ms. Display surface. Matt. Screen shape. Flat. Contrast ratio (typical). 1000:1. Contrast ratio (dynamic). 100000000:1. Maximum refresh rate. 320 Hz. Viewing angle, horizontal. 178°. Viewing angle, vertical. 178°. Display number of colours. 16.7 million colours. Pixel pitch. 0.2802 x 0.2802 mm. Horizontal scan range. 30 - 360 kHz. Viewable size, horizontal. 54.4 cm. Viewable size, vertical. 30.3 cm. Display diagonal (metric). 62 cm. High Dynamic Range (HDR) supported. Yes. High Dynamic Range (HDR) technology. High Dynamic Range 10 (HDR10). Colour depth. 8 bit. Performance. NVIDIA G-SYNC. Yes. AMD FreeSync. Yes. NVIDIA G-SYNC type. G-SYNC. VESA Adaptive Sync support. Yes. Flicker-free technology. Yes. Low Blue Light technology. Yes. Multimedia. Built-in speaker(s). Yes. Number of speakers. 2. RMS rated power. 8 W. Built-in camera. No. Design. Market positioning. Gaming. Product colour. Black. Ports & interfaces. Built-in USB hub. Yes. USB hub version. 3.2 Gen 1 (3.1 Gen 1). Number of downstream ports. 4. HDMI. Yes. HDMI ports quantity. 2. HDMI version. 2.1. DisplayPorts quantity. 1. DisplayPort version. 1.4. Headphone out. Yes. HDCP. Yes. Ergonomics. VESA mounting. Yes. Panel mounting interface. 100 x 100 mm. Wall mountable. Yes. Cable management. Yes. Cable lock slot. Yes. Cable lock slot type. Kensington. Height adjustment. Yes. Adjustable height (max). 15 cm. Pivot. Yes. Pivot angle. 0 - 90°. Swivelling. Yes. Swivel angle range. -45 - 45°. Tilt adjustment. Yes. Tilt angle range. 5 - 23°. On Screen Display (OSD). Yes. On Screen Display (OSD) languages. Czech, German, English, French, Italian, Japanese, Dutch, Polish, Portuguese, Russian. Power. Energy efficiency class (SDR). E. Energy efficiency class (HDR). G. Energy consumption (SDR) per 1000 hours. 18.4 kWh. Energy consumption (HDR) per 1000 hours. 31 kWh. Power
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