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ShopMonitorsiiyama G-MASTER GB2771UHSU-B1 computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black
iiyama G-MASTER GB2771UHSU-B1 computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black
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iiyama G-MASTER GB2771UHSU-B1 computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black

£231.59

£277.91 inc. VAT

Out of Stock(0)MPN: GB2771UHSU-B1
🚚 Next-day delivery £4.95
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Key Features

iiyama G-MASTER Red Eagle GB2771UHSU-B1
LED monitor
gaming
27"
3840 x 2160 4K @ 144 Hz
IPS
450 cd/m�
1500:1

Product Overview

AI-generated summary

For £236 ex-VAT, the iiyama G-MASTER GB2771UHSU-B1 is a pretty sensible buy if you want a sharp 27" 4K screen for typical office work, spreadsheets, reports, and general “desk productivity” without paying the premium that some brands demand. iiyama’s strength tends to be practical panel choices and sensible ergonomics/OSD controls (i.e., it’s usually straightforward to live with day to day). If your main goal is crisp text and plenty of workspace, this is the kind of monitor that makes work feel less cramped, especially in a standard UK office setup.

That said, I wouldn’t treat it as a “do everything, including high-end gaming/colour critical” monitor. iiyama monitors in this price bracket often prioritise value and usability over standout colour accuracy or high-end HDR/response behaviour—so if you’re doing serious creative grading, or you need consistently excellent performance for competitive gaming, you may find better ROI elsewhere (either higher-spec from a different model line, or a dedicated gaming/creator screen at the right price). Also, 4K on a 27" is great for clarity, but make sure your scaling/DPI settings are sorted so Windows isn’t fighting you—otherwise it can feel like you’re constantly adjusting.

Overall: buy it if you want a good-quality 4K office monitor that’s decent value for money. Skip it if colour-critical work or “premium gaming” is the main use case.

Why This Product

4K clarity for next-level immersion

Ultra HD resolution delivers crystal-clear visuals and stunning detail, bringing your games to life with incredible sharpness and realism. Whether you're exploring open worlds or battling online!

Dual Refresh Rate

Dual Refresh Rate

Switch effortlessly between 4K at 144Hz for stunning, immersive visuals and FHD at 288Hz for ultra-fast, competitive gameplay. Whether you’re exploring vast worlds or chasing every millisecond, the...

NVIDIA G-SYNC Compatible

NVIDIA G-SYNC Compatible

Unlock tear-free, ultra-smooth gameplay with NVIDIA G-SYNC, syncing your monitor to your GPU for fluid motion, reduced stutter, and crystal-clear action. (DisplayPort Only)

HDMI 2.1

HDMI 2.1

Play smoother games than ever before. HDMI 2.1 supports a range of higher video resolutions and refresh rates. The increased bandwidth allows dynamic HDR with 4K120 and future HDR standards, result...

Specifications

Display

Display diagonal27 "
Display resolution3840 x 2160 pixels
HD type4K Ultra HD
Native aspect ratio16:9
Display technologyLED

Performance

NVIDIA G-SYNCY
NVIDIA G-SYNC typeG-SYNC Compatible
AMD FreeSyncY
AMD FreeSync typeFreeSync Premium
Flicker-free technologyY

Multimedia

Number of speakers2
RMS rated power4 W
Built-in speaker(s)Y
Built-in cameraN

Design

Market positioningGaming
Product colourBlack
Frameless designY

Ports & interfaces

Built-in USB hubY
USB hub version3.2 Gen 1 (3.1 Gen 1)
USB upstream port typeUSB Type-B
Number of upstream ports1
Number of downstream ports4

Ergonomics

VESA mountingY
Panel mounting interface100 x 100 mm
Cable managementY
Cable lock slotY
Cable lock slot typeKensington

Power

Energy efficiency class (SDR)F
Energy efficiency class (HDR)G
Energy consumption (SDR) per 1000 hours25.7 kWh
Energy consumption (HDR) per 1000 hours36.6 kWh
Power consumption (typical)26 W

Operational conditions

Operating temperature (T-T)0 - 40 °C
Storage temperature (T-T)-20 - 60 °C
Operating relative humidity (H-H)20 - 90 %
Storage relative humidity (H-H)10 - 90 %

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