iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1)
Brand Iiyama
From
£210.00
Free delivery
You save £16.99 (7%)
5 offers at 5 retailers
Listed since 7 April 2026
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Description
Specifications
| Display diagonal | 68.6 cm (27") |
| Display resolution | 2560 x 1440 pixels |
| HD type | Wide Quad HD |
| Native aspect ratio | 16:9 |
| Panel type | Fast IPS |
| Display brightness (typical) | 350 cd/m² |
| Response time (MPRT) | 0.6 ms |
| Display surface | Matt |
| Contrast ratio (typical) | 1000:1 |
| Maximum refresh rate | 320 Hz |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Display number of colours | 16.7 million colours |
| Pixel pitch | 0.233 x 0.233 mm |
| Horizontal scan range | 30 - 550 kHz |
| Viewable size, horizontal | 59.7 cm |
| Viewable size, vertical | 33.6 cm |
| Display diagonal (metric) | 68.5 cm |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 (HDR10) |
| Colour depth | 8 bit |
| AMD FreeSync | Yes |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| Number of speakers | 2 |
| RMS rated power | 4 W |
| Built-in speaker(s) | Yes |
| Product colour | Black |
| Built-in USB hub | Yes |
| USB hub version | 3.2 Gen 1 (3.1 Gen 1) |
| Number of downstream ports | 4 |
| HDMI ports quantity | 2 |
| DisplayPorts quantity | 1 |
| Headphone out | Yes |
| HDCP | Yes |
| VESA mounting | Yes |
| Panel mounting interface | 100 x 100 mm |
| Cable management | Yes |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Height adjustment | Yes |
| Adjustable height (max) | 15 cm |
| Pivot | Yes |
| Swivelling | Yes |
| Swivel angle range | -45 - 45° |
| Tilt adjustment | Yes |
| Energy efficiency class (SDR) | F |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 23.5 kWh |
| Power consumption (typical) | 24 W |
| Power consumption (standby) | 0.4 W |
| Power consumption (off) | 0.3 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Power supply type | Internal |
| Energy efficiency scale | A to G |
| Width (with stand) | 612 mm |
| Height (with stand) | 313 mm |
| Weight (with stand) | 5.8 kg |
| Height (without stand) | 313 mm |
| Weight (without stand) | 4 kg |
| Package width | 690 mm |
| Package depth | 465 mm |
| Package height | 140 mm |
| Package weight | 8.4 kg |
| USB cable length | 1.8 m |
| Cables included | AC, USB, HDMI, DisplayPort |
| DisplayPort cable length | 1.8 m |
| HDMI cable length | 1.8 m |
| Power cable length | 1.8 m |
| Sustainability certificates | ErP |
| User controls | picture adjust (contrast, brightness, OverDrive, HDR, Adaptive Sync, night mode, blue light reducer, Motion Blur Reducer, gamma), input select (input source, auto/ manual, DP, HDMI1, HDMI2), audio adjust (volume, mute), store user settings (user modes), colour settings (6-axis, colour temperature, user preset, black tuner), image adjust (i-Style Colour, X-Res Technology, sharpness, HDMI range, Direct Drive Mode, video mode adjust), language, OSD setup menu (OSD H. position, OSD V. position, OSD Time, Opening Logo, Power LED, DDC/ DI Control, USB charge), display information, reset (reset all) |
| Packaging content | quick start guide, safety guide |
| Weight | 5.8 kg |
| Height | 313 mm |
| Width | 612 mm |
| Control panel | power switch, joystick, menu (center), up / signal select, down / shortcut, left / volume -, right / volume + |
| Compliance certificates | CE, EAC, PSE, REACH, RoHS, TÜV mark, UKCA, VCCI, WEEE |
Full specifications
| Marque | Iiyama |
| Référence fabricant | gb2791qsub1 |
| EAN | 4948570126859 |
Overview of the iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1)
The iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1) is a well-regarded reference in the Informatique category. In 2026, it remains one of the most relevant choices for those seeking to balance quality and budget. The brand Iiyama has a strong reputation among consumers, reflected in its consistent availability across many partner retailers. Thanks to our comparison tool, you can see all available offers at a glance and go directly to the retailer of your choice to complete your purchase with confidence.
What makes the iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1) stand out in 2026
This product stands out for the build quality that is characteristic of the Iiyama brand. Users particularly appreciate its reliability in daily use and how easy it is to get started right from the first use. The design, intended for regular use, ensures satisfying durability, and the balance between the features offered and the asking price is well received by buyers. Iiyama has a strong reputation in the Informatique category, which makes it easy to access after-sales service and the manufacturer warranty when needed. You can also compare with the iiyama G-MASTER G4380UHSU-B2 computer monitor 108 cm (42.5") 3840 x 2160 pixels 4K Ultra HD LED Black to refine your choice.
Performance and key features
In the Informatique category, buyers pay close attention to declared performance and build quality. The iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1) meets these expectations with technical specifications that reflect Iiyama's positioning on this segment. The key features, available in the spec sheet on this page, allow you to verify this product matches your needs before finalising your purchase. Also compare with the iiyama G-MASTER G4380UHSU-B2 computer monitor 108 cm (42.5") 3840 x 2160 pixels 4K Ultra HD LED Black from the same brand to refine your decision.
Design and ease of use
The iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1) is generally described as intuitive by users in the Informatique category. Iiyama designed this product to be accessible from the first use, whether you are a beginner or an experienced user in this range.
Market price ranges in 2026
| Range | Indicative price |
|---|---|
| Entry-level | Under 384300 £ |
| Mid-range | 384300 £ to 896710 £ |
| High-end | Over 896710 £ |
To find the iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1) at the best price today, compare all available offers on Compiral. Our comparison tool updates prices several times a day to ensure you get the lowest rate from our partner retailers. Remember to activate the free delivery filter to reduce the total cost of your purchase. Also check the estimated delivery time at each retailer, which can vary considerably from one shop to another.
Frequently asked questions about iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1)
Is the iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1) worth its price in 2026?
In 2026, the iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1) is listed from £210 at our partner retailers. This price is consistent with the positioning of Iiyama in the Informatique category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.
What warranty does the iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1) come with?
The iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1) generally comes with a manufacturer warranty of 1 to 2 years depending on the retailer. In addition to the commercial warranty from Iiyama, statutory consumer rights apply to all purchases. Check the warranty conditions directly on the retailer's page before finalising your order.
Is the iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1) in stock?
Stock availability for the iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1) is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Informatique category.
Where can I buy the iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1) at the best price?
To buy the iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1) at the best price, compare all available offers in our table at the top of this page. The 5 offers listed include delivery costs to give you the true total cost. Sort by ascending price and filter by free delivery to quickly identify the best deal among our verified partner retailers.
How does the iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1) compare to competitors in the Informatique category?
In the Informatique category, the iiyama G-MASTER 27" Wide Quad HD 320Hz Gaming Monitor (GB2791QSU-B1) occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.
