iiyama G-Master GB2791QSU-B1 27" Fast IPS 2560x1440 320Hz Gaming Monitor

Manufacturer: Iiyama | Model: GB2791QSU-B1 | Product ID: 4737
£232.17 (inc. VAT)
2 in stock
100% Money Back Guarantee - Risk Free

Product Technical Specification

Colour
Primary Colour Black
Dimensions
Length / Depth 403.5 mm
Width 612 mm
Height 313 mm
Weight 5.8 kg
Weight (without stand) 4 kg
Efficiency Class
EU Energy Efficiency Class F
UK Energy Efficiency Class F
UK Energy Efficiency Class HDR G
Standards / Specifications
Adaptive Sync Technology (G-SYNC / FreeSync) NVIDIA G-SYNC Compatible, adaptiveSync
Standard / specification HDMI 2.1, DisplayPort 1.4
Speakers
Speakers Yes
Speaker amount and power output 2x 2 Watt
Lighting
Lighting / RGB No
Display
Display Size in Inch 27 "
Display Resolution WQHD (2560 x 1440 Pixel)
Display Aspect Ratio 16:9
Display Refresh Rate 320 Hz
Display Panel Type IPS
Colour depth max. 16.7 million colours (8 bit)
Contrast Ratio (Static) 1000:1
Curved Display No
Display Response Time 0.6 ms
Display Response Time (MPRT) 0.6 ms
HDR Yes
HDR Standard HDR10
Screen Brightness SDR / normal 350 cd/m²
Viewing angle 178° horizontal / 178° vertical
Display Surface Type non-glare
Touchscreen No
Ergonomics
Height adjustment Yes
Min. Adjustable Height 0 mm
Max. Adjustable Height 150 mm
Min. Swivel -45 °
Max. Swivel 45 °
Min. Tilt -5 °
Max. Tilt 23 °
Pivot Yes
Power Supply
Power Supply Position Internal
Connectivity
Peripheral connectors USB 3.2 Typ-C (2x), 3.5 mm jack 3-pole, TRS (1x), USB 3.2 Typ-A (4x)
Compatibility
Compatibility Note Please refer to the manufacturer's compatibility information. You can find the latest overview on the manufacturer's website.
Mounting
Vesa standard 100 x 100 mm
External Ports
Display Connectors HDMI (2x), Display Port (1x)
Display Connector Standards HDMI 2.1, DisplayPort 1.4
USB Hub Yes

Delivery Options

Economy Delivery
FREE
Economy Delivery

Economy Delivery (UK)

Estimated delivery date: Fri 19th Jun 2026 to Mon 22nd Jun 2026
Business Express
£6.95
Business Express

Business Express

Estimated delivery date: Thu 18th Jun 2026 to Sat 20th Jun 2026
View all Delivery Options & International Rates

iiyama G-Master GB2791QSU-B1 27" Gaming Monitor – 27" display size, QHD (2560x1440) resolution, Fast IPS panel, 320Hz refresh rate, 0.6ms MPRT response time, AMD FreeSync, NVIDIA G-SYNC compatible, Black Tuner, USB hub, DisplayPort 1.4, and HDMI 2.1.

iiyama G-Master GB2791QSU-B1 27" Gaming Monitor at a Glance:

  • 27” gaming monitor with QHD (2560x1440) resolution
  • Fast IPS panel with 320Hz refresh rate for smooth gaming
  • 0.6ms response time to minimise motion blur
  • AMD FreeSync and NVIDIA G-SYNC compatible
  • Optimise visuals with Black Tuner
  • Versatile connectivity including HDMI 2.1 ports and a USB hub

Smooth Gaming

The iiyama G-Master GB2791QSU-B1 27" Gaming Monitor is engineered for smooth gaming. With a 27” panel and QHD (2560x1440) resolution, this display balances screen real estate and pixel density to deliver crisply detailed images. Perfect for UI heavy games and cinematic visuals. To ensure they remain clear, this monitor harnesses a 320Hz refresh rate and 0.6ms response time. As a result, all your favourite games are fluid with minimal motion blur.

Further enhancing the display, the iiyama G-Master GB2791QSU-B1 27" Gaming Monitor has support for both AMD FreeSync and NVIDIA G-SYNC. These are variable refresh rate technologies that match the screen frame rate with your GPU output, reducing screen-tearing, ghosting, and stuttering. What’s more, this monitor features Black Tuner settings, where you can adjust the brightness and shadows for better visibility in all your games.

Modern Set-Up

For seamless integration with your gaming set-up, the iiyama G-Master GB2791QSU-B1 27" Gaming Monitor includes both HDMI 2.1 and DisplayPort 1.4 connectivity options. You can pair this monitor with gaming PCs, laptops, and consoles, enjoying smooth performance whatever your preferred platform. In addition to this, there is a USB hub that features two USB Type-A and two USB-C ports.

Colour
Primary Colour Black
Dimensions
Length / Depth 403.5 mm
Width 612 mm
Height 313 mm
Weight 5.8 kg
Weight (without stand) 4 kg
Efficiency Class
EU Energy Efficiency Class F
UK Energy Efficiency Class F
UK Energy Efficiency Class HDR G
Standards / Specifications
Adaptive Sync Technology (G-SYNC / FreeSync) NVIDIA G-SYNC Compatible, adaptiveSync
Standard / specification HDMI 2.1, DisplayPort 1.4
Speakers
Speakers Yes
Speaker amount and power output 2x 2 Watt
Lighting
Lighting / RGB No
Display
Display Size in Inch 27 "
Display Resolution WQHD (2560 x 1440 Pixel)
Display Aspect Ratio 16:9
Display Refresh Rate 320 Hz
Display Panel Type IPS
Colour depth max. 16.7 million colours (8 bit)
Contrast Ratio (Static) 1000:1
Curved Display No
Display Response Time 0.6 ms
Display Response Time (MPRT) 0.6 ms
HDR Yes
HDR Standard HDR10
Screen Brightness SDR / normal 350 cd/m²
Viewing angle 178° horizontal / 178° vertical
Display Surface Type non-glare
Touchscreen No
Ergonomics
Height adjustment Yes
Min. Adjustable Height 0 mm
Max. Adjustable Height 150 mm
Min. Swivel -45 °
Max. Swivel 45 °
Min. Tilt -5 °
Max. Tilt 23 °
Pivot Yes
Power Supply
Power Supply Position Internal
Connectivity
Peripheral connectors USB 3.2 Typ-C (2x), 3.5 mm jack 3-pole, TRS (1x), USB 3.2 Typ-A (4x)
Compatibility
Compatibility Note Please refer to the manufacturer's compatibility information. You can find the latest overview on the manufacturer's website.
Mounting
Vesa standard 100 x 100 mm
External Ports
Display Connectors HDMI (2x), Display Port (1x)
Display Connector Standards HDMI 2.1, DisplayPort 1.4
USB Hub Yes

Based on 0 reviews

0

overall

Add a review

Buykingston order despatch times:

We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.

These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).

We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.

Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.

Despatch times do not apply to UK public holidays.

Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.

Our warehouse reserves the right to upgrade the delivery method you select on your order.

Our available delivery options*

Contact us for a shipping quote.

*All delivery times are estimated unless stated.

Product Returns Note

Buykingston offers a very flexible and hassle free returns policy. If for whatever reason you are not happy with the item purchased you can return it to us within 12months for a refund (for unused and unopened items) or within 30 days on opened and used items for a refund. This applies to items purchased direct through Buykingston  only.

Our 30 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items opened and used and that are returned in a resellable condition.

Our 365 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items that remain sealed and unused.

Some items are excluded from our moneyback guarantee unless they have developed a fault. These include;

- Headphones
- Earphones
- Custom made and designed products such as flash memory products with custom logo’s on them. E,g USB flash drives and memory cards with your own logo

Returns FAQs

What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on non tracked items.
On unopened items 365 days.

How do i go about returning my order?
Please contact us via our contact page with your order number where we will present you with an RMA number and returns label.

Do i need to contact you before returning my order?
Yes, to obtain an RMA number.

Does my item have to include its original packaging?
Yes for items that fall within our 30 day money back guarantee and our 365 day returns. Of course for faulty items we realise you may no longer have the packaging.

Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer direct for assistance.

Please ensure you have read and comply in full with Section 11 & 13 of our terms and conditions which you can read here in full.