Features and specifications vary by model and all images are illustrative.
Please refer to specification pages for full details

LG UltraGear 45GX90SA 45" WQHD OLED Curved Monitor 240Hz 0.03ms Response

Streaming to Gaming
SKU
173650
MPN
45GX90SA-B.AEK
EAN
8806096429990
As low as £1,099.00 Was £1,499.00
  • 45" Curved OLED Display
  • 21:9 Aspect Ratio
  • 240Hz & 0.03ms Response Time
  • G-sync and Free Sync Compatible
  • Built In 2 x 7W Speakers
  • webOS Smart Functionality
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Condition

We take great pride in the products we supply and are glad to provide detailed information on each products condition. All our items range from brand new to refurbished - you can find more details in the condition tab below.

Warranty
12 Months

Cover against manufacturing faults or defects found during the warranty period. The warranty provided does not cover accidental damage or misuse. Further details can be found in the warranty tab below.

Delivery
Next Working Day Delivery on Orders Before 2pm

Enjoy lightning fast same day dispatch with next working day delivery* on all orders placed before 2pm. Plus, it's FREE for the UK mainland and you'll get a text from our courier with an hour long timeslot on the day of delivery. Peace of mind with TEKshop.

Very small, cheaper items may occasionally be sent with Royal Mail Untracked First Class. Examples include VPN timecards or Serial Number Keys.

Returns
30 Day Money Back Returns

Changed your mind? No problem, our 30-day return program allows returns up to 30 days from the date of purchase. Just make sure it's in as new condition with the original packaging.

The 45" LG UltraGear OLED Gaming Monitor (45GX90SA) features a 3440 x 1440 resolution, ultra-fast 240Hz refresh rate, and 0.03ms responsetime on a vibrant OLED panel with a dramatic 800R curve. It supports AMD FreeSync Premium, NVIDIA G-Sync, and covers 98.5% DCI-P3 for rich colour. Integrated webOS enables smart TV streaming and cloud gaming, while multiple ports and ergonomic adjustments ensure versatile setup.

Curved OLED

The 45-inch WQHD (3440x1440) screen provides a 34% broader perspective compared to typical 16:9 monitors, ensuring crisp and vivid images throughout the wide display. This WQHD OLED features deeper blacks, brighter highlights, and rich colors, enhancing gaming visuals in any setting.

21:9 Ratio

The 21:9 curved OLED screen delivers an engaging and immersive experience for gaming and diverse entertainment, thanks to its well-balanced and optimised aspect ratio.

800R Curvature

Experience total immersion with the 800R curved screen, engineered to align with your natural field of vision and position you at the center of the action. Its tight curvature ensures a consistent viewing angle across the display, delivering vivid, distortion-free visuals as you navigate through your gaming worlds.

Curated to Your Taste

Experience immersive sound with dual 7W speakers, easy music search, quick access to recent tracks, and personalised song recommendations.

AI Picture

AI Picture produces realistic game graphics that emphasises faces and bodies, minimises visual noise, and enhances depth. Every nuance, from subtle facial cues to enemy actions, stands out clearly, keeping the screen focused for complete immersion whether you’re gaming or streaming.

All-in-One USB-C

Connect your laptop to the monitor using a USB-C cable for up to 65W power delivery, removing the need for a separate charger. Enjoy WQHD resolution and a 240Hz refresh rate through DP 1.4 or HDMI 2.1, ensuring smooth, uninterrupted gaming.

Specifications

DISPLAY
Size [Inch]: 44.5
Size [cm]: 113
Resolution: 3440 x 1440
Panel Type: OLED
Aspect Ratio: 21:9
Pixel Pitch [mm]: 0.303 x 0.303mm
Color Gamut (Min.): DCI-P3 94% (CIE1976)
Color Gamut (Typ.): DCI-P3 98.5% (CIE1976)
Color Depth (Number of Colors): 1.07B
Contrast Ratio (Min.): 1200000:1
Contrast Ratio (Typ.): 1500000:1
Response Time: Less than 1ms GtG
Refresh Rate (Max.) [Hz]: 240
Viewing Angle (CR=10): 178º(R/L), 178º(U/D)
Curvature: 800R
Brightness (Min.) [cd/m²]: 250cd/m²
Brightness (Typ.) [cd/m²]: 275cd/m²
Colour Bit: 10bit


FEATURES
HDR 10: YES
Dolby Vision™: NO
VESA DisplayHDR™: DisplayHDR™400 TRUE BLACK
HDR Effect: YES
Mini-LED Technology: NO
Nano IPS™ Technology: NO
Advanced True Wide Pol.: NO
Color Calibrated in Factory: YES
HW Calibration: NO
Auto Brightness: YES
Flicker Safe: NO
Color Weakness: NO
Super Resolution+: NO
Motion Blur Reduction Tech.: NO
NVIDIA G-Sync™: G-SYNC Compatible
AMD FreeSync™: FreeSync Premium
VRR: YES
Black Stabilizer: YES
Dynamic Action Sync: YES
Crosshair: YES
FPS Counter: YES
OverClocking: NO
User Defined Key: YES
Auto Input Switch: NO
RGB LED Lighting: Hexagon Lighting
PBP: 2PBP
PIP: YES
Smart Energy Saving: YES
Camera: NO
Mic: NO
Others (Features): NO


SW APPLICATION
LG Calibration Studio (True Color Pro): No
Dual Controller: No
OnScreen Control (LG Screen Manager): No
LG UltraGear™ Studio: No


CONNECTIVITY
D-Sub: NO
DVI-D: NO
HDMI: YES(2ea)
DisplayPort: YES(1ea)
DP Version: 1.4 (DSC)
Thunderbolt: NO
USB-C: YES(1ea)
USB-C (Max. Resolution at Hz): 3440x1440@240Hz
USB-C (Data Transsmission): YES
USB-C (Power Delivery): 65W
Daisy Chain: NO
USB Upstream Port: YES(via USB-C)
USB Downstream Port: YES(2ea/ver2.0)
Built-in KVM: NO
LAN (RJ-45): YES
SPDIF out (Optical Digital Audio Out): NO
Audio In: NO
Mic In: NO
Headphone out: 3-pole (Sound Only)
Line out: NO


SOUND
Speaker: 7W x 2
DTS HP:X: NO
Maxx Audio: NO
Rich Bass: NO
Bluetooth Connectivity: YES


POWER
Type: External Power(Adapter)
AC Input: 100~240V (50/60Hz)
Power Consumption (Sleep Mode): Less than 0.5W
Power Consumption (DC Off): Less than 0.5W
DC Output: 13.5A


MECHANICAL
Display Position Adjustments: Tilt/Height/Swivel


DIMENSIONS/WEIGHTS
Dimension with Stand (W x H x D) [mm]: 992.7 x 661.7 x 338.6mm(UP) / 992.7 x 541.7 x 338.6mm(Down)
Dimension without Stand (W x H x D) [mm]: 992.7 x 457 x 218mm
Dimension in Shiping (W x H x D) [mm]: 1143 x 301 x 550mm
Weight with Stand [kg]: 13.5Kg
Weight without Stand [kg]: 8.9Kg
Weight in Shipping [kg]: 18.9Kg

DISPLAY
Resolution 3440 x 1440p (WQHD)
Refresh Rate 240Hz
Response 0.03ms GTG
Aspect Ratio 21:9
Contrast Ratio 1500000:1
Panel Type OLED
Brightness 250 cd/m²
FEATURES
G-Sync / Free-Sync Both
Audio | Speakers 7W x 2
HDR DisplayHDR™400 TRUE BLACK
Ports D-Sub: NO DVI-D: NO HDMI: YES(2ea) DisplayPort: YES(1ea) DP Version: 1.4 (DSC) Thunderbolt: NO USB-C: YES(1ea) USB-C (Max. Resolution at Hz): 3440x1440@240Hz USB-C (Data Transsmission): YES USB-C (Power Delivery): 65W Daisy Chain: NO USB Upstream Port: YES(via USB-C) USB Downstream Port: YES(2ea/ver2.0) Built-in KVM: NO LAN (RJ-45): YES SPDIF out (Optical Digital Audio Out): NO Audio In: NO Mic In: NO Headphone out: 3-pole (Sound Only) Line out: NO
PHYSICAL
Dimensions (WxDxH) 992.7 x 338.6 x 661.7 mm with stand at max height
Weight 13.5 kg with stand
VESA Mounting No
Colour Black

Condition

The item in this listing is:


Brand New

New, unopened, and unused products with full warranty and support.

Open Box

‘Open Box’ means that the item cannot be sold as new – a mix of cancelled, undelivered orders, and warranty replacement products.

  • Box has been opened but device has never been used.
  • Item is in ‘as new’ condition, may have the odd minor handling mark.
  • Most likely retail packaging or may be in replacement box.
  • 12 Month Collect and Return Warranty* (Manufacturer/ TEKshop).

Refurbished Products

Love technology but hate the cost? Then why not consider a refurbished device for your next purchase? Not only will you be helping to save the environment, but you'll also be saving some money!

Refurbished products offer the same reliability and performance as new products, but for a lower price. Many customers choose to buy refurbished, as it's a great way to do your bit for the planet without giving up the things you love. And the icing on the cake? You're also covered by a minimum 12 month warranty on all products. It pays to go green!

Grade A - Excellent

‘Grade A’ means that the item is in excellent condition – a mix of ex-display, up-to 14-day customer returns and slightly imperfect products.


  • Professionally Refurbished; inspected, cleaned, and tested by a qualified technician.
  • Item is in excellent condition, likely will only have minor marks.
  • May have retail packaging or may be in replacement box.
  • 12 Month Collect and Return Warranty* (Manufacturer/TEKshop).

Grade B - Very Good

‘Grade B’ means that the item is in very good condition - a mix of ex-demo, up-to 30-day customer returns and imperfect products.


  • Professionally Refurbished; inspected, cleaned, and tested by a qualified technician.
  • Item is in very good condition, will have visible marks and scratches.
  • May have retail packaging or may be in replacement box.
  • 12 Month Return to Base Warranty** (TEKshop)

Grade C - Good

‘Grade C’ means that the item is in good condition - a mix of ex-demo, up-to 60-day customer returns and minor damaged products.


  • Professionally Refurbished; inspected, cleaned, and tested by a qualified technician.
  • Item is in good condition, will have moderate marks and scratches.
  • May have retail packaging or may be in replacement box.
  • 12 Month Return to Base Warranty** (TEKshop).

Types of Warranty

*Collect and Return – In the case of a claim under warranty, TEKshop or the Manufacturer will arrange collection and once the repair is completed, they will return it back to you. This will be at the expense of TEKshop or the Manufacturer.

** Return To Base – In the case of a claim under warranty, you will be responsible for returning the device back to TEKshop, at your expense. TEKshop will then carry the repair and return the device back to you. The return shipping will be at the expense of TEKshop.

*** All PC Components and Accessories will have Return To Base Warranty.

All graded items only include essential accessories. In most cases, just a charger.

ISO 13406-2 Pixel Policy Applies on refurbished products (1-2 dead pixels acceptable)

Here at TEKshop, we have devised an accurate grading policy to ensure we deliver products to our customers with clear and concise information on their condition, both physically and functionally. Please take a moment to review our gradings.

Green Brand New Grading Badge Icon Brand New

  • Sealed item
  • Original retail packaging
  • 12 Month manufacturer warranty
  • Backed up with 12 month TEKshop collect and return warranty

Blue Open Box Grading Badge Icon Open Box

  • Box has been opened but goods are in 'like-new' condition
  • Original retail packaging / OEM box
  • Casing may have very minor handling marks from inspection
  • 12 Month collect and return warranty from manufacturer or TEKshop

Orange Grade A Grading Badge Icon Grade A

  • Device will be in excellent condition with minimal, to no, signs of use
  • May have light scratches/marks/blemishes
  • Fully functional and updated to the latest operating system/firmware
  • Professionally refurbished (tested, inspected and cleaned) by qualified specialist
  • Original accessories, may come in generic packaging
  • 12 month collect and return warranty from manufacturer or TEKshop

Red Grade B Grading Badge Icon Grade B

  • Device will be in good condition with signs of usage
  • May have visible scratches/marks/blemishes
  • Fully functional and updated to the latest operating system/firmware
  • Professionally refurbished (tested, inspected and cleaned) by qualified specialist
  • Original accessories, may come in generic packaging
  • 12 month return to base warranty from TEKshop

Warranty

We stand by our products!

All of our products are covered by a warranty unless stated otherwise on the listing (usually under the conditions tab. This warranty covers manufacturing defects and hardware faults that arise within the first 6-12 months of ownership.

All orders are posted with a VAT invoice in the box showing the date of purchase, price and VAT details. Please keep this invoice safe as it is sometimes required for warranty claims. You are of course welcome to contact us for a replacement invoice if needed, and we can also email copies if you would like a digital version.

Please note: Any item delivered damaged must be reported to us within 48 hours of receipt.

In the event of a fault developing in the first 14 days of receiving your purchase, please get in touch with us as soon as possible, we will help you with troubleshooting and resolving the issue. If a fault develops after 30 days, you will need to get in touch with the manufacturer to open a warranty claim. This will usually involve letting them know what has gone wrong and they will arrange for the issue to be rectified for you. If for any reason the manufacturer rejects the warranty claim, or you have any other difficulties please contact us and we will be more than happy to help.