Samsung 77" OLED S99H 4K AI Smart TV | QE77S99HATXXU
interest free payments of
Late fees apply.
Delivery to
Delivery
Collect from
Click & Collect
Collect in store
Nearest store with stock
Nearest store with stock
Available services
TV Wall Mount Installation
TV Stand Installation
Description
Claim £600 Cashback when you buy this Samsung Product.
Check out the video:
OLED Brilliance, Beautifully Designed
Check out the video:
Intelligent 4K Processing with AI Upscaling: NQ4 AI Gen3 Processor
Experience powerful 4K AI enhancements to your entertainment. Soak in sharpened scene-by-scene upscaling that uses 128 neural networks to optimise both picture and sound. From streaming to sports, watch in enhanced brightness, depth, contrast, motion, sound and resolution, for a truly exceptional 4K experience.[1]
Compared to 2026 Neo QLED 4K TVs with NQ4 AI Processor
- Up to: 2.0x faster NPU
- Up to: 4.2X faster GPU
- Up to: 67% foster CPU
Picture Quality
No Compromise on Clear Viewing: Glare Free with Real Black & Real Colour
Experience pure blacks and vivid colour without distraction. Samsung’s Glare-Free technology minimises glare, Real Black adds depth, and Pantone-certified Real Colour delivers lifelike tones, so movies, sports, and games look exactly as they should, day or night.[2]
Check out the video:
Samsung Brightest OLED TV Yet: OLED HDR Pro
Discover the true beauty in every scene, just as directors intended. With cutting-edge OLED HDR Pro, this TV unveils Samsung brightest OLED highlights, impeccable blacks, and remarkable contrast - drawing you fully into the lifelike picture.
True Blacks and Bright Whites, Powered by Self-emissive Pixels
OLED
Experience real-world colours and cutting contrasts with Samsung OLED. OLED technology allows each pixel to be individually controlled - creating pure blacks, bright whites and epic contrast.
More about Picture Quality
Samsung Smoothest Motion: Al Motion Enhancer Pro
Al understands what's important on screen, smoothing fast movement so your eyes never struggle to keep up. Whether it's the score, the ball, or fast paced action, everything stays clear, helping you stay fully absorbed.
Ultra-smooth Motion Up to 165Hz: Motion Xcelerator 165Hz
Enjoy ultra-smooth gameplay on Xbox, PS5 and all your favourite next-gen consoles and PC games with up to 165Hz motion. Make the most of lag-free gaming with ultra-responsive motion, perfect for fast-paced games on your TV with smooth, clear visuals.[3]
SmartThings
One Place. All Your Smart Devices: SmartThings
Connect and control all your smart devices from your TV and phone[4]. Program your smart heating, set your smart washer, get alerts when your food is ready, monitor your video doorbell! Make life easier for all your smart device routines with the simplicity of the SmartThings app.[5]
One UI Tizen
Tailored Recommendations from Your Favourite Apps: Smart TV Powered by Tizen OS
Spend less time searching and more time watching. With Netflix, HBO Max, Disney+, YouTube, Xbox and more, get personalised recommendations and instant access to the latest shows and movies on the best streaming apps. Plus access to 1,000s of extra TV Shows and Movies on Samsung TV Plus - all for free.[6]
Gaming Experience
Play Smoother, React Faster, Game Bigger: Ultimate Gaming Pack
Built for smooth, responsive gaming. Enjoy fluid motion, ultra-low latency and tear-free gaming with Motion Xcelerator 165Hz, NVIDIA G-SYNC and AMD FreeSync Premium Pro - so every move feels fast, smooth and in sync.[7]
Check out the video:
Sound
Get Wrapped Up in 8-speaker Cinematic Sound: Dolby Atmos
Bring the sound of cinema into your home. With 8 built- in speakers, your TV creates immersive sound that surrounds you from every angle. Immerse yourself in your favourite movies and must-see releases with sound that pulls you into the moment. Don't just see the action - feel it.
Sound, Tailored to You: Al Sound
Experience sound that adapts to what you're watching, and where you're watching it. From Adaptive Sound Pro that adjusts to your room and optimises audio for your content, to Active Voice Amplifier that enhances dialogue to combat background noise and distractions. Enjoy perfectly balanced audio, every time.
Notes:
1. NQ4 AI Gen3 Processor & 4K AI Upscaling Pro: Upscaling may not apply to PC Connection and Game Mode.
2. Glare Free with Real Black and Real Colour: Measured against Unified Glare Rating (UGR) testing standard, validated as 'Glare Free' by UL. Verified ‘Real Black' performance by VDE.
3. Motion Xcelerator 165Hz: 4K 165Hz is only available with PC connected content. Supports VRR/4K@120Hz.
4. Secured by Knox: Applies to Samsung TVs powered by Tizen, launched since 2015. Security software update is guaranteed for at least three years from product launch. Latest software update is required. Compatible devices must be connected to Samsung TV via SmartThings.
5. SmartThings: Requires Samsung Account, SmartThings app, Internet connection, and SmartThings enabled devices.
6. Smart TV powered by Tizen OS: Samsung account required to access Samsung network-based smart services and apps. Subscriptions required. Some apps may not be available at launch. 3rd party content providers may remove apps from the Smart TV platform or stop updating them at any time.
7. Ultimate Gaming Pack: Viewing experience may vary according to types of content and graphics processing unit, as well as network connection speeds and ping levels when gaming on the cloud. NVIDIA G-SYNC compatibility requires connection to a compatible NVIDIA graphics card and may require enabling VRR settings in both the TV and GPU driver settings. Performance may vary depending on system configuration.
What's in the Box:
- Slim fit wall-mount support
- Full motion slim wall mount support (Y22)
- Webcam support
- Zigbee / thread module: Built-in
- Power cable
Product Features:
- Audio pre-selection descriptor
- Far-field voice interaction
- Super ultra wide game view
- Analog tuner
- Anynet+ (HDMI-CEC)
- Zoom menu and text
- Audio subtitles
- Auto power saving
- Auto power off
Specs
General
- Brand Samsung
- Product Category Smart TVs
- Product Type Smart TV
- Product Specific Colour Slate Black
- Colour Black
TV Features
- Key Features Magnification, Accessibility remote, Eco sensor, Colors inversion, Grayscale
- TV Size 77"
- Image Quality HDR
- Digital Tuner 2 x DVB-T2CS2
- Additional Features TV Key Support, IP Control, EPG, Art Store
Display
- Display Feature Glare Free Anti Reflection
- Picture Resolution HD Ready
- Screen Type OLED
- Display Screen Size 77"
- Screen Size 75" and above
- Screen Technology OLED
- Screen Resolution 3840 × 2160px
- Aspect Ratio 16:9
- Refresh Rate 100 Hz
Video
- Video Format HDR 10+
- Motion Clarity 165 Hz
- Video Definition 4K
Audio
- Audio Decoding Format Dolby Atmos
- Audio Features Samsung Q-Symphony, 360 Audio, Audio Pre-selection Descriptor
- Number of Speakers 8
- Surround Mode Yes
Platform
- Compatibility Alexa
- Operating System Tizen
Power
- Annual Power Consumption 139 kWh
- Frequency 50-60 Hz
- Power 100 W
- Power Source Mains
- Voltage 220-240 V
Certifications
- Energy Rating E
Dimensions (Box)
- Height 1167 mm
- Width 1930 mm
- Depth 170 mm
Dimensions (With stand)
- Width 1782.6 mm
- Depth 319.9 mm
- Height 1089.6 mm
- Weight 32.2 kg
Dimensions (w/o stand)
- Width 1782.6 mm
- Depth 26.6 mm
- Height 1049.6 mm
- Weight 31.7 kg
Warranty
- Warranty 12 months
Delivery
We offer a comprehensive nationwide (excluding Republic of Ireland) delivery service; we aim to deliver all orders as quickly as possible.
| Item Type | Delivered In | Delivered By |
|---|---|---|
| Small Items | 2 Working days | DPD |
| Large Electrical Appliance | 3-5 Working days | Independent transport company |
| Furniture & Bedding | 3-5 Working days | Independent transport company |
Please note: if you have ordered furniture and bedding products that involve a lead time, are customised or made to measure, we will contact you to discuss delivery.
Free Click & Collect In Store
Can't wait for delivery or don't want to pay additional delivery charges? It's incredibly simple to collect your online order in store and get your hands on your product quickly and easily. Simply select the Click & Collect option and head to your nearest Harvey Norman store to collect your order.
- During checkout, select “Click & Collect” and select your preferred store.
- After your order is placed, you will receive an order acknowledgement email with your order number.
- Once the store has confirmed your order and reserved the stock, you will receive an email to inform you that your order is "Ready for collection". If you want to use "Contactless Click & Collect" select this option on this email. Please Note: Some large items are held in an off-site warehouse. We will notify you of the collection location in your Ready for Pickup email.
- Bring your order number to the store you selected for Click & Collect, along with photo ID and the credit card you used to make the order.
- Speak to one of our staff and your order should be processed in minutes.
- If availing of Contactless Click & Collect, please click the link in your email "ready to pick up" to let the store know you are on your way. When you have parked in the designated parking bay, open your email, and choose the "I'm here" option and a member of staff will bring your purchase out to your car.
Easy returns
Store Purchases: For all items purchased from a physical store, please return to your local Harvey Norman Store. Please see Terms & Conditions here.
Online Purchases: For all items purchased via our Online Store (website), please fill out our Contact Form where our team can guide you through the process.
Description
Description
Claim £600 Cashback when you buy this Samsung Product.Check out the video:
OLED Brilliance, Beautifully Designed
Check out the video:
Intelligent 4K Processing with AI Upscaling: NQ4 AI Gen3 Processor
Experience powerful 4K AI enhancements to your entertainment. Soak in sharpened scene-by-scene upscaling that uses 128 neural networks to optimise both picture and sound. From streaming to sports, watch in enhanced brightness, depth, contrast, motion, sound and resolution, for a truly exceptional 4K experience.[1]
Compared to 2026 Neo QLED 4K TVs with NQ4 AI Processor
- Up to: 2.0x faster NPU
- Up to: 4.2X faster GPU
- Up to: 67% foster CPU
Picture Quality
No Compromise on Clear Viewing: Glare Free with Real Black & Real Colour
Experience pure blacks and vivid colour without distraction. Samsung’s Glare-Free technology minimises glare, Real Black adds depth, and Pantone-certified Real Colour delivers lifelike tones, so movies, sports, and games look exactly as they should, day or night.[2]
Check out the video:
Samsung Brightest OLED TV Yet: OLED HDR Pro
Discover the true beauty in every scene, just as directors intended. With cutting-edge OLED HDR Pro, this TV unveils Samsung brightest OLED highlights, impeccable blacks, and remarkable contrast - drawing you fully into the lifelike picture.
True Blacks and Bright Whites, Powered by Self-emissive Pixels
OLED
Experience real-world colours and cutting contrasts with Samsung OLED. OLED technology allows each pixel to be individually controlled - creating pure blacks, bright whites and epic contrast.
More about Picture Quality
Samsung Smoothest Motion: Al Motion Enhancer Pro
Al understands what's important on screen, smoothing fast movement so your eyes never struggle to keep up. Whether it's the score, the ball, or fast paced action, everything stays clear, helping you stay fully absorbed.
Ultra-smooth Motion Up to 165Hz: Motion Xcelerator 165Hz
Enjoy ultra-smooth gameplay on Xbox, PS5 and all your favourite next-gen consoles and PC games with up to 165Hz motion. Make the most of lag-free gaming with ultra-responsive motion, perfect for fast-paced games on your TV with smooth, clear visuals.[3]
SmartThings
One Place. All Your Smart Devices: SmartThings
Connect and control all your smart devices from your TV and phone[4]. Program your smart heating, set your smart washer, get alerts when your food is ready, monitor your video doorbell! Make life easier for all your smart device routines with the simplicity of the SmartThings app.[5]
One UI Tizen
Tailored Recommendations from Your Favourite Apps: Smart TV Powered by Tizen OS
Spend less time searching and more time watching. With Netflix, HBO Max, Disney+, YouTube, Xbox and more, get personalised recommendations and instant access to the latest shows and movies on the best streaming apps. Plus access to 1,000s of extra TV Shows and Movies on Samsung TV Plus - all for free.[6]
Gaming Experience
Play Smoother, React Faster, Game Bigger: Ultimate Gaming Pack
Built for smooth, responsive gaming. Enjoy fluid motion, ultra-low latency and tear-free gaming with Motion Xcelerator 165Hz, NVIDIA G-SYNC and AMD FreeSync Premium Pro - so every move feels fast, smooth and in sync.[7]
Check out the video:
Sound
Get Wrapped Up in 8-speaker Cinematic Sound: Dolby Atmos
Bring the sound of cinema into your home. With 8 built- in speakers, your TV creates immersive sound that surrounds you from every angle. Immerse yourself in your favourite movies and must-see releases with sound that pulls you into the moment. Don't just see the action - feel it.
Sound, Tailored to You: Al Sound
Experience sound that adapts to what you're watching, and where you're watching it. From Adaptive Sound Pro that adjusts to your room and optimises audio for your content, to Active Voice Amplifier that enhances dialogue to combat background noise and distractions. Enjoy perfectly balanced audio, every time.
Notes:
1. NQ4 AI Gen3 Processor & 4K AI Upscaling Pro: Upscaling may not apply to PC Connection and Game Mode.
2. Glare Free with Real Black and Real Colour: Measured against Unified Glare Rating (UGR) testing standard, validated as 'Glare Free' by UL. Verified ‘Real Black' performance by VDE.
3. Motion Xcelerator 165Hz: 4K 165Hz is only available with PC connected content. Supports VRR/4K@120Hz.
4. Secured by Knox: Applies to Samsung TVs powered by Tizen, launched since 2015. Security software update is guaranteed for at least three years from product launch. Latest software update is required. Compatible devices must be connected to Samsung TV via SmartThings.
5. SmartThings: Requires Samsung Account, SmartThings app, Internet connection, and SmartThings enabled devices.
6. Smart TV powered by Tizen OS: Samsung account required to access Samsung network-based smart services and apps. Subscriptions required. Some apps may not be available at launch. 3rd party content providers may remove apps from the Smart TV platform or stop updating them at any time.
7. Ultimate Gaming Pack: Viewing experience may vary according to types of content and graphics processing unit, as well as network connection speeds and ping levels when gaming on the cloud. NVIDIA G-SYNC compatibility requires connection to a compatible NVIDIA graphics card and may require enabling VRR settings in both the TV and GPU driver settings. Performance may vary depending on system configuration.
What's in the Box:
- Slim fit wall-mount support
- Full motion slim wall mount support (Y22)
- Webcam support
- Zigbee / thread module: Built-in
- Power cable
Product Features:
- Audio pre-selection descriptor
- Far-field voice interaction
- Super ultra wide game view
- Analog tuner
- Anynet+ (HDMI-CEC)
- Zoom menu and text
- Audio subtitles
- Auto power saving
- Auto power off
Specifications
Specs
General
- Brand Samsung
- Product Category Smart TVs
- Product Type Smart TV
- Product Specific Colour Slate Black
- Colour Black
TV Features
- Key Features Magnification, Accessibility remote, Eco sensor, Colors inversion, Grayscale
- TV Size 77"
- Image Quality HDR
- Digital Tuner 2 x DVB-T2CS2
- Additional Features TV Key Support, IP Control, EPG, Art Store
Display
- Display Feature Glare Free Anti Reflection
- Picture Resolution HD Ready
- Screen Type OLED
- Display Screen Size 77"
- Screen Size 75" and above
- Screen Technology OLED
- Screen Resolution 3840 × 2160px
- Aspect Ratio 16:9
- Refresh Rate 100 Hz
Video
- Video Format HDR 10+
- Motion Clarity 165 Hz
- Video Definition 4K
Audio
- Audio Decoding Format Dolby Atmos
- Audio Features Samsung Q-Symphony, 360 Audio, Audio Pre-selection Descriptor
- Number of Speakers 8
- Surround Mode Yes
Platform
- Compatibility Alexa
- Operating System Tizen
Power
- Annual Power Consumption 139 kWh
- Frequency 50-60 Hz
- Power 100 W
- Power Source Mains
- Voltage 220-240 V
Certifications
- Energy Rating E
Dimensions (Box)
- Height 1167 mm
- Width 1930 mm
- Depth 170 mm
Dimensions (With stand)
- Width 1782.6 mm
- Depth 319.9 mm
- Height 1089.6 mm
- Weight 32.2 kg
Dimensions (w/o stand)
- Width 1782.6 mm
- Depth 26.6 mm
- Height 1049.6 mm
- Weight 31.7 kg
Warranty
- Warranty 12 months
Delivery & Returns
Delivery
We offer a comprehensive nationwide (excluding Republic of Ireland) delivery service; we aim to deliver all orders as quickly as possible.
| Item Type | Delivered In | Delivered By |
|---|---|---|
| Small Items | 2 Working days | DPD |
| Large Electrical Appliance | 3-5 Working days | Independent transport company |
| Furniture & Bedding | 3-5 Working days | Independent transport company |
Please note: if you have ordered furniture and bedding products that involve a lead time, are customised or made to measure, we will contact you to discuss delivery.
Free Click & Collect In Store
Can't wait for delivery or don't want to pay additional delivery charges? It's incredibly simple to collect your online order in store and get your hands on your product quickly and easily. Simply select the Click & Collect option and head to your nearest Harvey Norman store to collect your order.
- During checkout, select “Click & Collect” and select your preferred store.
- After your order is placed, you will receive an order acknowledgement email with your order number.
- Once the store has confirmed your order and reserved the stock, you will receive an email to inform you that your order is "Ready for collection". If you want to use "Contactless Click & Collect" select this option on this email. Please Note: Some large items are held in an off-site warehouse. We will notify you of the collection location in your Ready for Pickup email.
- Bring your order number to the store you selected for Click & Collect, along with photo ID and the credit card you used to make the order.
- Speak to one of our staff and your order should be processed in minutes.
- If availing of Contactless Click & Collect, please click the link in your email "ready to pick up" to let the store know you are on your way. When you have parked in the designated parking bay, open your email, and choose the "I'm here" option and a member of staff will bring your purchase out to your car.
Easy returns
Store Purchases: For all items purchased from a physical store, please return to your local Harvey Norman Store. Please see Terms & Conditions here.
Online Purchases: For all items purchased via our Online Store (website), please fill out our Contact Form where our team can guide you through the process.
Reviews
You may also like
Recently viewed
Compare
Secure Online Shopping