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Alienware 18 Area-51 U9-275HX Ultra 9 275HX + RTX 5090 24GB (X11) 64GB, 2x32GB, DDR5, 6400MT/s 2TB NVMe M.2 PCIe Gen4 SSD 18", WQXGA, 300Hz, 500 nits, 100% DCI-P3, Advanced Optimus, ComfortView Plus, G-SYNC, FHD Cam NVIDIA? GeForce RTX? 5090 24 GB GDDR7 Daughterboard Perkey KB Intel? Killer Wi-Fi 7 BE1750 (2x2 320Hz) MIMO 802.11be Wireless LAN and Bluetooth 5.4 English UK keyboard with per-key AlienFX RGB lighting 6-Cell Battery, 96 Whr (Integrated) 360W Small Form Factor Adapter Power Cord
Alienware 18 Area-51 U9-275HX Ultra 9 275HX + RTX 5090 24GB (X11) 64GB, 2x32GB, DDR5, 6400MT/s 2TB NVMe M.2 PCIe Gen4 SSD 18", WQXGA, 300Hz, 500 nits, 100% DCI-P3, Advanced Optimus, ComfortView Plus, G-SYNC, FHD Cam NVIDIA? GeForce RTX? 5090 24 GB GDDR7 Daughterboard Perkey KB Intel? Killer Wi-Fi 7 BE1750 (2x2 320Hz) MIMO 802.11be Wireless LAN and Bluetooth 5.4 English UK keyboard with per-key AlienFX RGB lighting 6-Cell Battery, 96 Whr (Integrated) 360W Small Form Factor Adapter Power Cord
- Windows 11 Home 64-bit
- Intel Core Ultra 9 275HX (36MB Cache)
- 45.7 cm (18") WQXGA 2560 x 1600 WVA, NVIDIA GeForce RTX 5090 (24GB GDDR7)
- 64GB DDR5-SDRAM (2 x 32) & 2000GB SSD
Similar Products
Overview
Alienware AA18250, Intel Core Ultra 9, 45.7 cm (18"), 2560 x 1600 pixels, 64 GB, 2 TB, Windows 11 Home
Specifications
Ports & interfaces
- USB 2.0 ports quantity
- 0
- USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
- 0
- Ethernet LAN (RJ-45) ports
- 1
- Number of USB ports with PowerShare support
- 1
- HDMI version
- 2.1
- Intel® Thunderbolt 5
- Yes
- PowerShare
- Yes
- Power adapter barrel connector
- 7.4 mm mm
- HDMI ports quantity
- 1
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 3
- Thunderbolt 5 ports quantity
- 2
- Combo headphone/mic port
- Yes
- USB Type-C DisplayPort Alternate Mode
- Yes
Keyboard
- Numeric keypad
- Yes
- Pointing device
- Touchpad
- Keyboard backlit
- Yes
- Keyboard language
- UK English
- Keyboard backlit colour
- RGB
Operational conditions
- Storage temperature (T-T)
- -40 - 65 °C °C
- Storage relative humidity (H-H)
- 0 - 95% %
- Non-operating altitude
- -15.2 - 10668 m m
- Operating shock
- 110 G G
- Non-operating shock
- 160 G G
- Operating vibration
- 0.66 G G
- Non-operating vibration
- 1.3 G G
- Operating temperature (T-T)
- 0 - 35 °C °C
- Operating relative humidity (H-H)
- 10 - 90% %
- Operating altitude
- -15.2 - 3048 m m
Weight & dimensions
- Weight
- 4.34 kg kg
- Depth
- 320 mm mm
- Height (rear)
- 3.05 cm cm
- Width
- 410 mm mm
- Height (front)
- 2.47 cm cm
Performance
- Motherboard chipset
- Intel HM870
Software
- Trial software
- Activate Your Microsoft 365 For A 30 Day Trial
- Operating system installed
- Windows 11 Home
- Operating system architecture
- 64-bit
Battery
- Number of battery cells
- 6
- Battery voltage
- 11.7 V V
- Fast charging
- Yes
- Battery capacity
- 96 Wh Wh
- Battery technology
- Lithium-Ion (Li-Ion)
- Battery recharge time
- 3 h h
- Battery weight
- 351 g g
Power
- AC adapter frequency
- 50 - 60 Hz Hz
- AC adapter input voltage
- 100 - 240 V V
- AC adapter output voltage
- 19.5 V V
- USB Power Delivery (USB PD)
- Yes
- USB Type-C charging port
- Yes
- AC adapter power
- 360 W W
Packaging content
- AC adapter included
- Yes
Display
- Panel type
- WVA
- Colour gamut
- 100% %
- Maximum refresh rate
- 300 Hz Hz
- HD type
- WQXGA
- Display technology marketing name
- ComfortView Plus
- Display diagonal
- 45.7 cm (18") cm
- Display resolution
- 2560 x 1600 pixels pixels
- Touchscreen
- No
- Anti-glare screen
- Yes
- Display brightness
- 500 cd/m² cd/m²
- Pixel density
- 168 ppi ppi
- RGB colour space
- DCI-P3
- Contrast ratio (typical)
- 1200:1
Processor
- Processor generation
- Intel Core Ultra (Series 2)
- Processor cores
- 24
- Performance cores
- 8
- Performance-core Max Turbo Frequency
- 5.4 GHz GHz
- Efficient-core base frequency
- 2.1 GHz GHz
- Processor model
- 275HX
- Processor family
- Intel Core Ultra 9
- Processor boost frequency
- 5.4 GHz GHz
- Processor manufacturer
- Intel
- Processor threads
- 24
- Efficient cores
- 16
- Efficient-core Max Turbo Frequency
- 4.6 GHz GHz
- Performance-core base frequency
- 2.7 GHz GHz
- Processor cache
- 36 MB MB
- Processor base power
- 55 W W
- Maximum turbo power
- 160 W W
Memory
- Non-ECC
- Yes
- Internal memory
- 64 GB GB
- Memory form factor
- SO-DIMM
- Memory data transfer rate
- 6400 MT/s MT/s
- Memory layout (slots x size)
- 2 x 32 GB GB
- Maximum internal memory
- 64 GB GB
- Internal memory type
- DDR5-SDRAM
- Memory slots
- 2x SO-DIMM
Storage
- Total storage capacity
- 2 TB TB
- NVMe
- Yes
- SSD form factor
- M.2
- Compatible memory cards
- SD, SDHC, SDXC
- Storage media
- SSD
- Total SSDs capacity
- 2 TB TB
- Number of SSDs installed
- 1
- SSD interface
- PCI Express 4.0
- SSD capacity
- 2 TB TB
- Optical drive type
- No
- Card reader integrated
- Yes
Neural processor unit (NPU)
- Total processor performance up to
- 36 TOPs TOPs
- Neural processor unit (NPU)
- Intel AI Boost
- NPU performance up to
- 13 TOPs TOPs
- Sparsity support
- Yes
- Windows Studio effects support
- Yes
- AI software frameworks supported by NPU
- DirectML, OpenVINO, Windows ML, ONNX RT, WebNN
- GPU performance up to
- 8 TOPs TOPs
Graphics
- Discrete graphics card model
- NVIDIA GeForce RTX 5090
- On-board GPU manufacturer
- Intel
- NVIDIA G-SYNC
- Yes
- Discrete graphics card
- Yes
- On-board graphics card
- Yes
- On-board graphics card model
- Intel® Graphics
- Discrete GPU manufacturer
- NVIDIA
- Discrete graphics card memory
- 24 GB GB
- Discrete graphics memory type
- GDDR7
- On-board graphics card family
- Intel® Graphics
Audio
- Built-in microphone
- Yes
- Number of microphones
- 2
- Audio chip
- Realtek ALC3329
- Audio system
- Dolby Atmos
- Speaker power
- 2.5 W W
- Number of built-in speakers
- 4
Design
- Form factor
- Clamshell
- Market positioning
- Gaming
- Product type
- Laptop
- Product colour
- Black
Camera
- Front camera resolution
- 1920 x 1080 pixels pixels
- Front camera HD type
- Full HD
- Video capturing speed
- 30 fps fps
- Infrared (IR) camera
- Yes
- Front camera
- Yes
- Front camera resolution (numeric)
- 2.07 MP MP
Network
- Mobile network connection
- No
- Wi-Fi standards
- 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be)
- Wi-Fi band
- Tri-band (2.4 GHz / 5 GHz / 6 GHz)
- Wi-Fi data rate (max)
- 2400 Mbit/s Mbit/s
- Top Wi-Fi standard
- Wi-Fi 7 (802.11be)
- WLAN controller model
- Killer Wi-Fi 7 BE1750
- Ethernet LAN
- Yes
- Bluetooth
- Yes
- MIMO type
- Multi User MIMO
- Antenna type
- 2x2
- WLAN controller manufacturer
- Killer
- Ethernet LAN data rates
- 5000 Mbit/s Mbit/s
- MIMO
- Yes
The new performance precedent
Alienware Area-51 gaming laptops are engineered for maximum power, packed with innovation, and encased in otherworldly design. By fusing an advanced thermal strategy, increasing airflow and elevating power with Intel® Core™ Ultra HX processors and NVIDIA® GeForce RTX™ 50 Series Laptop GPUs, we're bringing alien-class performance to the most passionate gamers.
Supercharged data stream
Multitasking for Gamers and Creators
With two SO-DIMM slots designated for DDR5 system memory, Area-51 laptops can support up to 64GB of memory. This amount exceeds the needs of a majority of popular games but can assist gamers who create where multiple applications may need to be ran at the same time such as video editing, streaming, and playing large scale games simultaneously.
Storage that keeps up
Area-51 is the first Alienware laptop to support up to Gen 5 SSD storage which is capable of improving read speeds by up to 84% and write speeds by up to 75% over the average performance of various Gen 4 SSDs. Bringing you the latest in storage and performance to run games and work faster than ever before.
With two SO-DIMM slots designated for DDR5 system memory, Area-51 laptops can support up to 64GB of memory. This amount exceeds the needs of a majority of popular games but can assist gamers who create where multiple applications may need to be ran at the same time such as video editing, streaming, and playing large scale games simultaneously.
Storage that keeps up
Area-51 is the first Alienware laptop to support up to Gen 5 SSD storage which is capable of improving read speeds by up to 84% and write speeds by up to 75% over the average performance of various Gen 4 SSDs. Bringing you the latest in storage and performance to run games and work faster than ever before.
Performance Driven Thermals
Marathon gaming requires absolute power. Our advanced cooling technology, Alienware Cryo-tech™, is designed to maintain system stability even during the most demanding sessions.
Quad fans
Helps increase total airflow and pressurises the chassis, keeping even the most aggressive hotspots properly cooled.
More copper, less heat
With up to 48% more copper in weight than our previous 18" laptops and a vapor chamber that is 4x larger the Alienware 18 Area-51 dynamically balances heat across up to 7 heat pipes making it our most performance forward 18" laptop to date.
Element 31 thermal interface
Encapsulated gallium-silicone across the CPU, dissipates heat fast, allowing you to take on marathon gaming sessions with ease.
Quad fans
Helps increase total airflow and pressurises the chassis, keeping even the most aggressive hotspots properly cooled.
More copper, less heat
With up to 48% more copper in weight than our previous 18" laptops and a vapor chamber that is 4x larger the Alienware 18 Area-51 dynamically balances heat across up to 7 heat pipes making it our most performance forward 18" laptop to date.
Element 31 thermal interface
Encapsulated gallium-silicone across the CPU, dissipates heat fast, allowing you to take on marathon gaming sessions with ease.
Bringing comfort to the forefront
Our new Area-51 laptops combine mystery and otherworldly design with fluid contours and soft surfaces that inspires comfortable gameplay for hours.
Contours
Fluid design contours with thoughtful edges provide enhanced tactile feeling.
V-Rail edges
Easy and comfortable open and closing for the lid of your laptop.
Pillowed palm rest
Seamless pillowed palm rest redefines comfort during any gaming session.
Zero hinge innovation
A more robust closure and nearly invisible hinge creates a floating display. Engineered for strength and sophistication this patent pending design drives motion in the radial direction and telescopes out, enabling an adaptive rear design that features translucent materials and new AlienFX lighting.
Advanced dynamic lighting
Ambient AlienFX lighting inspired by the aurora borealis takes on colour and movement which reflects across surfaces to create an otherworldly experience. The masterful layering of materials marks a new level of technical ability and design sophistication.
Contours
Fluid design contours with thoughtful edges provide enhanced tactile feeling.
V-Rail edges
Easy and comfortable open and closing for the lid of your laptop.
Pillowed palm rest
Seamless pillowed palm rest redefines comfort during any gaming session.
Zero hinge innovation
A more robust closure and nearly invisible hinge creates a floating display. Engineered for strength and sophistication this patent pending design drives motion in the radial direction and telescopes out, enabling an adaptive rear design that features translucent materials and new AlienFX lighting.
Advanced dynamic lighting
Ambient AlienFX lighting inspired by the aurora borealis takes on colour and movement which reflects across surfaces to create an otherworldly experience. The masterful layering of materials marks a new level of technical ability and design sophistication.
Advanced features tailored to gamers
Uniquely engineered to reflect the limitless possibilities within.
Unapologetic power
Area-51 was intentionally designed to reach new performance horizons by enabling higher graphics and processor power limits. This Total Performance Power (TPP) can reach up to 280W in our Alienware 18 Area-51. With more power provided to the silicon components, gamers can run their games on the highest settings, making this our most powerful 18" gaming laptop yet.
Up to 280W
Total Performance Power is the combined maximum of TGP and TDP, enhancing overall performance across all you do.
Up to 175W
Total Graphics Power means higher GPU performance with more realistic gameplay.
Up to 280W
Total Performance Power is the combined maximum of TGP and TDP, enhancing overall performance across all you do.
Up to 175W
Total Graphics Power means higher GPU performance with more realistic gameplay.
Game changing graphics
Step into the future of gaming and creation with NVIDIA® GeForce RTX™ 50 Series Laptop GPUs, powered by NVIDIA Blackwell and AI. Designed to push boundaries, RTX 50 Series with NVIDIA Max-Q delivers optimised battery life and performance and jaw-dropping graphics fidelity—perfect for those who demand the extraordinary on the go.
Ray Tracing Redefined
Experience cinematic realism with full ray tracing and breakthrough neural rendering technologies. From stunning light reflections to intricate shadows, your in-game world looks better than ever.
AI-Boosted Gameplay
Unleash next-level performance and image quality with DLSS 4. Achieve ultra-smooth frame rates with Multi Frame Generation and enhanced Ray Reconstruction.
Competitive Advantage
Compete faster with NVIDIA® Reflex 2 technology featuring Frame Warp, which further reduces latency based on the game’s latest mouse input.
Unparalleled Video Playback
The RTX 50 Series redefines how you enjoy your favourite movies, shows and videos. With advanced AI-powered upscaling and buttery-smooth playback, immerse yourself in vibrant colours, stunning clarity and flawless streaming.
Immersive Entertainment
Rethink how you stream, chat or create content with NVIDIA Broadcast’s advanced AI enhancements. Clear your audio, upgrade your video, and craft your AI-powered home studio effortlessly.
Ray Tracing Redefined
Experience cinematic realism with full ray tracing and breakthrough neural rendering technologies. From stunning light reflections to intricate shadows, your in-game world looks better than ever.
AI-Boosted Gameplay
Unleash next-level performance and image quality with DLSS 4. Achieve ultra-smooth frame rates with Multi Frame Generation and enhanced Ray Reconstruction.
Competitive Advantage
Compete faster with NVIDIA® Reflex 2 technology featuring Frame Warp, which further reduces latency based on the game’s latest mouse input.
Unparalleled Video Playback
The RTX 50 Series redefines how you enjoy your favourite movies, shows and videos. With advanced AI-powered upscaling and buttery-smooth playback, immerse yourself in vibrant colours, stunning clarity and flawless streaming.
Immersive Entertainment
Rethink how you stream, chat or create content with NVIDIA Broadcast’s advanced AI enhancements. Clear your audio, upgrade your video, and craft your AI-powered home studio effortlessly.
Intelligent processing
Intel® Core™ Ultra HX processors integrate CPU, built-in GPU, and NPU into a single package designed for AI acceleration and balanced performance across your favourite things to do.
CPU
Ensures everything runs smoothly and as expected; like controlling non-player characters, calculating realistic physics, translating a button press into an action, and triggering sound effects at the right time in the game.
NPU
Uses AI with compatible livestreaming software to remove your background thus offloading this performance demand from the CPU or GPU.
iGPU
Delivers graphics rendering capabilities and imagery editing power at home and on the go.
CPU
Ensures everything runs smoothly and as expected; like controlling non-player characters, calculating realistic physics, translating a button press into an action, and triggering sound effects at the right time in the game.
NPU
Uses AI with compatible livestreaming software to remove your background thus offloading this performance demand from the CPU or GPU.
iGPU
Delivers graphics rendering capabilities and imagery editing power at home and on the go.
Next-gen hardware in every aspect
Incredible Battery
A new, larger, 96WHr Lithium Ion battery enables fast charging and uses Alienware Battery Defender technology to optimise power consumption while monitoring its own temperature with the intent to prolong lifespan. The Alienware 18 Area-51 can deliver up to 6 hours and 43 minutes of battery life.
Powerful Webcam
Up to a new 8MP 4K HDR webcam delivers incredible resolution and clarity. The included HDR technology also helps improve dynamic range to manage when bright light sources are in frame.
Superior Wi-Fi
Area-51 laptops come standard with Wi-Fi 7 technology ensuring high peak rates and low latency across multiple connections.
Versatile Thunderbolt
New Thunderbolt™ 5 technology provides the best connectivity to all your external devices supporting up to dual 4K displays at 240Hz and up to 120Gbps of data throughput. Additionally, they can also charge devices with up to 15W of power output each.
Smart Power
Designed for portability and high performance we've designed a more compact and capable power adaptor.
A new, larger, 96WHr Lithium Ion battery enables fast charging and uses Alienware Battery Defender technology to optimise power consumption while monitoring its own temperature with the intent to prolong lifespan. The Alienware 18 Area-51 can deliver up to 6 hours and 43 minutes of battery life.
Powerful Webcam
Up to a new 8MP 4K HDR webcam delivers incredible resolution and clarity. The included HDR technology also helps improve dynamic range to manage when bright light sources are in frame.
Superior Wi-Fi
Area-51 laptops come standard with Wi-Fi 7 technology ensuring high peak rates and low latency across multiple connections.
Versatile Thunderbolt
New Thunderbolt™ 5 technology provides the best connectivity to all your external devices supporting up to dual 4K displays at 240Hz and up to 120Gbps of data throughput. Additionally, they can also charge devices with up to 15W of power output each.
Smart Power
Designed for portability and high performance we've designed a more compact and capable power adaptor.
Get your game on
Play hundreds of PC games, and day one blockbusters with your new Alienware PC and PC Game Pass — including EA play. With new games added all the time, there’s always something new to play.
Introducing the Cryo-Chamber
Developed by our engineers, Area-51’s new Cryo-Chamber structure, located at the bottom of the laptop, focuses air to the core components where it matters the most. The Cryo-Chamber props up the laptop and introduces a much larger air intake, promoting increased airflow, and features a clear Gorilla Glass panel providing a view of the AlienFX fans. This structure, combined with more copper and bigger fans than ever before, enable a higher power ceiling, up to 280W TPP, without raising acoustics.
Alienware Elite Care
Next-Level Gaming Support
We know gaming. Talk directly to our elite Alienware support experts, anytime.
Support Essential
Accidents happen. Alienware Elite Care includes Accidental Damage Service for fast and seamless repairs due to drops, spills and electrical surges.
SupportAssist Technology
Your personal wingman to keep you gaming at peak performance – predicting and resolving issues before they occur.
We know gaming. Talk directly to our elite Alienware support experts, anytime.
Support Essential
Accidents happen. Alienware Elite Care includes Accidental Damage Service for fast and seamless repairs due to drops, spills and electrical surges.
SupportAssist Technology
Your personal wingman to keep you gaming at peak performance – predicting and resolving issues before they occur.
Total Command
Control more than ever with Alienware Command Center.
Convenient presets
Maximise your gameplay with performance presets for the power you need, no matter what you're doing.
Performance overlay
Manage and see CPU, GPU, memory and thermals stats without exiting the game.
AlienFX
Customise your set up with lighting settings that extend to all your Alienware accessories, as well as key binds and calibration.
AlienVision
Toggle external Alienware monitor hardware-based overlays on/off to help you focus on the targets at hand.
Convenient presets
Maximise your gameplay with performance presets for the power you need, no matter what you're doing.
Performance overlay
Manage and see CPU, GPU, memory and thermals stats without exiting the game.
AlienFX
Customise your set up with lighting settings that extend to all your Alienware accessories, as well as key binds and calibration.
AlienVision
Toggle external Alienware monitor hardware-based overlays on/off to help you focus on the targets at hand.
Make everyday easier
Windows 11 comes with a modern design and multitasking tools to help you make everyday easier.
Windows Copilot Key
With one click, you have instant access to Copilot in Windows – Your own personal AI assistant. Get real answers, inspiration and solutions at your fingertips.
Customer Reviews
Authorised Technology Partners
All Verified
Authorised Reseller of
Dell TechnologiesLenovoIntelHPEDell+ more