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[2026] Alienware 18 Area-51 [Mechanical Keyboard] 18" QHD+ 300Hz, 2.7 GHz Ultra 9-290HX, RTX 5090, 128 GB DDR5 RAM, 4 TB PCIe SSD, Windows 11 Home
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Memory|SSD:
128 GB DDR5|4 TB PCIe SSD
128 GB DDR5|1 TB PCIe SSD
128 GB DDR5|16 TB PCIe SSD
128 GB DDR5|2 TB PCIe SSD
128 GB DDR5|24 TB PCIe SSD
128 GB DDR5|4 TB PCIe SSD
128 GB DDR5|8 TB PCIe SSD
64 GB DDR5|1 TB PCIe SSD
64 GB DDR5|16 TB PCIe SSD
64 GB DDR5|2 TB PCIe SSD
64 GB DDR5|24 TB PCIe SSD
64 GB DDR5|4 TB PCIe SSD
64 GB DDR5|8 TB PCIe SSD
96 GB DDR5|1 TB PCIe SSD
96 GB DDR5|16 TB PCIe SSD
96 GB DDR5|2 TB PCIe SSD
96 GB DDR5|24 TB PCIe SSD
96 GB DDR5|4 TB PCIe SSD
96 GB DDR5|8 TB PCIe SSD
Display|Operating System:
Windows 11 Home
Windows 11 Home
Windows 11 Pro
Intel Core Arrow Lake Ultra 9-290HX Plus 24 Core - 24 Thread Processor, 2.7 GHz (Max Turbo Frequency 5.5 GHz), 36 MB Smart Cache with NVIDIA GeForce RTX 5090 w/ 24GB GDDR7
18", WQXGA, 300Hz, 500 nits, 100% DCI-P3, Advanced Optimus, ComfortView Plus, G-SYNC, FHD Cam
4 TB (2 x 2 TB) M.2 PCIe 4.0 x4 NVMe SSD
128 GB (2 x 64 GB) DDR5 5600MHz dual channel system memory (Speeds subject to system capability)
Operating System: Windows 11 Home. Mechanical Keyboard
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Overview
Specs
Reviews
Alienware 18 Area-51 - 18" QHD+ 300Hz - Ultra 9-290HX Plus - RTX 5090 - Mechanical Keyboard
Learn more about the DELL AW-18A51-useaa18250wmlkcto01-2
Model
Brand
Alienware
Series
Alienware 18 Area-51
Model
AW-18A51-useaa18250wmlkcto01-2
Part Number
AW-18A51-useaa18250wmlkcto01-2-15
Quick Info
Color
Liquid Teal
Operating System
Windows 11 Home
CPU
Intel Core Ultra 9-290HX
Screen
18" QHD+
Memory
128 GB DDR5
Storage
4 TB M.2 PCIe 4.0 x4 NVMe SSD
Graphics Card
NVIDIA® GeForce® RTX 5090
Video Memory
24 GB GDDR7
Communication
WLAN and Bluetooth
Dimensions (W x D x H)
16.14" x 12.59" x 0.95"
Weight
9.56 lb
CPU
CPU Type
Intel Core Ultra 9 (Series 2)
Processor Name
Intel Core Ultra 9 290HX
Number of Cores
24
Core Name
Arrow Lake
Turbo Frequency
Max Turbo Frequency 5.5 GHz
CPU L3 Cache
36 MB
Display
Screen Size
18.0"
Touchscreen
No
Display Type
WQXGA
Resolution
2560 x 1600
Refresh Rate
300Hz
Display Features
300Hz, 500 nits, 100% DCI-P3, Advanced Optimus, ComfortView Plus, G-SYNC, FHD Cam
Operating Systems
Operating System
Windows 11 Home
Graphics
GPU/VPU
NVIDIA GeForce RTX 5090 Laptop GPU
Video Memory
24GB
Graphic Type
Dedicated Card
Storage
SSD
4 TB
HDD
No
Storage Spec
4 TB (2 x 2 TB) M.2 PCIe 4.0 x4 NVMe SSD
Memory
Memory
128GB
Memory Speed
DDR5 5600MHz
Memory Spec
64 GB x 2
Memory Type
2 x SO-DIMM
Memory Slot (Total)
2
Memory Slot (Available)
0
Max Memory Supported
128GB
Communications
WLAN
Intel® Killer Wi-Fi 7 BE1750
WiFi Generation
Wi-Fi 7
Bluetooth
Bluetooth 5.4
Ports
USB
1x USB Type-A 3.2 Gen 15Gbps, 1x USB Type-A 3.2 Gen 15Gbps
Thunderbolt
2x Thunderbolt 5 ports
HDMI
1 x HDMI 2.1
Audio Ports
1x Global headset jack
Audio
Audio
Dual-array microphones; Dolby Atmos; IntelliGo noise reduction
Speaker
Realtek Smart Amplifier ALC1708 (Woofer: 2W x 2 = 4W total), RealTek amplifier ALC3329 (Tweeter: 2W x 2 = 4W total)
Input Device
Touchpad
Multi-touch gesture Premium Precision glass RGB LED AlienFX lighting touchpad with integrated scrolling
Keyboard
English US CherryMX ultra low-profile mechanical keyboard with per-key AlienFX RGB lighting
Backlit Keyboard
Backlit
Webcam
Alienware 8MP UHD HDR IR (3840 x 2160 resolution) camera with dual-array microphones and Windows Hello support
Card Reader
1x SD-card slot
General
Style
Standard
Type
Gaming & Entertainment
Usage
Consumer
Power
AC Adapter/Charger
360W power adapter
Battery
6-Cell Battery, 96 Whr (Integrated)
Dimensions & Weight
Dimensions (W x D x H)
16.14" x 12.59" x 0.95"
Weight
9.56 lb
Additional Information
First Listed on Newegg
April 12, 2026
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DELL AW-18A51-useaa18250wmlkcto01-2
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
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Return Policies
Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by
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