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Dark indigo Alienware 16-inch laptop, angular chassis, backlit keyboard visible

DELL

DELL Alienware 16X Aurora Laptop Ultra 9 290HX 16GB 2TB RTX 5070 16" 3K 240Hz Interstellar Indigo

SKU CH-WSKW-T9A72

A 16-inch 3K 240Hz laptop powered by a 24-core Intel Ultra 9 290HX and RTX 5070 graphics with 100 percent DCI-P3 colour

  • Screen size16 in (40.6 cm)
  • ProcessorIntel core ultra 9
  • Graphics processorNvidia GeForce RTX5070
  • SSD storageSSD
  • RAM type and speed5600 MHz
  • Display resolution2560 × 1600
  • Intel Ultra 9 290HX with 24 cores powers heavy workloads
  • 16-inch 3K 240Hz display with 100% DCI-P3 covers colour-critical work
  • NVIDIA RTX 5070 with gddr7 memory drives modern gaming performance
  • 16 GB DDR5 at 5600 MHz supports multitasking up to 64 GB
  • Wi-Fi 7 and 1080p RGB-IR HDR camera enable fast connectivity and secure login

16-inch 3K 240Hz Gaming Laptop

The Alienware 16X Aurora is a new 16-inch gaming laptop finished in Interstellar Indigo. It runs Windows 11 Home on an Intel Ultra 9 290HX processor with 24 cores and 16 GB of DDR5 memory at 5600 MHz. A 2 TB SSD provides primary storage while an NVIDIA GeForce RTX 5070 with 8 GB of gddr7 video memory handles graphics on a 2560x1600 LED panel at 240 Hz.

Competitive gamers and creators needing DCI-P3

The 100 percent DCI-P3 panel with G-SYNC suits competitive players and colour-critical editors who want a single portable device. Buyers who want more than 16 GB of memory from the factory or who need a larger screen should look at other configurations.

Intel Ultra 9 290HX with 24 cores

The processor delivers 24 cores for heavy multi-threaded workloads such as rendering and complex content creation. The system supports up to 64 GB of total memory for future expansion. MediaTek Wi-Fi 7 and a 1080p FHD RGB-IR HDR camera with facial recognition complete the connectivity and communication feature set.

How it compares

Measured against everything we stock in Standard Laptops & Notebooks, at today’s prices. Recalculated every night.

Price $2,046.99
Pricier than about 90% of the 32,549 comparable items (median $599.99).
Screen size 16 in (40.6 cm)
Higher than about 80% of the 32,085 comparable items (median 15.2 in).
CPU cores 24
Higher than about 99% of the 8,169 comparable items (median 8).

New to this? Buying a laptop with crypto, start to finish — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameAlienware
Model nameLAC16251-9300BLU-PUS500
Part numberLAC16251-9300BLU-PUS500
Product colorIntelstellar Indigo
Processor
ProcessorIntel core ultra 9
Processor model290HX
CPU cores24
Memory
RAM type and speed5600 MHz
Maximum supported memory64 GB
Storage
SSD storageSSD
Hard drive1 GB
Display
Screen size16 in (40.6 cm)
Display resolution2560 × 1600
Display formatLED
Graphics
Graphics processorNvidia GeForce RTX5070
Video RAMGddr7
Graphics typeDedicated
Audio & video
Web cameraFront
Connectivity
Wi-Fi802.11ax
Size & build
Product weight5.76 lb (2.61 kg)
Software
Operating systemW11 Home

Questions about this item

How do I upgrade the memory on the Alienware 16X Aurora, and what limit should I respect?

The laptop ships with 16 GB of DDR5 at 5600 MHz and supports up to 64 GB total. Open the base panel, insert matching DDR5 modules into the available slots, and ensure the combined capacity does not exceed 64 GB.

What maintenance will the cooling system need after extended gaming sessions?

Dust builds up on the internal fans and heat pipes. Every few months, power off the system, remove the bottom cover, and use compressed air to clear debris from the fan intakes and exhaust vents to maintain airflow.

At what point does the 240 Hz display stop benefiting from higher frame rates?

The panel refreshes at 240 Hz, so frames rendered above 240 fps will not appear smoother on screen. In GPU-heavy titles the RTX 5070 with 8 GB GDDR7 may hit that ceiling, making 240 Hz the practical limit.

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