Dell

Dell Alienware 16X Aurora AC16251 gaming laptop 16" WQXGA Ultra 9 64/4 TB RTX 5070

The Dell Alienware 16X Aurora AC16251 is a 16-inch gaming laptop for people who need plenty of memory and storage for both gaming and work. Inside are a 24-core Intel Core Ultra 9 275HX, 64 GB of DDR5 memory, two 2 TB SSDs for 4 TB in total and an NVIDIA GeForce RTX 5070 graphics card with 8 GB of GDDR7. The battery holds 96 Wh.

  • Display: 16″ WQXGA, 2560 × 1600
  • Processor: Intel Core Ultra 9 275HX, 24 cores, 2.1–5.4 GHz
  • Memory and storage: 64 GB DDR5 5600 MHz (2 × 32 GB) + 4 TB SSD (2 × 2 TB)
  • Graphics: NVIDIA GeForce RTX 5070, 8 GB GDDR7
  • Connectivity: Wi-Fi 7 (802.11be), Bluetooth
  • Battery: 96 Wh, 6 cells
  • System: Windows 11 Pro, backlit ENG keyboard

Description

A 4 TB SSD: room for your whole game library

Storage totals 4 TB, split across two 2 TB M.2 PCIe NVMe SSDs. Big games take up a lot of space these days, and with 4 TB you do not have to delete older titles to make room for new ones. Two separate drives also let you keep the system and games on one and video projects or backups on the other. The NVMe interface means fast loading in games and when working with large files.

64 GB of memory and a 24-core processor

The Intel Core Ultra 9 275HX is a 24-core HX-series processor with a 2.1 GHz base clock and boost up to 5.4 GHz. 64 GB of DDR5 memory (2 × 32 GB, 5600 MHz) is more than gaming needs, leaving room for virtual machines, large photo libraries and video editing. With that many cores you can stream and record while you play.

RTX 5070 graphics for gaming and creative work

The NVIDIA GeForce RTX 5070 with 8 GB of GDDR7 video memory is an RTX 50-series graphics card that runs new games at 2560 × 1600 when settings are tuned where needed. The same card accelerates video encoding, 3D rendering and AI tools in applications that can use the GPU, so editing and exports do not rely on the processor alone.

A WQXGA screen in 16:10

The 16-inch screen at 2560 × 1600 has a 16:10 aspect ratio and a noticeably sharper picture than a Full HD panel. There is more vertical room than on a 16:9 display, which helps both in game interfaces and when working with documents and timelines. The manufacturer does not list the panel type, refresh rate or brightness; the screen is not touch-enabled.

A 96 Wh battery and Wi-Fi 7

The six-cell battery holds 96 Wh, which is large for a laptop and below the 100 Wh limit that applies to batteries carried on flights. On the wireless side, the laptop supports Wi-Fi 7 (802.11be), which offers high speeds and lower latency with a compatible router, as well as Bluetooth. It weighs 2.61 kg — a desktop replacement you can still take with you.

A backlit keyboard and Windows 11 Pro

The keyboard is backlit with an English (ENG) layout, so the keys are easy to find in a dim room. There is no fingerprint reader on this model. The system is Windows 11 Pro, which adds BitLocker drive encryption and Remote Desktop over the Home edition — useful if the same machine is also used for work.

Who this gaming laptop is for

Gamers with a large library who do not want to keep clearing their drive; content creators for whom 64 GB of memory and 4 TB of SSD storage give room for video projects; developers who run virtual machines; and anyone looking for an Alienware gaming laptop that handles both play and work.

Specifications

General

BrandDell
EAN2000001385586

Display

Diagonal16 "
Display2560 x 1600 pixels
HD typeWQXGA
TouchscreenNo

Processor

Processor familyIntel Core Ultra 9
Processor model275HX
Processor cores24
Processor frequency2.1 GHz
Processor boost frequency5.4 GHz

Memory

Internal memory64 GB
Internal memory typeDDR5
Memory layout (slots x size)2x32 GB
Memory clock speed5600 MHz

Storage

Total storage capacity4000 (2x2TB) GB
Solid-state drive capacity4000 GB
Storage mediaSSD
Solid-state drive interfaceM.2 PCIe NVMe SSD

Graphics

Discrete graphics adapter modelNVIDIA GeForce RTX 5070
Discrete graphics adapter memory8 GB
Discrete graphics memory typeGDDR7

Connectivity

Wi-FiYes
Wi-Fi standards802.11be
BluetoothYes

Software & security

Operating system installedWindows 11 Pro
Fingerprint readerNo

Keyboard & controls

Keyboard backlitYes
Keyboard languageEnglish

Battery & power

Battery capacity (Watt hours)96 Wh
Number of battery cells6

Dimensions & weight

Net weight2.61 kg

Questions & answers

Which keyboard layout does it have?

The keyboard has an English (ENG) layout. Other languages are added in Windows settings; the keycaps are not printed with Estonian or Russian characters.

Which ports does it have?

The manufacturer does not give a port list for this configuration. Wi-Fi 7 and Bluetooth are confirmed.

Can the memory and storage be upgraded later?

The memory is 2 × 32 GB DDR5 and the drives are M.2 PCIe NVMe SSDs. The manufacturer does not specify whether the memory sits in slots or is soldered.

How long does the battery last?

The battery capacity is 96 Wh; the manufacturer does not publish runtime in hours. For gaming on the RTX 5070, plug the laptop into the mains.

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