Alienware AC16251 Intel Core Ultra 9 275HX Laptop 40.6 cm (16") WQXGA 32 GB DDR5-SDRAM 1 TB SSD NVIDIA GeForce RTX 5070 Wi-Fi 7 (802.11be) Windows 11 Home US International Indigo
Alienware AC16251, Intel Core Ultra 9, 40.6 cm (16"), 2560 x 1600 pixels, 32 GB, 1 TB, Windows 11 Home
| Date | Price |
|---|---|
| 26 September 2026 | £2,957 |
| 26 September 2026 | £2,464 |
| 29 September 2026 | £2,810 |
| 29 September 2026 | £2,464 |
| 2 October 2026 | £2,793 |
| 2 October 2026 | £2,793 |
Compare Alienware AC16251 Intel Core Ultra 9 275HX Laptop 40.6 cm (16") WQXGA 32 GB DDR5-SDRAM 1 TB SSD NVIDIA GeForce RTX 5070 Wi-Fi 7 (802.11be) Windows 11 Home US International Indigo prices UK
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Product Information
Alienware AC16251. Product type: Laptop, Form factor: Clamshell. Processor family: Intel Core Ultra 9, Processor model: 275HX. Display diagonal: 40.6 cm (16"), HD type: WQXGA, Display resolution: 2560 x 1600 pixels. Internal memory: 32 GB, Internal memory type: DDR5-SDRAM. Total storage capacity: 1 TB, Storage media: SSD. On-board graphics card model: Intel® Graphics, Discrete graphics card model: NVIDIA GeForce RTX 5070. Operating system installed: Windows 11 Home. Product colour: Indigo
Product
Display
- Display diagonal
- 40.6 cm (16")
- Display resolution
- 2560 x 1600 pixels
- Touchscreen
- No
- HD type
- WQXGA
- Panel type
- WVA
- Display technology marketing name
- ComfortView Plus
- Native aspect ratio
- 16:10
- Anti-glare screen
- Yes
- Display brightness
- 500 cd/m²
- Pixel density
- 189 ppi
- RGB colour space
- DCI-P3
- Colour gamut
- 100%
- Low Blue Light technology
- Yes
- Maximum refresh rate
- 240 Hz
- Contrast ratio (typical)
- 1000:1
Processor
- Processor family
- Intel Core Ultra 9
- Processor manufacturer
- Intel
- Processor model
- 275HX
- Processor generation
- Intel Core Ultra (Series 2)
- Processor cores
- 24
- Processor threads
- 24
- Processor boost frequency
- 5.4 GHz
- Performance cores
- 8
- Efficient cores
- 16
- Performance-core Max Turbo Frequency
- 5.4 GHz
- Efficient-core Max Turbo Frequency
- 4.6 GHz
- Performance-core base frequency
- 2.7 GHz
- Efficient-core base frequency
- 2.1 GHz
- Processor cache
- 36 MB
- Processor base power
- 55 W
- Maximum turbo power
- 160 W
Ports & interfaces
- USB 2.0 ports quantity
- 0
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 2
- USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
- 0
- HDMI ports quantity
- 1
- USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
- 1
- Ethernet LAN (RJ-45) ports
- 1
- HDMI version
- 2.1
- Thunderbolt 4 ports quantity
- 1
- Intel® Thunderbolt 4
- Yes
- Combo headphone/mic port
- Yes
- USB Type-C DisplayPort Alternate Mode
- Yes
Memory
- Internal memory
- 32 GB
- Maximum internal memory
- 64 GB
- Internal memory type
- DDR5-SDRAM
- Memory form factor
- SO-DIMM
- Memory layout (slots x size)
- 2 x 16 GB
- Memory slots
- 2x SO-DIMM
- Memory data transfer rate
- 5600 MT/s
- Non-ECC
- Yes
Weight & dimensions
- Weight
- 2.66 kg
- Width
- 357 mm
- Depth
- 265.4 mm
- Height (front)
- 1.92 cm
- Height (rear)
- 1.63 cm
Power
- USB Type-C charging port
- Yes
- USB Type-C required charging power (min)
- 90 W
- USB Type-C required charging power (max)
- 100 W
- AC adapter power
- 280 W
- AC adapter frequency
- 50 - 60 Hz
- AC adapter input voltage
- 100 - 240 V
- AC adapter output voltage
- 19.5 V
- DC-in jack
- Yes
- USB Power Delivery (USB PD)
- Yes
Audio
- Audio chip
- Realtek ALC3204
- Audio system
- High Definition Audio
- Number of built-in speakers
- 2
- Speaker power
- 2.5 W
- Built-in microphone
- Yes
- Number of microphones
- 2
Keyboard
- Numeric keypad
- Yes
- Pointing device
- Touchpad
- Keyboard backlit
- Yes
- Keyboard backlit colour
- RGB
- Keyboard backlit zone
- 1-zone RGB
- Keyboard language
- US International
Operational conditions
- Operating temperature (T-T)
- 0 - 35 °C
- Storage temperature (T-T)
- -40 - 65 °C
- Operating relative humidity (H-H)
- 10 - 90%
- Storage relative humidity (H-H)
- 5 - 95%
- Operating altitude
- -15.2 - 3048 m
- Non-operating altitude
- -15.2 - 10668 m
- Operating shock
- 140 G
- Operating vibration
- 0.66 G
Network
- Mobile network connection
- No
- Top Wi-Fi standard
- Wi-Fi 7 (802.11be)
- 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)
- Antenna type
- 2x2
- WLAN controller model
- MediaTek MT7925
- WLAN controller manufacturer
- MediaTek
- Ethernet LAN
- Yes
- Ethernet LAN data rates
- 10,100,1000 Mbit/s
- Bluetooth
- Yes
- MIMO
- Yes
- MIMO type
- Multi User MIMO
Software
- Operating system installed
- Windows 11 Home
- Operating system architecture
- 64-bit
- Trial software
- McAfee + Premium 1-year,Activate Your Microsoft 365 For A 30 Day Trial
Camera
- Front camera
- Yes
- Front camera resolution (numeric)
- 2.07 MP
- Front camera resolution
- 1920 x 1080 pixels
- Front camera HD type
- Full HD
- Video capturing speed
- 30 fps
- Infrared (IR) camera
- Yes
Storage
- Total storage capacity
- 1 TB
- Storage media
- SSD
- Optical drive type
- No
- Total SSDs capacity
- 1 TB
- Number of SSDs installed
- 1
- SSD capacity
- 1 TB
- SSD interface
- PCI Express 4.0
- NVMe
- Yes
- SSD form factor
- M.2
Battery
- Battery capacity
- 96 Wh
- Battery technology
- Lithium-Ion (Li-Ion)
- Number of battery cells
- 6
- Battery voltage
- 11.7 V
- Battery recharge time
- 3 h
- Fast charging
- Yes
- Battery charge indicator
- Yes
- Battery weight
- 351 g
Graphics
- On-board graphics card
- Yes
- Discrete graphics card
- Yes
- Discrete graphics card model
- NVIDIA GeForce RTX 5070
- On-board graphics card model
- Intel® Graphics
- Discrete GPU manufacturer
- NVIDIA
- Discrete graphics card memory
- 8 GB
- Discrete graphics memory type
- GDDR7
- On-board GPU manufacturer
- Intel
- On-board graphics card family
- Intel® Graphics
- NVIDIA G-SYNC
- Yes
Design
- Product type
- Laptop
- Product colour
- Indigo
- Form factor
- Clamshell
- Colour name
- Gamut
- Market positioning
- Gaming
Brand-specific features
- Brand specific technologies
- Express Charge Boost capable
Packaging content
- AC adapter included
- Yes
Neural processor unit (NPU)
- Neural processor unit (NPU)
- Intel AI Boost
- Sparsity support
- Yes
- Windows Studio effects support
- Yes
- AI software frameworks supported by NPU
- DirectML, OpenVINO, Windows ML, ONNX RT, WebNN
- Total processor performance up to
- 36 TOPs
- NPU performance up to
- 13 TOPs
- GPU performance up to
- 8 TOPs
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