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Alienware AC16251 HD9C3
Price, score and specs
Prices
In 2 stores
In 2 stores
Prices
Local stores
Main specs
| Processor | |
|---|---|
| Screen | 16" 2560x1600 WVA 240Hz 500 nits 100% DCI-P3 |
| Hard drive | 1TB SSD M.2 |
| RAM | 32GB DDR5-SDRAM |
| Operating system | Windows 11 Home |
| Graphics card | NVIDIA GeForce RTX 5070 8GB GDDR7 |
| Other | Keyboard French. |
Other configurations of this model
| Score | Power | Price ▲ | Processor | Graphics card | Keyboard |
|---|---|---|---|---|---|
| 9.5 | 82 | €2219.87 | Intel Core Ultra 7 255HX | NVIDIA GeForce RTX 5060 | Latin American Spanish |
| 10 | 87 | Current | Intel Core Ultra 9 275HX | NVIDIA GeForce RTX 5070 | French |
| 10 | 87 | €2546.29 | Intel Core Ultra 9 275HX | NVIDIA GeForce RTX 5070 | Latin American Spanish |
| 9.8 | 87 | €2891.46 | Intel Core Ultra 9 275HX | NVIDIA GeForce RTX 5070 |
Full specifications of Alienware AC16251 HD9C3
| Reference / Part Number | HD9C3 |
|---|---|
| Release date | August 2025, 1 year ago |
Design
| Product type | Laptop |
|---|---|
| Product colour | Indigo |
| Form factor | Clamshell |
| Colour name | Gamut |
| Market positioning | Gaming |
Image gallery
Screen
| Display diagonal | 40,6 cm |
|---|---|
| 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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
Performance
| Repairability index | 8.2 |
|---|
Keyboard
| Numeric keypad | Yes |
|---|---|
| Pointing device | Touchpad |
| Keyboard backlit | Yes |
| Keyboard backlit colour | RGB |
| Keyboard backlit zone | 1-zone RGB |
| Keyboard language | French |
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 |
Brand-specific features
| Brand specific technologies | Express Charge Boost capable |
|---|
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 |
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 |
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 |
Weight & dimensions
| Weight | 2,66 kg |
|---|---|
| Width | 357 mm |
| Depth | 265,4 mm |
| Height (front) | 1,92 cm |
| Height (rear) | 1,63 cm |
Packaging content
| AC adapter included | Yes |
|---|
Alternatives with equal or higher power at a similar or lower price
Frequently asked questions
How good is the Alienware AC16251 HD9C3?
It is a Gaming laptop and one of the most powerful in the catalog: 87 out of 100 against the top one.
Is the Alienware AC16251 HD9C3 worth its price?
Yes: today it starts at €2470 and, with a 10 in the Kelaptop Value-for-Money Score, it is among the best you can buy for that money within its type.
How much does the Alienware AC16251 HD9C3 cost?
Today it starts at €2470 across 2 stores. Prices are checked daily.
Is the Alienware AC16251 HD9C3 good for gaming?
Yes, this laptop was built for gaming: it carries the NVIDIA GeForce RTX 5070. Its card's page shows what level it handles current games at.
What is the screen of the Alienware AC16251 HD9C3 like?
It carries a 16" 2560x1600 WVA 240Hz 500 nits 100% DCI-P3 display.
Which processor and graphics card does the Alienware AC16251 HD9C3 have?
It runs on the Intel Core Ultra 9 275HX processor with the NVIDIA GeForce RTX 5070 graphics. Their pages carry their benchmarks, ranking position and alternatives.
Can the RAM of the Alienware AC16251 HD9C3 be upgraded?
Yes: it has 2 memory slots and takes up to 64 GB according to the manufacturer (it ships with 32GB).
Which operating system does the Alienware AC16251 HD9C3 come with?
It comes with Windows 11 Home preinstalled.
Which ports does the Alienware AC16251 HD9C3 have?
According to its spec sheet: 1 × Thunderbolt 4, 1 × USB-C, 2 × USB-A, 1 × HDMI, Ethernet (RJ-45), headphone jack (3.5 mm).
Does the Alienware AC16251 HD9C3 have a backlit keyboard?
Yes, according to its spec sheet the keyboard is backlit.
Does the Alienware AC16251 HD9C3 have a touch screen?
No, according to its spec sheet the screen is not a touch screen.
How much does the Alienware AC16251 HD9C3 weigh?
It weighs 2,66 kg: one of the heavy ones, more of a desk machine than a daily commuter.
When was the Alienware AC16251 HD9C3 released?
Its release date is August 2025, 1 year ago.