Alienware x16 R2
- CPU:
- Core Ultra 9 185H
- GPU:
- RTX 4090 16GB
- RAM:
- 32GB LPDDR5X
- Display:
- 16" 2560x1600 240Hz
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Manufacturer: Alienware Last updated: 2026-09-22
Where to buy
- DellGo to store
Alienware x16 R2 (Core Ultra 9 185H, RTX 4090, 32GB) Review
Alienware x16 R2 with Core Ultra 9 185H, RTX 4090 16GB and 32GB soldered LPDDR5X in a thin high-refresh gaming chassis.
Corrected in Session 6 spot-check: the real x16 R2 tops out at Meteor Lake Core Ultra 9 185H and RTX 4090 Laptop GPU, not Arrow Lake HX 275HX / RTX 5080 as originally published -- nanoreview.net and Dell listings confirm no such configuration exists for this chassis.
Overview
The x16 R2 trades RAM upgradability for a thinner chassis than Alienware's m-series, pairing Meteor Lake H with RTX 40-series graphics and a single free M.2 slot.
Specifications
Identity and variant
| Brand | Alienware |
|---|---|
| Series | Alienware x16 |
| Series ID | alienware-x16-r2 |
| SKU Name | Alienware x16 R2 (Ultra 9 185H, RTX 4090, 32GB) |
| Chassis Code | x16 R2 |
| Region Sold | North America |
Class and platform
| Laptop Class | Gaming |
|---|---|
| Release Year | 2024 |
| Operating System | Windows 11 Home |
| Weight | 2.4 kg |
Processor
| CPU Brand | Intel |
|---|---|
| CPU Model | Core Ultra 9 185H |
| CPU Cores | 16 |
| CPU Base Power | 45 W |
| CPU Max Turbo Power | 115 W |
Sustained power
| Sustained Power Source | Not Measured |
|---|---|
| Power Adapter Wattage | 330 W |
Graphics
| GPU Brand | NVIDIA |
|---|---|
| GPU Model | GeForce RTX 4090 Laptop GPU |
| VRAM | 16 GB |
| GPU Max Graphics Power | 150 W |
| Graphics Switching | Advanced Optimus |
Memory
| RAM Capacity | 32 GB |
|---|---|
| RAM Type | LPDDR5X |
| Memory Form Factor | Soldered |
| Memory Soldered | Yes |
| Max RAM Supported | 32 GB |
Upgradability
| RAM Slots | 0 |
|---|---|
| RAM Slots Free | 0 |
| Storage Slots | 2 |
| Storage Slots Free | 1 |
| Storage Form Factor | M.2 2280 |
| Storage Interface | PCIe 4.0 x4 |
| SATA Bay Present | No |
Storage as shipped
| Storage Capacity | 1000 GB |
|---|---|
| Storage Type | NVMe SSD |
Display
| Display Size | 16 inches |
|---|---|
| Resolution Width | 2560 px |
| Resolution Height | 1600 px |
| Refresh Rate | 240 Hz |
| Panel Type | IPS |
| Brightness Condition | Vendor Unstated |
| Touchscreen | No |
Battery and ports
| Battery Capacity | 90 Wh |
|---|---|
| Thunderbolt Support | Thunderbolt 4 |
| WiFi Standard | WiFi 7 |
Provenance
| Source URL | https://nanoreview.net/en/laptop/dell-alienware-x16-r2 |
|---|
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- Slim high-refresh gaming
Not for
- RAM upgraders