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Thin white laptop with 15.6 inch QHD screen and slim bezels

DELL

DELL Alienware X15 R1 laptop i7-11800H 16GB 512GB RTX 3070 15.6 QHD 240Hz White

SKU CH-28V5-8DCB5

A 15.6-inch QHD 240Hz gaming laptop with an 8-core i7-11800H, 16GB RAM, 512GB SSD and RTX 3070 graphics

  • ColorWhite
  • Operating SystemWindows 11 Home
  • CPU TypeIntel Core i7 11th Gen
  • Processor NameIntel Core i7-11800H
  • Core NameTiger Lake
  • Turbo Frequency4.60 GHz
  • QHD 240 Hz display gives sharp, fluid visuals
  • 8-core i7-11800H reaches 4.6 GHz for fast compute
  • RTX 3070 with 8 GB GDDR6 drives high frame rates
  • 512 GB SSD and 16 GB RAM load games quickly
  • 9 mm thin chassis weighs 2.27 kg for mobility

Alienware X15 R1 15.6 QHD 240Hz gaming laptop

The Alienware X15 R1 is a 15.6-inch gaming laptop with a 2560 x 1440 QHD display running at 240Hz. It pairs an Intel Core i7-11800H eight-core processor reaching 4.6 GHz with an Nvidia GeForce RTX 3070 Laptop GPU carrying 8GB GDDR6 memory. The system ships with 16GB RAM and a 512GB SSD under Windows 11 Home in a Lunar Light white chassis.

Ports power and physical fit check

Verify that the single HDMI 2.1 output meets your external monitor needs and that the Thunderbolt 4 port with Power Delivery 5V/3A matches your dock or charger plans. The chassis measures 0.626 inches high, 14.16 inches wide and 10.915 inches deep with a starting weight of 5 lb, so confirm your bag or sleeve accommodates those dimensions.

Upgrading from thicker 60Hz machines

This laptop replaces bulkier 15-inch gaming notebooks limited to 60Hz panels and heavier cooling assemblies. The jump is worth it when you need a 240Hz QHD screen and a sub-16mm profile without dropping to integrated graphics. Buyers who want more internal storage or a second GPU should look elsewhere.

Highlights

  • QHD 240 Hz display gives sharp, fluid visuals
  • 8-core i7-11800H reaches 4.6 GHz for fast compute
  • RTX 3070 with 8 GB GDDR6 drives high frame rates
  • 512 GB SSD and 16 GB RAM load games quickly
  • 9 mm thin chassis weighs 2.27 kg for mobility

Specifications

BrandDELL
SeriesAlienware
ModelAlienware X15 R1 Laptop
Part NumberAlienware X15 R1 Laptop
ColorWhite
Operating SystemWindows 11 Home
CPU TypeIntel Core i7 11th Gen
Processor NameIntel Core i7-11800H
Core NameTiger Lake
Turbo Frequency4.60 GHz
Number of Cores8
Screen Size15.6"
TouchscreenNon-Touch Screen
Display TypeQHD
Resolution2560 x 1440
GPU/VPUGeForce RTX 3070 Laptop GPU
Graphic TypeDedicated Card
SSD512GB
HDDNo
Memory16GB
WLAN802.11ac Wireless LAN
BluetoothYes
TouchpadYes
WebcamYes
StyleStandard
TypeGaming
UsageConsumer

Questions about this item

Does the Alienware X15 R1 box include a charger and do I need to buy any cables for the Thunderbolt 4 port?

The laptop ships with its power adapter. The Thunderbolt 4 port uses a standard USB-C cable, which is not included, so add one if you plan to connect a dock or external display.

Should I choose the QHD 240 Hz panel or the FHD 165 Hz option for the RTX 3070?

The QHD 240 Hz screen (2560 x 1440) matches the RTX 3070 8 GB GDDR6 well for high-refresh competitive titles, while the FHD 165 Hz variant lowers pixel count for even higher frame rates in esports games.

What does the 4.6 GHz turbo figure mean when the i7-11800H is inside the 15.9 mm chassis?

The 8-core Tiger Lake CPU can hit 4.6 GHz on short bursts, but sustained clocks will be lower because the thin 15.9 mm body limits cooling capacity during long gaming sessions.

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