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ASUS ROG Strix G18 gaming laptop in Eclipse Gray finish, 18 inch display, slim profile

ASUS

ASUS ROG Strix G18 G815LW 18" WQXGA 240Hz Ultra 9-275HX RTX 5080 64GB 4TB Windows 11 Home

SKU CH-11GQ-KR0RN

18-inch WQXGA 240Hz gaming laptop with Intel Core Ultra 9 275HX, RTX 5080 16GB GDDR7, 64GB DDR5 and 4TB NVMe storage

  • ColorEclipse Gray
  • Operating SystemWindows 11 Home
  • CPUIntel® Core Ultra 9-275HX
  • Screen18" WQXGA
  • Memory64GB
  • Storage4 TB M.2 PCIe 4.0 x4 NVMe SSD

CPU Name Intel Core Ultra 9 275HX

Operating System Windows 11 Home

GPU|Memory|SSD|Option GeForce RTX 5080 Laptop GPU|64GB|4 TB|QHD+

  • 18-inch 240 Hz WQXGA display delivers smooth high-resolution visuals
  • Intel Core Ultra 9 275HX 24-core processor reaches 5.5 GHz turbo for demanding workloads
  • NVIDIA RTX 5080 with 16 GB GDDR7 powers modern games and creative apps
  • 64 GB DDR5 5600 MHz memory runs heavy multitasking without slowdown
  • 4 TB PCIe 4.0 NVMe SSD provides fast boot and load times

18" WQXGA 240Hz Gaming Laptop

The ASUS ROG Strix G18 G815LW pairs an 18-inch 2560 x 1600 IPS-level display running at 240 Hz with an Intel Core Ultra 9 275HX processor and an NVIDIA GeForce RTX 5080 GPU. Sixty-four gigabytes of DDR5 5600 MHz memory and a 4 TB PCIe 4.0 x4 NVMe SSD complete a configuration built for high-refresh competitive play and content creation.

Sustained load thermal behaviour

HIDevolution applies Thermal Grizzly Conductonaut on the CPU and Gelid GC Extreme on the GPU during assembly. The liquid-metal and high-conductivity paste combination lowers peak temperatures under prolonged gaming or rendering sessions, helping the 24-core Arrow Lake chip and the RTX 5080 maintain higher boost clocks for longer periods.

Sixteen-gigabyte GDDR7 video memory

The RTX 5080 ships with 16 GB of GDDR7 VRAM, the single figure that determines texture capacity and frame-buffer headroom at 2.5K resolution. Buyers targeting heavy ray-traced workloads or large-model inference should verify this amount meets their pipeline requirements before purchase.

Highlights

  • 18-inch 240 Hz WQXGA display delivers smooth high-resolution visuals
  • Intel Core Ultra 9 275HX 24-core processor reaches 5.5 GHz turbo for demanding workloads
  • NVIDIA RTX 5080 with 16 GB GDDR7 powers modern games and creative apps
  • 64 GB DDR5 5600 MHz memory runs heavy multitasking without slowdown
  • 4 TB PCIe 4.0 NVMe SSD provides fast boot and load times

Specifications

BrandASUS
SeriesROG Strix G18
ModelG815LW-G18.U95080
Part NumberG815LW-G18.U95080-HID6
ColorEclipse Gray
Operating SystemWindows 11 Home
CPUIntel® Core Ultra 9-275HX
Screen18" WQXGA
Memory64GB
Storage4 TB M.2 PCIe 4.0 x4 NVMe SSD
Graphics CardNVIDIA® GeForce® RTX™ 5080
Video Memory16GB
Dimensions (W x D x H)15.71" x 11.73" x 0.93" ~ 1.26"
Weight7.54 lbs
CPU TypeIntel Core Ultra 9 (Series 2)
Processor NameIntel Core Ultra 9 275HX
Number of Cores24-core (8P+16E) Processor
Core NameArrow Lake
Turbo FrequencyMax Turbo Frequency 5.5 GHz
CPU L3 Cache36 MB
Screen Size18.0"
TouchscreenNon-Touch Screen
Display TypeWQXGA
Resolution2560 x 1600
Refresh Rate240Hz
Display Features2.5K 240Hz IPS-Level
GPU/VPUGeForce RTX 5080 Laptop GPU
Graphic TypeDedicated Card
SSD4TB
HDDNo
Storage Spec4 TB (2 x 2 TB) M.2 PCIe 4.0 x4 NVMe SSD
Memory SpeedDDR5 5600MHz
Memory Spec2 x 32 GB
Memory Slot (Total)2
Memory Slot (Available)0
Max Memory Supported96GB
WLANWi-Fi 7(802.11be) (Triple band) 2*2
WiFi GenerationWi-Fi 7
BluetoothBluetooth® 5.4
USB3x USB 3.2 Gen 2 Type-A (data speed up to 10Gbps)
Thunderbolt2x Thunderbolt™ 5 with support for DisplayPort™ / power delivery / G-SYNC (data speed up to 120Gbps)
HDMI1x HDMI 2.1 FRL
Audio Ports3.5mm Combo Audio Jack
AudioSmart Amp Technology, Dolby Atmos, AI noise-canceling technology, Hi-Res certification (for headphone)
Speaker2-speaker system with Smart Amplifier Technology
TouchpadYes
KeyboardBacklit Chiclet Keyboard Per-Key RGB
Backlit KeyboardBacklit
Webcam1080P FHD IR Camera for Windows Hello
Card ReaderNone
StyleThin and Light
TypeGaming & Entertainment
UsageConsumer
AC Adapter/ChargerRectangle Conn, 380W AC Adapter, Output: 20V DC, 19A, 380W, Input: 100-240V AC, 50/60Hz universal
Battery90WHrs, 4S1P, 4-cell Li-ion

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How loud and hot does the G815LW get during all-day loads?

HIDevolution applies Thermal Grizzly Conductonaut on the Core Ultra 9 275HX and Gelid GC Extreme on the RTX 5080, lowering CPU and GPU temperatures under sustained 24-core and 16 GB GDDR7 workloads.

What peripherals or components must I already own to use this laptop?

The system ships with Windows 11 Home, 64 GB DDR5 5600 MHz memory, and 4 TB PCIe 4.0 NVMe storage pre-installed, so no additional RAM or drives are required for operation.

Can I connect my older external monitors to the Strix G18?

The 18 inch 2560 x 1600 240 Hz panel drives the built-in display, while the RTX 5080 provides modern video outputs for legacy monitors through adapters.

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