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Eclipse Gray 18 inch gaming laptop with thin bezels and ROG branding

ASUS

ASUS ROG Strix G18 G815LW 18" WQXGA 240Hz Ultra 9-275HX RTX 5080 32GB 2TB gaming laptop

SKU CH-YFPD-G2MAZ

An 18 inch WQXGA 240Hz IPS-level display is driven by a 24-core Ultra 9-275HX and RTX 5080 with 16GB GDDR7, plus 32GB DDR5-5600 and a 2TB PCIe 4.0 NVMe SSD

  • ColorEclipse Gray
  • Operating SystemWindows 11 Home
  • CPUIntel® Core Ultra 9-275HX
  • Screen18" WQXGA
  • Memory32GB
  • Storage2 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|32GB|2 TB|QHD+

  • 18" WQXGA 240Hz IPS display for smooth high-res gaming
  • Intel Core Ultra 9 275HX 24-core CPU up to 5.5 GHz for heavy workloads
  • NVIDIA RTX 5080 with 16 GB GDDR7 for top-tier graphics power
  • 32 GB DDR5 5600 dual-channel memory for fast multitasking
  • 2 TB PCIe 4.0 x4 NVMe SSD for rapid load times

18-inch WQXGA 240Hz gaming laptop

The ASUS ROG Strix G18 G815LW is an 18-inch gaming laptop built around an Intel Core Ultra 9-275HX processor with 24 cores and a 5.5 GHz maximum turbo frequency. It pairs that CPU with an NVIDIA GeForce RTX 5080 graphics card carrying 16 GB of GDDR7 memory. The system runs Windows 11 Home on 32 GB of DDR5 5600 MHz memory in dual-channel configuration. A 2 TB PCIe 4.0 x4 NVMe SSD provides the primary storage.

Buyers who need desktop-class performance

This machine suits users who want a 2.5K 240Hz IPS-level display and the thermal headroom provided by Gelid GC Extreme on the GPU and Conductonaut on the CPU. The 7.54 lb weight and 15.71 by 11.73 inch footprint make it a poor fit for frequent travel or compact workspaces. Anyone prioritising all-day battery life or a thinner profile should look at smaller ultraportable alternatives.

RTX 5080 with 16 GB GDDR7 decides the tier

The graphics card is the single specification that determines whether this laptop matches a workload. Sixteen gigabytes of GDDR7 memory paired with the RTX 5080 architecture sets the ceiling for 1440p and 4K gaming, real-time rendering and GPU-accelerated compute. If a workflow does not require that level of video memory or compute throughput, a lower-tier GPU will cost less and run cooler.

Highlights

  • 18" WQXGA 240Hz IPS display for smooth high-res gaming
  • Intel Core Ultra 9 275HX 24-core CPU up to 5.5 GHz for heavy workloads
  • NVIDIA RTX 5080 with 16 GB GDDR7 for top-tier graphics power
  • 32 GB DDR5 5600 dual-channel memory for fast multitasking
  • 2 TB PCIe 4.0 x4 NVMe SSD for rapid load times

Specifications

BrandASUS
SeriesROG Strix G18
ModelG815LW-G18.U95080
Part NumberG815LW-G18.U95080-HID1
ColorEclipse Gray
Operating SystemWindows 11 Home
CPUIntel® Core Ultra 9-275HX
Screen18" WQXGA
Memory32GB
Storage2 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
SSD2TB
HDDNo
Storage Spec2 TB M.2 PCIe 4.0 x4 NVMe SSD
Memory SpeedDDR5 5600MHz
Memory Spec2 x 16 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

What power adapter wattage does the G815LW require for the Ultra 9-275HX and RTX 5080?

The laptop ships with a power adapter sized for the 24-core Ultra 9-275HX and RTX 5080 with 16 GB GDDR7 to sustain 5.5 GHz turbo clocks.

Can I keep my existing DDR5 5600 SODIMMs when upgrading this 32 GB dual-channel kit?

The system runs 32 GB of DDR5 5600 in two 16 GB modules; matching capacity and speed avoids down-clocking the memory controller.

How do I verify the WQXGA panel is running at 240 Hz after driver installation?

Open Windows display settings or the NVIDIA control panel and confirm the refresh rate shows 240 Hz at 2560 x 1600 resolution.

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