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Eclipse Gray ASUS ROG Strix G18 laptop, 18 inch WQXGA screen, slim profile

ASUS

ASUS ROG Strix G18 G815LW 18" WQXGA 240Hz Ultra 9-275HX RTX 5080 64GB 16TB Windows 11 Home

SKU CH-S3QX-EVNF4

An 18-inch WQXGA 240Hz gaming laptop with a 24-core Intel Core Ultra 9-275HX, RTX 5080 graphics, 64GB DDR5 memory and 16TB NVMe storage

  • ColorEclipse Gray
  • Operating SystemWindows 11 Home
  • CPUIntel® Core Ultra 9-275HX
  • Screen18" WQXGA
  • Memory64GB
  • Storage16 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|16 TB|QHD+

  • 24-core Ultra 9-275HX hits 5.5 GHz turbo for heavy compute
  • RTX 5080 with 16 GB GDDR7 drives high-frame-rate 18" 240 Hz play
  • 64 GB DDR5 5600 MHz dual channel runs memory-hungry workloads
  • 16 TB PCIe 4.0 NVMe storage loads games and projects fast
  • Gelid GC Extreme on GPU plus Conductonaut on CPU lowers thermals

18-inch WQXGA 240Hz laptop for creators

The ASUS ROG Strix G18 G815LW pairs an 18-inch 2560 x 1600 IPS-level panel at 240 Hz with an Intel Core Ultra 9 275HX 24-core processor and NVIDIA GeForce RTX 5080 graphics with 16 GB GDDR7. It targets users who need desktop-class throughput in a portable chassis for rendering, simulation or high-refresh gaming.

Dual 8 TB PCIe 4.0 x4 NVMe drives

Storage ships as two 8 TB M.2 modules in a RAID-ready configuration, delivering 16 TB total capacity for massive project libraries. The 64 GB dual-channel kit (2 x 32 GB) removes memory bottlenecks for virtual machines, large textures or scientific workloads without requiring aftermarket upgrades.

Thermal Grizzly Conductonaut on CPU

Factory-applied liquid metal on the processor and high-conductivity paste on the graphics chip lower sustained core temperatures during long compiles or extended raid sessions. The cooling layout maintains clock speeds closer to the 5.5 GHz turbo ceiling for longer periods than stock paste configurations allow.

Highlights

  • 24-core Ultra 9-275HX hits 5.5 GHz turbo for heavy compute
  • RTX 5080 with 16 GB GDDR7 drives high-frame-rate 18" 240 Hz play
  • 64 GB DDR5 5600 MHz dual channel runs memory-hungry workloads
  • 16 TB PCIe 4.0 NVMe storage loads games and projects fast
  • Gelid GC Extreme on GPU plus Conductonaut on CPU lowers thermals

Specifications

BrandASUS
SeriesROG Strix G18
ModelG815LW-G18.U95080
Part NumberG815LW-G18.U95080-HID8
ColorEclipse Gray
Operating SystemWindows 11 Home
CPUIntel® Core Ultra 9-275HX
Screen18" WQXGA
Memory64GB
Storage16 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
SSD16TB
HDDNo
Storage Spec16 TB (2 x 8 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

Will the 18 inch 2560 x 1600 240Hz display fit on my desk alongside a second monitor?

The chassis measures 15.71 inches wide by 11.73 inches deep and stands .93 to 1.26 inches high so measure your desk space against those dimensions.

Can the 64GB DDR5 5600MHz memory be expanded later if I need more capacity?

The system ships with two 32GB modules filling both slots so any increase would require replacing the existing kit rather than adding to it.

Does the 16TB PCIe 4.0 NVMe storage arrive as a single drive or multiple drives?

It is configured as two 8TB M.2 drives installed in the available slots giving a combined 16TB capacity.

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