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Eclipse Gray 18 inch gaming laptop closed lid matte finish

ASUS

ASUS ROG Strix G18 G815LW 18" WQXGA 240Hz Ultra 9-275HX RTX 5080 32GB 8TB gaming laptop

SKU CH-73Z3-63KYF

An 18-inch WQXGA 240Hz display driven by an Intel Core Ultra 9 275HX 24-core processor and RTX 5080 graphics with 16 GB GDDR7, plus 32 GB DDR5 and 8 TB NVMe storage

  • Screen size18.0 in (45.7 cm)
  • ProcessorIntel Core Ultra 9 (Series 2)
  • Graphics processorGeForce RTX 5080 Laptop GPU
  • Memory size32 GB
  • Storage drive8 TB M.2 PCIe 4.0 x4 NVMe SSD
  • Display resolution2560 × 1600

CPU Name Intel Core Ultra 9 275HX

Operating System Windows 11 Home

GPU GeForce RTX 5080 Laptop GPU

Memory 32GB

SSD 8 TB

  • 18" WQXGA 240Hz IPS-level display for smooth high-resolution visuals
  • Intel Core Ultra 9 275HX 24-core CPU up to 5.5 GHz turbo for heavy multitasking
  • NVIDIA RTX 5080 with 16 GB GDDR7 for high-end graphics performance
  • 32 GB DDR5 5600 MHz dual-channel memory for fast application response
  • 8 TB PCIe 4.0 NVMe SSD storage for rapid boot and load times

18-inch WQXGA 240Hz Gaming Laptop

The ASUS ROG Strix G18 G815LW pairs an 18-inch 2560 x 1600 IPS-level display running at 240Hz with an Intel Core Ultra 9 275HX 24-core processor and NVIDIA GeForce RTX 5080 graphics. It is built for enthusiasts who need desktop-class throughput in a portable chassis.

Sustained thermal performance with upgraded TIM

HIDevolution applies Thermal Grizzly Conductonaut on the CPU and Gelid GC Extreme on the GPU to lower peak temperatures during extended sessions. The liquid-metal and high-conductivity paste combination helps the 24-core Arrow Lake chip and RTX 5080 maintain higher clocks without thermal throttling.

16 GB GDDR7 video memory decides 4K headroom

The RTX 5080 ships with 16 GB of GDDR7 VRAM, which sets the practical ceiling for texture-heavy 4K gaming and GPU compute workloads. If your pipeline demands more frame-buffer capacity, this specification is the limiting factor.

How it compares

Measured against everything we stock in Gaming Laptop Computers, at today’s prices. Recalculated every night.

Price $3,742.99
Pricier than about 86% of the 5,382 comparable items (median $1,978.99).
Screen size 18.0 in (45.7 cm)
Higher than about 90% of the 5,361 comparable items (median 16 in).
Refresh frequency 240 Hz
Higher than about 70% of the 2,443 comparable items (median 165 Hz).

New to this? Buying a laptop with crypto, start to finish — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASUS
Product lineROG Strix G18
Model nameG815LW-G18.U95080
Part numberG815LW-G18.U95080-HID3
Product colorEclipse Gray
Design styleThin and Light
Product typeGaming & Entertainment
Recommended useConsumer
Processor
ProcessorIntel® Core Ultra 9-275HX
Processor modelIntel Core Ultra 9 275HX
CPU cores24-core (8P+16E) Processor
Turbo clock speed5.5 GHz
Processor codenameArrow Lake
L3 cache size36 MB
Memory
Memory size32 GB
RAM type and speedDDR5 5600 MHz
Memory configuration2 × 16 GB
Total memory slots2
Free memory slots0
Maximum supported memory96 GB
Storage
Storage drive8 TB M.2 PCIe 4.0 x4 NVMe SSD
SSD storage8 TB
Hard driveNo
Storage configuration8 TB (2 × 4 TB) M.2 PCIe 4.0 x4 NVMe SSD
Display
Screen size18.0 in (45.7 cm)
Display resolution2560 × 1600
Refresh frequency240 Hz
Touch inputNon-Touch Screen
Display18 in WQXGA
Display formatWQXGA
Screen features2.5K 240 Hz IPS-Level
Graphics
Graphics processorGeForce RTX 5080 Laptop GPU
Video RAM16 GB
GPU modelNVIDIA® GeForce® RTX™ 5080
Graphics typeDedicated Card
Audio & video
SoundSmart Amp Technology, Dolby Atmos, AI noise-canceling technology, Hi-Res certification (for headphone)
Speakers2-speaker system with Smart Amplifier Technology
Web camera1080P FHD IR Camera for Windows Hello
Connectivity
Wi-Fi standardWi-Fi 7
Wi-FiWi-Fi 7(802.11be) (Triple band) 2 × 2
Bluetooth supportBluetooth® 5.4
Ports & slots
USB ports3x USB 3.2 Gen 2 Type-A (data speed up to 10 Gbit/s)
Thunderbolt ports2x Thunderbolt™ 5 with support for DisplayPort™ / power delivery / G-SYNC (data speed up to 120 Gbit/s)
HDMI ports1x HDMI 2.1 FRL
Audio jacks3.5 mm Combo Audio Jack
Memory card readerNone
Power
Power adapterRectangle Conn, 380 W AC Adapter, Output: 20 V DC, 19A, 380 W, Input: 100-240 V AC, 50/60 Hz universal
Battery pack90WHrs, 4S1P, 4-cell Li-ion
Size & build
Overall dimensions15.71 in × 11.73 in × 0.93 in ~ 1.26 in
Product weight7.54 lb (3.42 kg)
Software
Operating systemWindows 11 Home
More details
Pointing deviceYes
KeyboardBacklit Chiclet Keyboard Per-Key RGB
Keyboard backlightBacklit

Other versions of this model

5 more in the same range

Questions about this item

How loud and hot does the 24-core Ultra 9-275HX and RTX 5080 get during all-day loads?

The system ships with Thermal Grizzly Conductonaut on the CPU and Gelid GC Extreme on the GPU, high-conductivity thermal interface materials chosen to lower peak temperatures and keep fan speeds down during sustained workloads.

What must I already own to start using the 18-inch 2560 x 1600 240 Hz display and 32 GB DDR5 5600 MHz memory?

The laptop includes the panel, memory, 8 TB NVMe storage, Windows 11 Home and a power adapter, so no extra components are required for basic operation.

Will my existing USB-A mouse, HDMI monitor and older PCIe 3.0 NVMe drive work with this machine?

The chassis provides USB-A ports, an HDMI output and additional M.2 slots that accept PCIe 4.0 x4 NVMe drives, so those peripherals and storage devices remain compatible.

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