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Grey 16 inch gaming laptop with thin OLED display and Eclipse Gray finish

ASUS

ASUS ROG Zephyrus G16 GU605CX Grey 16" 240Hz OLED Ultra 9-285H RTX 5090 32GB 8TB gaming laptop

SKU CH-RXJJ-E5PKE

A 16-inch 240 Hz OLED gaming laptop with an Intel Core Ultra 9-285H, RTX 5090 graphics, 32 GB LPDDR5X memory and an 8 TB NVMe SSD

  • ColorEclipse Gray
  • Operating SystemWindows 11 Home
  • CPUIntel® Core Ultra 9-285H
  • Screen16" 2.5K
  • Memory32GB
  • Storage8 TB M.2 PCIe 4.0 x4 NVMe SSD

Color Eclipse Gray

Operating System Windows 11 Home

GPU|Memory|SSD GeForce RTX 5090 Laptop GPU|32GB|8 TB

  • 240 Hz OLED display renders motion smoothly
  • 16-core Ultra 9-285H reaches 5.4 GHz turbo for heavy workloads
  • RTX 5090 with 24 GB GDDR7 drives high-frame-rate gaming
  • 8 TB PCIe 4.0 NVMe SSD stores massive libraries
  • 32 GB LPDDR5X at 7467 MT/s handles multitasking with ease

ASUS ROG Zephyrus G16 GU605CX Gaming Laptop

The ASUS ROG Zephyrus G16 GU605CX is a 16-inch gaming laptop built for enthusiasts who want high frame rates on a 240Hz OLED panel. It pairs an Intel Core Ultra 9 285H processor with an NVIDIA GeForce RTX 5090 graphics card for demanding titles and creative workloads.

Ready-to-use configuration with thermal upgrades

The system arrives with Windows 11 Home installed and passes a full quality check that includes BIOS updates, stress testing and port verification. HIDevolution applies Thermal Grizzly Conductonaut on the CPU and Gelid GC Extreme on the GPU before shipment so the cooling solution works optimally from the first boot.

240Hz WQXGA OLED display drives GPU choice

The 16-inch 2560 x 1600 OLED panel runs at 240Hz, making the RTX 5090 with 24GB GDDR7 the component that determines whether the laptop can sustain high refresh rates in modern games. If the target is lower refresh or resolution, a lesser GPU would suffice.

Highlights

  • 240 Hz OLED display renders motion smoothly
  • 16-core Ultra 9-285H reaches 5.4 GHz turbo for heavy workloads
  • RTX 5090 with 24 GB GDDR7 drives high-frame-rate gaming
  • 8 TB PCIe 4.0 NVMe SSD stores massive libraries
  • 32 GB LPDDR5X at 7467 MT/s handles multitasking with ease

Specifications

BrandASUS
SeriesROG Zephyrus G16
ModelGU605CX-G16.U9X5090
Part NumberGU605CX-G16.U9X5090-HID3
ColorEclipse Gray
Operating SystemWindows 11 Home
CPUIntel® Core Ultra 9-285H
Screen16" 2.5K
Memory32GB
Storage8 TB M.2 PCIe 4.0 x4 NVMe SSD
Graphics CardNVIDIA® GeForce® RTX™ 5090
Video Memory24GB
Dimensions (W x D x H)13.94" x 9.69" x 0.59" ~ 0.65"
Weight4.08 lbs
CPU TypeIntel Core Ultra 9 (Series 2)
Processor NameIntel Core Ultra 9 285H
Number of Cores16-core (8P+8E) Processor
Core NameArrow Lake
Turbo FrequencyMax Turbo Frequency 5.4 GHz
CPU L3 Cache24 MB
Screen Size16.0"
TouchscreenNo
Display Type2.5K
Resolution2560 x 1600
Refresh Rate240Hz
Display Features2.5K WQXGA 240Hz OLED
GPU/VPUGeForce RTX 5090 Laptop GPU
Graphic TypeDedicated Card
SSD8TB
HDDNo
Storage Spec8 TB M.2 PCIe 4.0 x4 NVMe SSD
Memory SpeedLPDDR5X 7467
Memory Spec32 GB onboard
Max Memory Supported32GB
WLANWi-Fi 7(802.11be) (Triple band) 2*2
WiFi GenerationWi-Fi 7
BluetoothBluetooth® 5.4
USB2x USB 3.2 Gen 2 Type-A, 1x USB 3.2 Gen 2 Type-C support DisplayPort™ / power delivery / G-SYNC
Thunderbolt1x Thunderbolt™ 4 support DisplayPort™ / power delivery
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), Built-in 3-microphone array
Speaker4-speaker (dual-force woofer) system with Smart Amplifier Technology, 2 Tweeters
TouchpadYes
KeyboardBacklit Chiclet Keyboard 1-Zone RGB
Backlit KeyboardBacklit
Webcam1080P FHD IR Camera for Windows Hello
Card ReaderSD (UHS-II, 312MB/s)
StyleThin and Light
TypeGaming & Entertainment
UsageConsumer
AC Adapter/ChargerRectangle Conn, 240W AC Adapter, Output: 20V DC, 12A, 240W, Input: 100~240C 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 do I confirm the 240Hz OLED panel is running at its full refresh rate after setup?

Open Windows Settings, choose System then Display, select Advanced display and verify the refresh-rate dropdown shows 240 Hz for the 16 inch 2560 x 1600 screen.

What ships inside the box and which components are not included?

The box contains the GU605CX laptop in Eclipse Gray with the Ultra 9-285H processor, RTX 5090 graphics with 24 GB GDDR7, 32 GB LPDDR5X 7467 memory, 8 TB PCIe 4.0 NVMe SSD and Windows 11 Home pre-installed; no extra parts are required.

Which configuration should I choose if I want the highest graphics memory and fastest storage this model offers?

This SKU already pairs the RTX 5090 with 24 GB GDDR7 and an 8 TB PCIe 4.0 NVMe drive, so no further selection is needed for maximum video memory or capacity.

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