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Grey ASUS ROG Zephyrus G16 laptop with 16 inch OLED display

ASUS

ASUS ROG Zephyrus G16 GU605CX Grey 16" 240Hz OLED Ultra 9-285H RTX 5090 32 GB 2 TB gaming

SKU CH-EYSK-ND668

16-inch 240Hz OLED laptop with 2.5K display, Core Ultra 9-285H, RTX 5090, 32 GB LPDDR5X and 2 TB NVMe SSD

  • ColorEclipse Gray
  • Operating SystemWindows 11 Pro
  • CPUIntel® Core Ultra 9-285H
  • Screen16" 2.5K
  • Memory32GB
  • Storage2 TB M.2 PCIe 4.0 x4 NVMe SSD

Color Eclipse Gray

Operating System Windows 11 Pro

GPU|Memory|SSD GeForce RTX 5090 Laptop GPU|32GB|2 TB

  • 240 Hz OLED display delivers smooth, vivid motion
  • 16-core Intel Core Ultra 9-285H reaches 5.4 GHz turbo for heavy workloads
  • RTX 5090 with 24 GB GDDR7 powers high-fidelity gaming and creative tasks
  • 32 GB LPDDR5X at 7467 MT/s enables fast multitasking
  • 2 TB PCIe 4.0 NVMe SSD provides rapid boot and load times

16" 240 Hz OLED Gaming Laptop

The ASUS ROG Zephyrus G16 GU605CX in Eclipse Gray delivers a 16-inch 2.5K OLED panel at 240 Hz. An Intel Core Ultra 9-285H processor with 16 cores drives the system alongside an NVIDIA GeForce RTX 5090 GPU with 24 GB GDDR7 video memory. It ships with Windows 11 Pro installed.

High-end portable workstation and gaming machine

This configuration suits creators and gamers who need desktop-class graphics and a colour-accurate high-refresh OLED screen in a 4.08 lb chassis. Buyers who require user-replaceable memory or a larger battery should consider alternative designs.

32 GB soldered LPDDR5X-7467 memory

The 32 GB LPDDR5X memory runs at 7467 MT/s in dual-channel mode and is permanently mounted on the motherboard. No SO-DIMM slots are available, so the total system memory cannot be increased after purchase.

Highlights

  • 240 Hz OLED display delivers smooth, vivid motion
  • 16-core Intel Core Ultra 9-285H reaches 5.4 GHz turbo for heavy workloads
  • RTX 5090 with 24 GB GDDR7 powers high-fidelity gaming and creative tasks
  • 32 GB LPDDR5X at 7467 MT/s enables fast multitasking
  • 2 TB PCIe 4.0 NVMe SSD provides rapid boot and load times

Specifications

BrandASUS
SeriesROG Zephyrus G16
ModelGU605CX-G16.U9X5090
Part NumberGU605CX-G16.U9X5090-HID1P
ColorEclipse Gray
Operating SystemWindows 11 Pro
CPUIntel® Core Ultra 9-285H
Screen16" 2.5K
Memory32GB
Storage2 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
SSD2TB
HDDNo
Storage Spec2 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

What are the exact width, depth and height range for the GU605CX chassis?

The laptop measures 13.94 inches wide, 9.69 inches deep and between 0.59 and 0.65 inches thick.

Which thermal interface materials are applied to the CPU and GPU during the HIDevolution build?

Thermal Grizzly Conductonaut is used on the Intel Core Ultra 9-285H and Gelid GC Extreme on the NVIDIA GeForce RTX 5090.

Can the 32 GB of LPDDR5X memory or the 2 TB PCIe 4.0 x4 NVMe SSD be upgraded later?

The 32 GB LPDDR5X 7467 memory is soldered on board and cannot be upgraded, while the 2 TB M.2 PCIe 4.0 x4 NVMe SSD is replaceable.

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