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Eclipse Gray 16 inch OLED gaming laptop, slim profile, RGB keyboard visible

ASUS

ASUS ROG Zephyrus GU605CW 16.0" OLED 240Hz Ultra 9-285H RTX 5080 32GB 2TB gaming laptop

SKU CH-X8QC-ZWXKY

A 16.0" OLED 240Hz gaming laptop with Ultra 9-285H, RTX 5080 16GB GDDR7, 32GB LPDDR5X and 2TB PCIe NVMe SSD

  • ColorGray
  • CPU TypeUltra 9-285H
  • Turbo Frequency5.4GHz
  • CPU L3 Cache24MB Cache
  • Screen Size16.0"
  • TouchscreenNo
  • OLED 240 Hz display renders motion smoothly at 2560×1600
  • Ultra 9-285H reaches 5.4 GHz turbo with 16 cores
  • RTX 5080 16 GB GDDR7 powers VR-ready graphics
  • 32 GB LPDDR5X memory and 2 TB PCIe NVMe storage
  • Thunderbolt 4 and WiFi 7 plus 90 Wh battery

Product identity

The ASUS ROG Zephyrus GU605CW is a 16.0" gaming laptop built around a 240 Hz OLED panel, an Ultra 9-285H processor and a GeForce RTX 5080 GPU. It targets creators and competitive players who need colour-accurate visuals and high frame rates in a single portable chassis.

Interface limits

Thunderbolt 4 provides up to 40 Gbps of bandwidth for external GPUs, high-speed storage or dual 4K displays, but cable length and device power draw can reduce real-world throughput. WiFi 7 (802.11be) and Bluetooth 5.4 deliver lower latency and higher capacity than previous wireless standards, yet performance still depends on router capability and local spectrum congestion.

Deciding specification

The 32 GB of onboard LPDDR5X memory cannot be upgraded after purchase, so buyers must confirm that this capacity meets their multitasking and content-creation workloads before committing.

Highlights

  • OLED 240 Hz display renders motion smoothly at 2560×1600
  • Ultra 9-285H reaches 5.4 GHz turbo with 16 cores
  • RTX 5080 16 GB GDDR7 powers VR-ready graphics
  • 32 GB LPDDR5X memory and 2 TB PCIe NVMe storage
  • Thunderbolt 4 and WiFi 7 plus 90 Wh battery

Specifications

BrandASUS
SeriesROG Zephyrus
ColorGray
CPU TypeUltra 9-285H
Turbo Frequency5.4GHz
CPU L3 Cache24MB Cache
Screen Size16.0"
TouchscreenNo
Resolution2560x1600
Refresh Rate240 Hz
Operating SystemWindows 11 Home
GPU/VPUGeForce RTX 5080
Graphic TypeDedicated Card
SSD2TB
HDDNo
Storage Spec2TB PCIe SSD
Memory32GB
Memory SpeedLPDDR5X
Memory TypeOnboard ONLY
Optical Drive TypeNo Optical Drive
WLAN802.11be
BluetoothBluetooth 5.4
HDMI1
Audio Ports1 x Headphone/Microphone Combo Jack
Virtual Reality ReadyYes
KeyboardStandard
Backlit KeyboardBacklit
WebcamYes
Card ReaderYes
StyleStandard
TypeGaming

Questions about this item

Should I pick the 32 GB LPDDR5X model or look for a higher capacity?

The laptop ships with 32 GB of onboard LPDDR5X memory that cannot be upgraded, so the only capacity available is the one listed.

What does the 5.4 GHz turbo figure mean once the Ultra 9-285H is inside the chassis?

The processor can reach 5.4 GHz on its performance cores for short bursts, while the 90 Wh battery and 240 W power supply sustain high clocks during heavy workloads.

How fast is the Thunderbolt 4 port in practice and what does it cap?

Thunderbolt 4 delivers up to 40 Gbps, supporting external GPUs, dual 4K displays and NVMe storage without bottlenecking the RTX 5080.

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