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ASUS ROG Zephyrus G16 Eclipse Gray 16 inch OLED gaming laptop

ASUS

ASUS ROG Zephyrus G16 GU605CW Grey 16" 240Hz OLED Ultra 9-285H RTX 5080 32 GB LPDDR5X 2 x 4

SKU CH-Z8H5-WD9EN

16-inch 240 Hz OLED gaming laptop with Intel Core Ultra 9 285H, RTX 5080, 32 GB LPDDR5X and dual 4 TB NVMe SSDs

  • 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
  • 16-core Ultra 9 285H hits 5.4 GHz turbo for heavy workloads
  • 16" 2.5K 240 Hz OLED panel shows smooth colour-accurate motion
  • RTX 5080 with 16 GB GDDR7 drives high-frame-rate gaming
  • 32 GB LPDDR5X 7467 memory keeps multitasking responsive
  • 2 x 4 TB NVMe storage gives 8 TB total capacity for large libraries

Built for creators and gamers

The ASUS ROG Zephyrus G16 GU605CW combines a 16-core Intel Core Ultra 9-285H processor with an NVIDIA GeForce RTX 5080 GPU carrying 16 GB GDDR7 memory. A 16.0-inch 2.5K OLED panel running at 240 Hz delivers sharp motion for competitive play and colour-critical work. Windows 11 Home ships pre-installed on 8 TB of PCIe 4.0 NVMe storage.

Thermal and storage upgrades applied

HIDevolution replaces the stock CPU compound with Thermal Grizzly Conductonaut and applies Gelid GC Extreme on the GPU for lower sustained temperatures. Two 4 TB M.2 PCIe 4.0 x4 NVMe SSDs are installed at the factory, doubling the original capacity. The 32 GB LPDDR5X 7467 dual-channel memory is soldered on board and cannot be expanded.

Limits of the platform

The laptop measures 13.94 x 9.69 inches and ranges from .59 to .65 inches thick, weighing 4.08 lbs. Its thin chassis restricts long-duration turbo clocks despite the upgraded thermal interface material. On-board LPDDR5X fixes the memory at 32 GB with no upgrade path. The PCIe 4.0 interface caps sequential SSD throughput below newer PCIe 5.0 drives.

Highlights

  • 16-core Ultra 9 285H hits 5.4 GHz turbo for heavy workloads
  • 16" 2.5K 240 Hz OLED panel shows smooth colour-accurate motion
  • RTX 5080 with 16 GB GDDR7 drives high-frame-rate gaming
  • 32 GB LPDDR5X 7467 memory keeps multitasking responsive
  • 2 x 4 TB NVMe storage gives 8 TB total capacity for large libraries

Specifications

BrandASUS
SeriesROG Zephyrus G16
ModelGU605CW-G16.U95080
Part NumberGU605CW-G16.U95080-HID5
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™ 5080
Video Memory16GB
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
Turbo FrequencyMax Turbo Frequency 5.4 GHz
CPU L3 Cache24 MB
Screen Size16.0"
TouchscreenNo
Display Type2.5K
Resolution2560 x 1600
Bezel Design100% DCI-P3
Display Features2.5K WQXGA 240Hz OLED
GPU/VPUGeForce RTX 5080 Laptop GPU
Graphic TypeDedicated Card
SSD8TB
HDDNo
Storage Spec2 x 4 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
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
Thunderbolt 3240Hz
ThunderboltWi-Fi 7
HDMI1x HDMI 2.1 FRL
Ethernet1x Thunderbolt™ 4 support DisplayPort™ / power delivery
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
Virtual Reality ReadyArrow Lake
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

Questions about this item

Will the LPDDR5X memory or the 8 TB NVMe storage need replacement later?

The 32 GB LPDDR5X memory is soldered to the board and cannot be replaced, while the two 4 TB NVMe drives occupy both M.2 slots and can be swapped for larger modules when needed.

Which limit appears first during sustained loads — the 5.4 GHz turbo ceiling or the thermal envelope of the 0.59–0.65" chassis?

The thin chassis and shared vapor chamber mean the thermal envelope is reached before the 5.4 GHz turbo can be held across all 16 cores, so temperatures throttle the CPU first.

How loud do the fans get and how hot does the Eclipse Gray surface become when the RTX 5080 runs all day?

Under continuous load the dual fans spin up to an audible but not intrusive level, while the keyboard deck and bottom panel grow warm to the touch as the Gelid GC Extreme and Conductonaut TIMs move heat into the thin magnesium-aluminium shell.

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