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ASUS ROG Zephyrus G16 laptop in Eclipse Gray, thin clamshell form factor, matte finish

ASUS

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

SKU CH-3BVZ-8KWGV

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

  • Screen size16.0 in (40.6 cm)
  • ProcessorIntel Core Ultra 9 (Series 2)
  • Graphics processorGeForce RTX 5090 Laptop GPU
  • Memory size32 GB
  • Storage drive8 TB M.2 PCIe 4.0 x4 NVMe SSD
  • Display resolution2560 × 1600
  • Intel Core Ultra 9 285H reaches 5.4 GHz turbo for demanding workloads
  • 16 inch OLED panel runs at 240 Hz for smooth motion
  • RTX 5090 with 24 GB GDDR7 drives high frame rates
  • 32 GB LPDDR5X at 7467 MT/s handles multitasking
  • Dual 4 TB NVMe SSDs give 8 TB total capacity

16″ 240 Hz OLED for creators and gamers

The ASUS ROG Zephyrus G16 GU605CX pairs a 16.0″ 2560 x 1600 OLED panel at 240 Hz with an Intel Core Ultra 9 285H processor and NVIDIA GeForce RTX 5090 graphics. Sixteen cores reach 5.4 GHz turbo while 32 GB of LPDDR5X 7467 memory and 8 TB of PCIe 4.0 NVMe storage handle heavy multitasking and large project files. Windows 11 Pro ships pre-installed.

Thermals and power in daily use

HIDevolution applies Thermal Grizzly Conductonaut on the CPU and Gelid GC Extreme on the GPU to lower peak temperatures under sustained loads. The 16-core 285H runs at a 2.7 GHz base with 24 MB cache, and the RTX 5090 carries 24 GB of GDDR7 video memory. The chassis measures 13.94″ x 9.69″ x 0.59″ ~ 0.65″ and weighs 4.08 lbs, keeping fan noise moderate during typical workflows.

What the builder upgrades change

Replacing the stock thermal interface materials with higher-conductivity compounds reduces thermal resistance on both processors, which helps maintain boost clocks longer. The dual 4 TB NVMe SSDs are installed and validated before shipment, eliminating the need for user storage expansion. A full quality-control pass updates BIOS and drivers, runs burn-in stress tests, and verifies keyboard, touchpad, ports and display before the laptop leaves the workshop.

How it compares

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

Price $5,387.99
Pricier than about 91% of the 5,382 comparable items (median $1,978.99).
Screen size 16.0 in (40.6 cm)
Typical for this category: the median of 5,361 items is 16 in.
Memory size 32 GB
Typical for this category: the median of 5,206 items is 32 GB.

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 Zephyrus G16
Model nameGU605CX-G16.U9 × 5090
Part numberGU605CX-G16.U9 × 5090-HID5P
Product colorEclipse Gray
Design styleThin and Light
Product typeGaming & Entertainment
Recommended useConsumer
Processor
ProcessorIntel® Core Ultra 9-285H
Processor modelIntel Core Ultra 9 285H
CPU cores16-core (8P+8E) Processor
Turbo clock speed5.4 GHz
L3 cache size24 MB
Memory
Memory size32 GB
RAM type and speedLPDDR5X 7467
Memory configuration32 GB onboard
Maximum supported memory32 GB
Storage
Storage drive8 TB M.2 PCIe 4.0 x4 NVMe SSD
SSD storage8 TB
Hard driveNo
Storage configuration2 × 4 TB M.2 PCIe 4.0 x4 NVMe SSD
Display
Screen size16.0 in (40.6 cm)
Display resolution2560 × 1600
Touch inputNo
Display16 in 2.5K
Display format2.5K
Bezel style100% DCI-P3
Screen features2.5K WQXGA 240 Hz OLED
Graphics
Graphics processorGeForce RTX 5090 Laptop GPU
Video RAM24 GB
GPU modelNVIDIA® GeForce® RTX™ 5090
Graphics typeDedicated Card
VR readyArrow Lake
Audio & video
SoundSmart Amp Technology, Dolby Atmos, AI noise-canceling technology, Hi-Res certification (for headphone), Built-in 3-microphone array
Speakers4-speaker (dual-force woofer) system with Smart Amplifier Technology, 2 Tweeters
Web camera1080P FHD IR Camera for Windows Hello
Connectivity
Wi-FiWi-Fi 7(802.11be) (Triple band) 2 × 2
Bluetooth supportBluetooth® 5.4
Wired network1x Thunderbolt™ 4 support DisplayPort™ / power delivery
Ports & slots
USB ports2x USB 3.2 Gen 2 Type-A, 1x USB 3.2 Gen 2 Type-C support DisplayPort™ / power delivery / G-SYNC
Thunderbolt 3 support240 Hz
Thunderbolt portsWi-Fi 7
HDMI ports1x HDMI 2.1 FRL
Audio jacks3.5 mm Combo Audio Jack
Memory card readerSD (UHS-II, 312 MB/s)
Power
Power adapterRectangle Conn, 240 W AC Adapter, Output: 20 V DC, 12A, 240 W, Input: 100 to 240C AC 50/60 Hz universal
Battery pack90WHrs, 4S1P, 4-cell Li-ion
Size & build
Overall dimensions13.94 in × 9.69 in × 0.59 in ~ 0.65 in
Product weight4.08 lb (1.85 kg)
Software
Operating systemWindows 11 Pro
More details
Pointing deviceYes
KeyboardBacklit Chiclet Keyboard 1-Zone RGB
Keyboard backlightBacklit

Questions about this item

How do I install the 2 x 4 TB M.2 PCIe 4.0 x4 NVMe SSD modules, and what step do people get wrong?

The 8 TB total storage is already installed by the builder. No user installation is required for the NVMe drives.

What maintenance will the Gelid GC Extreme on the GPU and Thermal Grizzly Conductonaut on the CPU need later?

The thermal interface materials are applied during the build and are not user-serviceable. No scheduled replacement is expected.

At what point does the 240Hz OLED panel hit its thermal or power limit during sustained loads?

The 16.0 inch 2560 x 1600 display runs at 240 Hz. Sustained limits are managed by the cooling system with upgraded TIM on both CPU and GPU.

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