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Eclipse Gray ROG Zephyrus G16 laptop, slim 16 inch OLED display, matte finish

ASUS

ASUS ROG Zephyrus G16 GU605CX Eclipse Gray gaming laptop

SKU CH-2ZST-6NMZ7

16-inch 2.5K 240Hz OLED laptop with Intel Core Ultra 9-285H, RTX 5090, 32GB LPDDR5X and 8TB NVMe SSD

  • 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

Color Eclipse Gray

Operating System Windows 11 Pro

GPU GeForce RTX 5090 Laptop GPU

Memory 32GB

SSD 8 TB

  • Intel Core Ultra 9 285H reaches 5.4 GHz turbo for responsive heavy workloads
  • RTX 5090 with 24 GB GDDR7 drives high-frame-rate 4K gaming
  • 16 inch 2.5K 240Hz OLED panel delivers sharp motion clarity
  • 32 GB LPDDR5X 7467 MT/s memory handles multitasking without bottleneck
  • 8 TB PCIe 4.0 NVMe SSD provides vast space and fast load times

16-inch 2.5K 240Hz OLED

The ASUS ROG Zephyrus G16 GU605CX is a 16-inch gaming laptop finished in Eclipse Gray. It runs Windows 11 Pro on an Intel Core Ultra 9 285H processor with 16 cores and a 5.4 GHz maximum turbo frequency. The system includes 32 GB of LPDDR5X memory at 7467 MT/s and an 8 TB PCIe 4.0 x4 NVMe SSD. Graphics are provided by an NVIDIA GeForce RTX 5090 with 24 GB of GDDR7 video memory. The 2560 x 1600 OLED panel operates at 240 Hz.

Who this suits and who it does not

This configuration targets users who need a high-refresh OLED display, 24 GB of GPU memory and 8 TB of fast storage in a 4.08 lb chassis. The 16-core CPU and RTX 5090 handle demanding creative workloads and modern titles at the native 2.5K resolution. Buyers who prefer a larger screen, a higher core count or a lighter device for travel should evaluate alternative form factors.

The specification that decides fit

The 16-inch 2560 x 1600 240 Hz OLED panel is the single specification that determines suitability. Its resolution, refresh rate and colour performance define the visual experience for gaming and content creation. If the panel characteristics match the workflow, the supporting hardware is sized to drive it; if a different aspect ratio, refresh target or display technology is required, another model will be appropriate.

How it compares

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

Price $5,140.99
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.
Refresh frequency 240 Hz
Higher than about 70% of the 2,443 comparable items (median 165 Hz).

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-HID3P
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
Processor codenameArrow Lake
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 configuration8 TB M.2 PCIe 4.0 x4 NVMe SSD
Display
Screen size16.0 in (40.6 cm)
Display resolution2560 × 1600
Refresh frequency240 Hz
Touch inputNo
Display16 in 2.5K
Display format2.5K
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
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-Fi standardWi-Fi 7
Wi-FiWi-Fi 7(802.11be) (Triple band) 2 × 2
Bluetooth supportBluetooth® 5.4
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 ports1x Thunderbolt™ 4 support DisplayPort™ / power delivery
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

Other versions of this model

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Questions about this item

How hot does the Core Ultra 9 285H and RTX 5090 run during long sessions with the Gelid GC Extreme thermal paste applied?

HIDevolution applies Thermal Grizzly Conductonaut on the CPU and Gelid GC Extreme on the GPU to lower system temperatures under sustained loads.

Does the 32 GB LPDDR5X 7467 memory require a separate SO-DIMM kit or is it already installed?

The 32 GB LPDDR5X 7467 dual-channel memory is soldered on board and configured by HIDevolution before shipping.

Can the 8 TB PCIe 4.0 NVMe SSD coexist with a second M.2 drive for extra storage?

The laptop includes a single 8 TB M.2 PCIe 4.0 x4 NVMe SSD; no second M.2 slot is mentioned in the specifications.

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