ASUS Zenbook A16 (UX3607OA) / MSI Stealth 18 HX AI A2XWJG-035US

ASUS Zenbook A16 (UX3607OA): UX3607OA-ZB/A16_X0 · X2E-94-100 · touch, 48 GB / 1 TB

MSI Stealth 18 HX AI A2XWJG-035US: A2XWJG-035US (US): Core Ultra 9 275HX, RTX 5090 Laptop GPU 24 GB, 64 GB DDR5, 2 TB, 18-inch UHD+ Mini LED 120 Hz, Windows 11 Pro, Midnight Black. The RTX 5080 A2XWIG, RTX 5070 Ti A2XWHG and QHD+ 240 Hz IPS SKUs are separate configurations.

SpecificationASUS Zenbook A16 (UX3607OA)MSI Stealth 18 HX AI A2XWJG-035US
Release year20262025
Announcement7 January 2026 ASUS—
Availability7 April 2026: manufacturer confirmed this configuration was on sale ASUS—
ProcessorSnapdragon X2 Elite Extreme X2E-94-100; 18 cores / 18 threads ASUSIntel Core Ultra 9 275HX; 2.1–5.4 GHz

Arrow Lake-HX generation 24-core processor (8 performance, 16 efficiency) on the Intel HM870 chipset. There is no Hyper-Threading, so each core runs one thread.

MSI
Graphics and NPUQualcomm Adreno; Hexagon NPU, up to 80 TOPS ASUS—
Display16-inch touch OLED; 2880 × 1800; 16:10; 120 Hz ASUS18-inch UHD+ 3840 × 2400, 120 Hz, Mini LED, HDR 1000, 100% DCI-P3; matte surface

The 16:10 panel is an LCD lit from behind by many small LED zones; local dimming gives high brightness and contrast in HDR content, though halos can appear around bright objects in dark scenes. MSI’s family page describes the panel as "IPS-Level".

MSI
Brightness500 nits; 1100 nits HDR peak

HDR peak brightness is not a sustained full-screen figure.

ASUS		—
Memory48 GB LPDDR5X, onboard; not user-upgradeable ASUS64 GB (2 × 32 GB) DDR5-5600; 2 SO-DIMM slots, up to 96 GB

Both slots come populated, so an upgrade means replacing the modules. MSI lists support up to DDR5-6400; the actual speed depends on the memory combination and the CPU.

MSI
Storage1 TB M.2 NVMe PCIe 4.0 SSD; one M.2 2280 slot ASUS2 TB NVMe PCIe Gen4 x4 SSD; 1 M.2 slot

There is no second SSD slot; MSI advises consulting a service centre before upgrading the SSD.

MSI
Operating systemWindows 11 Home, Arm64 ASUS—
USB ports2 × USB4 USB-C, up to 40 Gbit/s, display output and power input; 1 × USB-A 3.2 Gen 2 ASUS—
Other portsHDMI 2.1 TMDS; SD 4.0 reader; 3.5 mm combo audio jack ASUS—
WirelessWi-Fi 7, tri-band, 2 × 2 ASUS—
CameraFHD with infrared for Windows Hello ASUS—
Battery70 Wh, 3-cell lithium-ion ASUS—
Power adapter130 W USB-C; original ASUS VDM adapter for best performance ASUS—
Body353.5 × 242.4 × 13.8–16.5 mm; touch version approximately 1.30 kg ASUS—
Graphics—NVIDIA GeForce RTX 5090 Laptop GPU, 24 GB GDDR7; 150 W maximum graphics power with Dynamic Boost; up to 1875 MHz boost

The laptop RTX 5090 is not the same card as the desktop RTX 5090. 150 W is the ceiling MSI sets for this thin chassis, so slightly lower GPU performance than thicker 175 W models is expected. MSI quotes 1824 AI TOPS.

MSI
Ports—2 × Thunderbolt 4 (DisplayPort / Power Delivery 3.1); 2 × USB 3.2 Gen 2 Type-A; 1 × HDMI 2.1 (8K 60 Hz / 4K 120 Hz); 1 × RJ45; 1 × headset combo jack

Thunderbolt 4 carries 40 Gbit/s data and video over the USB-C shaped port. This model has no Thunderbolt 5.

MSI
Card reader—1 × SD Express card reader

SD Express uses a PCIe/NVMe interface for much faster transfers with compatible cards; ordinary SD cards are still read.

MSI
Networking—Intel Killer BE Wi-Fi 7 (BE1750); Bluetooth 5.4; 2.5 GbE Killer E3100G wired LAN MSI
Keyboard and input—SteelSeries per-key RGB gaming keyboard with numpad and Copilot key; fingerprint reader MSI
Webcam—IR FHD (1080p 30 fps) HDR camera with 3DNR+ noise reduction and a physical shutter

The IR camera enables Windows Hello face sign-in.

MSI
Audio—2 × 2 W speakers and 4 × 2 W woofers (Dynaudio tuned); array microphone MSI
Battery and adapter—99.9 Wh, 4-cell lithium-ion; 280 W adapter

99.9 Wh is just under the common airline carry-on battery limit. Full GPU performance needs the 280 W adapter.

MSI
Size and weight—399.99 × 289.67 × 19.9–23.99 mm; 2.89 kg MSI
Security—fTPM 2.0, Secured-core PC, Kensington lock slot MSI
Operating system and warranty—Windows 11 Pro; 1-year limited warranty (including 1 year global coverage) MSI