ASUS Duo (2024) UX8406 (2024) Specifications
The ASUS Duo (2024) UX8406 (2024) is an ultraportable laptop designed for productivity and portability. This guide covers RAM, SSD, charger compatibility, and upgrade paths for this model. For a comprehensive overview of all ASUS upgradeable models, visit the ASUS Laptop Upgrades hub.
| Component | Specification |
|---|---|
| Processor | Intel Core Ultra 7 165H |
| RAM | LPDDR5X, 0 Soldered slots (soldered) |
| Max RAM | 32GB |
| Storage | M.2 NVMe PCIe 4.0, 1 slot |
| Charger | 140W USB-C |
| Ports | Thunderbolt 4, USB 3.2, HDMI 2.1 |
| Display | Dual 14 inch OLED 2.8K 120Hz |
| Weight | 2.3 kg (5.07 lbs) |
Memory Upgrade Path
The Duo (2024) UX8406 has soldered LPDDR5X RAM which cannot be upgraded after purchase. Select the maximum RAM configuration when buying.
Important: Since the RAM is not user-replaceable, we recommend opting for at least 16GB at purchase to ensure adequate performance for years to come.
Storage Expansion (M.2 NVMe)
The Duo (2024) UX8406 uses a standard M.2 NVMe SSD with a NVMe PCIe 4.0 interface. The single M.2 slot supports drives up to 2TB.
Recommended M.2 SSDs:
- Samsung 990 Pro NVMe 2280 — Flagship NVMe SSD with exceptional speeds.
- WD Black SN850X 2280 — High-performance NVMe with excellent sustained writes.
- Crucial P5 Plus NVMe 2280 — Excellent value NVMe with strong real-world performance.
Power Delivery & Charging
The Duo (2024) UX8406 uses a 140W USB-C charger. This is compatible with any USB-C PD charger of equal or higher wattage from brands like Anker, Ugreen, or the original ASUS charger.
Compatible USB-C PD Chargers:
- Anker 140W USB-C PD Charger — Compact GaN charger with multiple ports. Works with this and other USB-C devices.
- Ugreen USB-C PD Charger (140W+) — Affordable universal charger with fast charging and solid reviews.
- INIU USB-C PD Fast Charger — Budget option with reliable performance and portability.
Port & Docking Capabilities
Connectivity: Thunderbolt 4, USB 3.2, HDMI 2.1
The Thunderbolt 4 ports provide fast external storage and high-bandwidth peripherals. Consider a Thunderbolt dock like the CalDigit TS4 or Belkin Thunderbolt 4 Dock Pro for desktop expansion with multiple displays and storage.
Upgrade Difficulty & Tools Required
The Duo (2024) UX8406 has a difficulty rating of 5/5 for upgrades (5 = easiest). The upgrade process is very easy.
Tools needed:
- Phillips screwdriver (M2.5 or similar)
- Plastic spudger or pry tool (for bottom panel clips)
- ESD wrist strap (optional but recommended)
We recommend backing up your data and consulting the official service manual before opening the chassis.
Frequently Asked Questions
Can I upgrade the RAM in the ASUS Duo (2024) UX8406?
The Duo (2024) UX8406 has soldered RAM which cannot be upgraded after purchase. Choose the maximum RAM when buying.
What is the maximum RAM for the Duo (2024) UX8406?
The Duo (2024) UX8406 supports up to 32GB of LPDDR5X memory.
Can I add a second SSD to the Duo (2024) UX8406?
The Duo (2024) UX8406 has 1 M.2 slot. You can replace the existing SSD with a larger drive.
Can I use any USB-C charger with the Duo (2024) UX8406?
Yes, any USB-C Power Delivery charger rated for 140W or higher will work.
Is the Duo (2024) UX8406 easy to upgrade?
The Duo (2024) UX8406 has a difficulty rating of 5/5. Standard screws and clear access to components.
Recommended Products
These are the products we recommend based on this guide. All links go to Amazon UK where you can check current prices and availability.
| Product | Why We Recommend It | Amazon UK |
|---|---|---|
| Corsair Vengeance DDR5 SO-DIMM | Premium DDR5 laptop memory with excellent compatibility. | View on Amazon UK |
| Kingston Fury Impact DDR5 SO-DIMM | High-performance DDR5 with solid heat dissipation. | View on Amazon UK |
| Crucial DDR5 SO-DIMM | Budget-friendly DDR5 with proven stability. | View on Amazon UK |
| Samsung 990 Pro NVMe 2280 | Flagship NVMe SSD with exceptional speeds. | View on Amazon UK |
| WD Black SN850X 2280 | High-performance NVMe with excellent sustained writes. | View on Amazon UK |
| Crucial P5 Plus NVMe 2280 | Excellent value NVMe with strong real-world performance. | View on Amazon UK |
| Anker 140W USB-C PD Charger | Compact GaN charger. Universal solution for USB-C laptops. | View on Amazon UK |
| Ugreen 140W USB-C PD Charger | Affordable universal USB-C charger with fast charging. | View on Amazon UK |
Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.
