Affiliate disclosure: this page contains affiliate links — if you buy through them we may earn a commission at no extra cost to you. As an Amazon Associate we earn from qualifying purchases.
Dynabook Portege X30L-G (2020) Specifications
The Dynabook Portege X30L-G (2020) is a professional-grade business laptop for enterprise users. This guide covers RAM, SSD, charger compatibility, and upgrade paths for this model. For a comprehensive overview of all Dynabook upgradeable models, visit the Dynabook Laptop Upgrades hub.
| Component | Specification |
|---|---|
| Processor | i5-10210U / i7-10510U / i5-10310U vPro / i7-10610U vPro / i7-10810U |
| RAM | 8GB DDR4-2666 on board + 1 expansion slot |
| Max RAM | 24GB (8GB on board + 16GB module) |
| Storage | M.2 2280 NVMe PCIe Gen3, 1 slot |
| Charger | 45W universal AC adaptor (barrel, not USB-C) |
| Ports | 1x USB-C, 2x USB 3.2, 1x HDMI |
| Display | 13.3″ FHD IPS |
| Weight | 0.87 kg (1.92 lbs) |
Memory Upgrade Path

The Dynabook Portege X30L-G has 8GB soldered on board plus a single expansion slot, taking it to 32GB. Both slots are user-accessible, and the upgrade process is straightforward.
Recommended DDR4 RAM Upgrades:
- Corsair Vengeance DDR4 SO-DIMM — Reliable DDR4 laptop memory with wide compatibility.
- Kingston Fury Impact DDR4 SO-DIMM — Compact high-performance DDR4 for laptops.
- Crucial DDR4 SO-DIMM — Affordable DDR4 with solid performance.
Storage Expansion

The Dynabook Portege X30L-G uses a standard M.2 2280 NVMe SSD with a NVMe PCIe Gen3 interface. The single M.2 slot supports drives up to 2TB.
Recommended M.2 2280 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 Dynabook Portégé X30L-G uses a 45W universal AC adaptor — a barrel connector, not USB-C. This is compatible with any USB-C PD charger of equal or higher wattage from brands like Anker, Ugreen, or the original Dynabook charger.
Compatible USB-C PD Chargers:
- Anker 65W USB-C PD Charger — Compact GaN charger with multiple ports.
- Ugreen USB-C PD Charger (65W+) — Affordable universal charger with fast charging.
- INIU USB-C PD Fast Charger — Budget option with reliable performance.
Port & Docking Capabilities
Connectivity: 1x USB-C, 2x USB 3.2, 1x HDMI
A USB-C docking station like the Anker 577 USB-C Hub provides additional ports including HDMI, Ethernet, and USB-A.
Upgrade Difficulty & Tools Required
The Dynabook Portege X30L-G has a difficulty rating of 3/5 for upgrades (5 = easiest). The upgrade process is moderate — requires careful handling of bottom panel clips.
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 Dynabook Portege X30L-G?
Partly. The Portégé X30L-G has 8GB of DDR4-2666 soldered to the board plus one expansion slot, so the practical ceiling is 24GB (8GB soldered + a 16GB module).
What is the maximum RAM for the Dynabook Portege X30L-G?
24GB — 8GB soldered plus a 16GB module in the single expansion slot.
Can I add a second SSD to the Dynabook Portege X30L-G?
The Dynabook Portege X30L-G has 1 M.2 slot. You can replace the existing SSD with a larger drive.
Can I use any USB-C charger with the Dynabook Portege X30L-G?
Yes, any USB-C Power Delivery charger rated for 65W or higher will work with the Dynabook Portege X30L-G.
Is the Dynabook Portege X30L-G easy to upgrade?
The Dynabook Portege X30L-G has a difficulty rating of 3/5. Some care needed with bottom panel clips.
Recommended Products
These are the products we recommend based on this guide. All links go to Amazon where you can check current prices and availability.
| Product | Why We Recommend It | Amazon |
|---|---|---|
| Corsair Vengeance DDR4 SO-DIMM | Reliable DDR4 laptop memory with wide compatibility. | View on Amazon |
| Kingston Fury Impact DDR4 SO-DIMM | Compact high-performance DDR4 for laptops. | View on Amazon |
| Crucial DDR4 SO-DIMM | Affordable DDR4 with solid performance. | View on Amazon |
| Samsung 990 Pro NVMe 2280 | Flagship NVMe SSD with exceptional speeds. | View on Amazon |
| WD Black SN850X 2280 | High-performance NVMe with excellent sustained writes. | View on Amazon |
| Crucial P5 Plus NVMe 2280 | Excellent value NVMe with strong real-world performance. | View on Amazon |
| Anker 65W USB-C PD Charger | Compact GaN charger for USB-C laptops. | View on Amazon |
| Ugreen 65W USB-C PD Charger | Affordable universal USB-C charger. | View on Amazon |
Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.
Related Guides
Upgrades that fit the Dynabook Portege X30L-G
What fits: Memory: DDR4-2666 SO-DIMM (8GB soldered on the board), 1 user slot, up to 24GB · Storage: M.2 (length unconfirmed) NVMe PCIe (gen unverified)
Spec source: asia.dynabook.com (checked 26 Sep 2026).
As an Amazon Associate we earn from qualifying purchases. Prices & availability shown on Amazon.



