Dell Latitude 3120 (2021) Specifications
The Dell Latitude 3120 (2021) is a versatile laptop offering solid performance for everyday computing. This guide covers RAM, SSD, charger compatibility, and upgrade paths for this model. For a comprehensive overview of all Dell upgradeable models, visit the Dell Laptop Upgrades hub.
| Component | Specification |
|---|---|
| Processor | Celeron N4500 / Pentium N6000 |
| RAM | DDR4, 2 slots (upgradeable) |
| Max RAM | 16GB |
| Storage | M.2 2230 NVMe PCIe Gen3, 1 slot |
| Charger | 45W USB-C |
| Ports | 2x USB-C, 1x USB 3.0 |
| Display | 11.6″ HD |
| Weight | 1.3 kg (2.87 lbs) |
Memory Upgrade Path
The Latitude 3120 features 2 SO-DIMM slots for DDR4 RAM, allowing upgrades up to 16GB. 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 Latitude 3120 uses an M.2 2230 NVMe SSD with a NVMe PCIe Gen3 interface. The single M.2 slot supports drives up to 2TB.
Recommended M.2 2230 SSDs:
- WD SN740 2230 NVMe — Reliable compact SSD for the 2230 form factor.
- Samsung PM991a 2230 — High-performance OEM SSD in compact 2230 size.
- Kioxia BG5 2230 — Compact 2230 NVMe with good availability.
Note: M.2 2230 drives are less common than the standard 2280. Verify compatibility before purchasing.
Power Delivery & Charging
The Latitude 3120 uses a 45W 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 Dell charger.
Compatible USB-C PD Chargers:
- Anker 65W USB-C PD Charger — Compact GaN charger with multiple ports.
- Ugreen USB-C PD Charger (45W+) — Affordable universal charger with fast charging.
- INIU USB-C PD Fast Charger — Budget option with reliable performance.
Port & Docking Capabilities
Connectivity: 2x USB-C, 1x USB 3.0
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 Latitude 3120 has a difficulty rating of 4/5 for upgrades (5 = easiest). The upgrade process is straightforward — standard screws and easy component access.
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 Dell Latitude 3120?
Yes, the Latitude 3120 has 2 SO-DIMM slots for user-upgradeable DDR4 memory, supporting up to 16GB.
What is the maximum RAM for the Latitude 3120?
The Latitude 3120 supports up to 16GB of DDR4 memory.
What size SSD does the Latitude 3120 use?
The Latitude 3120 uses an M.2 2230 NVMe SSD. Make sure to purchase the correct form factor for compatibility.
Can I use any USB-C charger with the Latitude 3120?
Yes, any USB-C Power Delivery charger rated for 45W or higher will work with the Latitude 3120.
Is the Latitude 3120 easy to upgrade?
The Latitude 3120 has a difficulty rating of 4/5. 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 DDR4 SO-DIMM | Reliable DDR4 laptop memory with wide compatibility. | View on Amazon UK |
| Kingston Fury Impact DDR4 SO-DIMM | Compact high-performance DDR4 for laptops. | View on Amazon UK |
| Crucial DDR4 SO-DIMM | Affordable DDR4 with solid performance. | View on Amazon UK |
| WD SN740 2230 NVMe | Reliable compact SSD for the 2230 form factor. | View on Amazon UK |
| Samsung PM991a 2230 | High-performance OEM SSD in compact 2230 size. | View on Amazon UK |
| Kioxia BG5 2230 | Compact 2230 NVMe with good availability. | View on Amazon UK |
| Anker 65W USB-C PD Charger | Compact GaN charger for USB-C laptops. | View on Amazon UK |
| Ugreen 45W USB-C PD Charger | Affordable universal USB-C charger. | View on Amazon UK |
Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.
Related Dell Upgrade Guides
- Dell Battery Replacement: Latitude, XPS & Inspiron Step-by-Step
- Best RAM for Dell Laptops in 2026
- Dell Precision T7920 RAM & SSD Upgrade Guide (2018)
- Dell Precision T7875 RAM & SSD Upgrade Guide (2024)
- Dell Precision T5860 RAM & SSD Upgrade Guide (2024)
- Dell Upgrade Guide
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