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Dell Latitude 3000 3420 (2021) Specifications
The Dell Latitude 3000 3420 (2021) 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 Dell upgradeable models, visit the Dell Laptop Upgrades hub.
| Component | Specification |
|---|---|
| Processor | 11th Gen Intel Core i5-1135G7 / i3-1115G4 |
| RAM | DDR4-3200, 2 SO-DIMM slots (upgradeable) |
| Max RAM | 64GB (2× 32GB) |
| Storage | M.2 2230 or 2280 PCIe Gen4 NVMe, 1 slot, plus a 2.5-inch SATA bay on 3-cell battery configurations |
| Charger | 65W — 4.5mm barrel or USB-C, depending on configuration |
| Ports | 2× USB-A 3.2, 1× USB-C 3.1, HDMI 1.4, microSD |
| Display | 14.0" FHD IPS |
| Weight | 1.49 kg (3.29 lbs) |
Memory Upgrade Path
The Latitude 3000 3420 features 2 SO-DIMM slots for DDR4-3200 RAM. Each slot takes up to 32GB, for a maximum of 64GB (2x 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 (M.2 NVMe)
The Latitude 3000 3420 uses an M.2 2230 or 2280 NVMe SSD with a PCIe Gen4 x4 NVMe interface. The single M.2 slot supports drives up to 2TB.
Recommended M.2 2230 or 2280 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: 2230 drives are less common than the standard 2280. Verify compatibility before purchasing.
Power Delivery & Charging
The Latitude 3420 ships with a 65W adapter, offered either as a 4.5mm barrel or as USB-C depending on configuration. Dell did not offer a 45W option.
Check which connector your machine has before buying a replacement — the two configurations are not interchangeable.
Compatible USB-C PD Chargers:
- Anker 65W USB-C PD Charger — Compact GaN charger with multiple ports. Works with this and other USB-C devices.
- Ugreen USB-C PD Charger (45W+) — 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: 2× USB-A 3.2, 1× USB-C 3.1, HDMI 1.4, microSD
A USB-C docking station like the Anker 577 USB-C Hub provides additional ports including HDMI, Ethernet, and USB-A for desktop convenience.
Upgrade Difficulty & Tools Required
The Latitude 3000 3420 has a difficulty rating of 4/5 for upgrades (5 = easiest). The upgrade process is straightforward.
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 3000 3420?
Yes, the Latitude 3000 3420 has 2 SO-DIMM slots for user-upgradeable DDR4 memory.
What is the maximum RAM for the Latitude 3000 3420?
The Latitude 3000 3420 supports up to 64GB of DDR4-3200 memory (2x 32GB).
What size SSD does the Latitude 3000 3420 use?
The Latitude 3000 3420 takes an M.2 2230 or 2280 NVMe SSD in a single slot, so check which length is fitted before buying. Configurations with the 3-cell battery also have a 2.5-inch SATA bay.
Can I use any USB-C charger with the Latitude 3000 3420?
Only if your configuration has the USB-C charging port — some Latitude 3420 builds charge through a 4.5mm barrel instead. Either way it needs 65W.
Is the Latitude 3000 3420 easy to upgrade?
The Latitude 3000 3420 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 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 |
| WD SN740 2230 NVMe | Reliable compact SSD for the 2230 form factor. | View on Amazon |
| Samsung PM991a 2230 | High-performance OEM SSD in compact 2230 size. | View on Amazon |
| Kioxia BG5 2230 | Compact 2230 NVMe with good availability. | View on Amazon |
| Anker 65W USB-C PD Charger | Compact GaN charger. Universal solution for USB-C laptops. | View on Amazon |
| Ugreen 45W USB-C PD Charger | Affordable universal USB-C charger with fast charging. | View on Amazon |
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
Not sure what fits? Use our free Compatibility Checker covering 3,195+ models.
Helpful Guides
Upgrades that fit the Dell Latitude 3420
What fits: Memory: DDR4-3200 SO-DIMM, 2 user slots, up to 64GB · Storage: M.2 2230 or 2280 NVMe PCIe 4.0; 2.5in SATA drive supported · Charger: barrel 4.5mm or USB-C PD 65W
Spec source: dell.com (checked 26 Sep 2026).
As an Amazon Associate we earn from qualifying purchases. Prices & availability shown on Amazon.
