Picture of a Dell Vostro 14 3420 Laptop with a colorful background and a dashboard on the screen.

Vostro 3420 Laptop

Stay tuned! This deal starts Jun 19 at 8:00 AM EST.

Tech Specs

12th Gen Intel® Core™ i5-1235U (12 MB cache, 10 cores, 12 threads, up to 4.40 GHz Turbo)
Operating System
Windows 11 Pro, English
Graphics Card
Intel® UHD Graphics
14", FHD 1920 x 1080, 60Hz, WVA, Non-Touch, Anti-Glare, Narrow Border, LED-Backlit
Hard Drive
256 GB, M.2, PCIe NVMe, SSD
8 GB, 1 x 8 GB, DDR4, 2666 MHz
Primary Battery
3 Cell, 41 Wh, integrated
Realtek Wi-Fi 5 RTL8821CE, 1x1, 802.11ac, MU-MIMO, Bluetooth® wireless card
Carbon Black
Microsoft Office
No Microsoft Office License Included 30 day Trial Offer Only
Comprehensive digital protection – including antivirus, privacy and identity protections
McAfee® Small Business Security 12-month subscription, Digitally Delivered
Protect your purchasei - View Support offers below
1 Year Hardware Service with Onsite Service After Remote Diagnosis
Accidental Damage Service
Backlit Keyboard, English
2 USB 3.2 Gen 1 port 
1 USB 2.0 Type-A port
1 Audio Jack
1 HDMI 1.4 port
HDMI 1.4 (Maximum resolution supported over HDMI is 1920x1080 @60Hz. No 4K/2K output)
1 4.5 mm x 2.9 mm DC-in port
1 Flip-Down RJ-45 port 10/100/1000 Mbps
1 M.2 2230 slot for WLAN
1 M.2 2230/2280 slot for solid-state drive
1 SD card slot
Dimensions & Weight
Carbon Black / Titan Grey (Plastic):
Height: 0.73" – 0.91" (18.62 mm – 23.02mm)
Width: 12.65 in. (321.27 mm)
Depth: 8.67 in. (220.26 mm)
Weight: 3.29 lb (1.49 kg)i
Carbon Black/ Titan Grey (Plastic) :
720p at 30 fps HD camera, single-integrated microphone
Audio and Speakers
Stereo speakers with Dialog, 2 W x 2 = 4 W total
65 Watt AC Adapter


Protect your purchase
You do everything on your PC, so keep it safe by upgrading your support plan to Premium Support.

Help Me Choose: PC support options

Help Me Choose: Monitor and Docking Station support options

Basic Service
ProSupport Plus (Includes Accidental Damage)

Accidental Damage Service

Add Accidental Damage Service and Dell will repair or replace your system in the event of accidental drops, spills and power surges. Coverage period must match Support coverage period.

Microsoft 365


Office Productivity Software


Security Software


PDF Solutions


Photo & Video Editing Software


Customer Favorites

Don't forget these compatible essentials for your Vostro 3420 Laptop

Customer Favorites

Don't forget these compatible essentials

Vostro 3420 Laptop

Dell Price
back in rewards
Product ID
Stay tuned — this deal is on the way!


Operating system

Available with Windows 11.
Picture of a Dell Vostro 14 3420 Laptop screen focused on the webcam available above the product.

Everyday productivity

This laptop with TÜV Rheinland certifiedi Dell ComfortView software technology helps reduce harmful blue light emissions to optimize eye comfort over extended screen time. And, a spill resistant, full-size keyboard with large touchpad puts your mind at ease while you work away. If you want to dial up your viewing experience, an FHD display panel offers more brightness and vivid color.

Keep business moving

Everyday tasks are quickly handled with ease using up to 12th Gen Intel® Core™ Processors. Plus, SSD storage delivers fast and smooth performance. And with up to an 80% charge in one hour using ExpressChargei, you know you can rely on your device to power through the day.
Picture of a Dell Vostro 14 3420 Laptop with a colorful background and a dashboard on the screen.
Picture of a Dell Vostro 14 3420 Laptop seen from above with a colorful background and a dashboard on the screen.

Stay secure

The Trusted Platform Module 2.0i is being a commercial-grade security chip installed on the motherboard that creates and stores passwords and encryption keys. It verifies that the computer has not been tampered with before booting up and protects your data against external software attacks.
Windows 11

Windows 11 Pro - designed for hybrid work.The most productive and secure version of Windows yet—but simple for IT.
Learn More
Picture of two Dell Vostro 14 3420 Laptops placed sideways with numbers from 1 to 9 signaling the product ports.


Ports & Slots

1. SD 3.0 card reader​
2. USB 2.0
3. RJ-45
4. Headset jacki
5. Wedge shaped lock slot

6. Power jack
7. HDMI 1.4i
8. USB 3.2 Gen 1
9. USB 3.2 Gen 1

Picture of a Dell Vostro 3420 laptop with its back visible and numbers from 1 to 3 signaling product dimensions & weight.


Dimensions & Weight

Plastic chassis:
1. Height: 0.73" – 0.91" (18.62 mm – 23.02mm)
2. Width: 12.74" (323.67mm )
3. Depth: 8.67" (220.26mm)

Starting Weight: 3.26 lbs (1.48 kg)i

We’ve got your business covered

Dell laptop over a table with a glass cup behind the product. A soccer ball is hitting the laptop screen.

Accidental Damage Service

Accidents happen. Protect your PC from drops, spills and other disasters. Accidental Damagei offers you efficient repair or replacement service that reduces worry and gets you back to doing what you love, fast.

Smiley man with a headset on his head using a Dell monitor, mouse and keyboard placed over a wood table.


Get 24x7 proactive, automated support and onsite service when you need it with Dell ProSupport. Let our team give you back valuable time so you can take care of business.

Smiley woman on a green shirt and a headset on her head using a Dell laptop.

ProSupport Plus

Get anytime priority access to expert support with AI-driven predictive analytics and Accidental Damage Service to protect against drops, spills, surges and more.