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

Vostro 3420 Laptop

Tech Specs

12th Gen Intel® Core™ i7-1255U (12 MB cache, 10 cores, 12 threads, up to 4.70 GHz Turbo)
Operating System
Windows 11 Pro, English
Graphics Card
Intel® Iris® Xe Graphics
14", FHD 1920 x 1080, 60Hz, WVA, Non-Touch, Anti-Glare, Narrow Border, LED-Backlit
Hard Drive
512 GB, M.2, PCIe NVMe, SSD
16 GB, 2 x 8 GB, DDR4, 2666 MHz
Primary Battery
3 Cell, 41 Wh, integrated
802.11ac 1x1 WiFi and Bluetooth
Carbon Black
Microsoft Office
No Microsoft Office License Included 30 day Trial Offer Only
Security Software
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)

Microsoft 365

By choosing Microsoft 365, you will have the latest versions of Word, Excel, PowerPoint, OneNote and Outlook, plus 1TB of cloud storage and 60 minutes of Skype calls a month. Choose between the subscription for 1 user (Microsoft 365 Personal) or up to 5 users (Microsoft 365 Home), and always have access to your documents from your mobile phone, tablet, PC or Mac.

Office Productivity Software

Add the latest Office to your PC to do your best work – anywhere, anytime and with anyone.

Security Software

Purchase a Dell PC and protect all your household devices with McAfee LiveSafe™ service, named PC Mag Editor's Choice. Easily protect and manage an unlimited number of computers, smartphones*, and tablets*.

PDF Solutions

Foxit PhantomPDF is the feature-rich PDF editor, comparable to Adobe Acrobat, which allows users to create, edit, and sign PDF files.

Digitally Downloaded 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

Est. Value
Dell Price
back in rewards
Product ID


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


Picture of a Dell 24 Monitor E2422HS with a nature background on the screen.

Dell 24 Monitor | E2422HS

Enhance your daily workflow with this space saving 23.8" FHD monitor that comes with a wide viewing angle, height adjustable stand and built-in speakers.

Picture of a Dell Multimedia Keyboard KB216.

Dell Multimedia Keyboard | KB216

Compact, full size wired keyboard come with quiet keys with multimedia shortcuts and is spill resistant.

Picture of a Dell Optical Mouse MS116.

Dell Optical Mouse | MS116

Features optical LED tracking and wired connectivity providing a stellar performance day after day.

Picture of a Dell Docking Station USB 3.0 (D3100).

Dell Docking Station | USB 3.0 (D3100)

The Dell D3100 Dock connects your laptop to up to three additional monitors, various external devices and the Internet with a single USB 3.0 connection.

Picture of a Dell Pro Stereo Headset WH3022.

Dell Pro Stereo Headset | WH3022

Experience exceptional audio clarity with this Teams certified wired headset that allows you to wear the microphone on either side for a customized fit.

Picture of a Dell Essential Backpack 15 ES1520P.

Dell Essential Backpack 15 | ES1520P

A bright, reflective graphic on the front panel of the Dell Essential Backpack 15 helps increase visibility during low light commute hours and provides quality protection for your laptop.

We’ve got your business covered

Accidental Damage Service

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.



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.


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.