Inspiron 3891 Desktop

Inspiron Desktop

Limited Time:
First month subscription Premium Support included.

Tech Specs

10th Gen Intel® Core™ i7-10700 (16 MB cache, 8 cores, 16 threads, 2.90 GHz to 4.80 GHz Turbo)
Operating System
Windows 11 Home, English
Graphics Cardi
NVIDIA® GeForce® GTX 1660 SUPER™, 6 GB GDDR6
Hard Drive
512 GB, M.2, PCIe NVMe, SSD
12 GB, 1 x 8 GB + 1 x 4 GB, DDR4, 2933 MHz
Intel® Wi-Fi 6 2x2 (Gig+) and Bluetooth
Microsoft Office
No Microsoft Office License Included 30 day Trial Offer Only
Security Software
McAfee LiveSafe 30 Day Trial
Protect your purchasei - View Support offers below
Monthly Subscription Premium Support
Accidental Damage Service
Dell KB216 Wired Keyboard Black
Dell Optical Mouse - MS116 (Black)
1 USB 3.2 Gen 1 port (front)
1 USB 3.2 Gen 1 Type-C® port (front)
2 USB 2.0 ports (front)
2 USB 3.2 Gen 1 ports (rear)
2 USB 2.0 ports (rear)
1 global headset jack (front)
1 Line-out port (rear)
1 HDMI 1.4b port (rear)
1 VGA port (rear)
1 RJ-45 ethernet port (rear)
Optical Drive
No Optical Drive
1 Padlock ring slot
1 Kensington security-cable slot

1 PCIe x16
1 PCIe x1
1 M.2 2230 slot for WiFi and Bluetooth combo card
1 M.2 2230/2280 slot for PCIe solid-state drive
2 SATA slots for 3.5-inch HDD, 2.5-inch HDD/SSD
1 SATA slot for slim Optical Disk Drive (ODD) Optional
Dimensions & Weight
Height: 324.30 mm (12.77")
Width: 154 mm (6.06")
Depth: 293 mm (11.54")
Starting weight: 4.94 kg (10.88 lb)i
260 W Bronze
360 W Bronze
Regulatory Compliance
ENERGY STAR qualified configurations available
Product Safety and Environmental Datasheets
Dell Regulatory Compliance Home Page
Dell and the Environment
Japan Energy Law
South Korea E-standby
China RoHS


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 Hardware Support
Premium Support – Extend your hardware warranty & get a personalized 24x7 support team

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.

Set up your new PC fast

Dell Migrate is the simple do-it-yourself tool that moves the hard to replace data, personal records and important files to your latest Dell PC.

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*.

Best Selling Monitors

See it Bigger with a Dell Monitor

Dell Recommended Accessories

Check out these recommended accessories for your new Inspiron Desktop.

Top Rated Accessories

Highly Rated Customer Favorites

Inspiron Desktop

Est. Value
Dell Price
back in rewards


Operating system

Available with Windows 11 Home or Windows 11 Pro.

Performance you can count on

Latest processors: Built with up to the latest 10th Gen Intel® Core i7 processor you can expect fast, reliable performance and an exceptional PC experience.

Minimal design, maximum efficiency.

Space-saving exterior: Our latest Inspiron Desktop is designed to be space-efficient to compliment your work from home setup or office environment.

Finish tasks faster: Watch all your applications perform at their fullest with features including memory of up to 12GB DDR4, at 2666 MHz.

Your command center: Connect all your devices in a snap with plenty of front facing ports for easy access.

Easy connectivity: With a VGA and HDMI port you can connect to multiple monitors with ease.i
Minimal design, maximum efficiency.
Windows 11

Their latest. Our greatest.

Dynamic doesn’t begin to describe this duo. Together, Windows 11 and Dell PCs create a best-in-class experience.

A fresh perspective
An inspiring new look and feel makes for a calmer experience.

Balance your life
Refocus your workflow with snap assistant. Or Switch between desktops for greater organization of open windows.

Life’s better together
Call, chat, and make plans come to life with Teams on Windows 11i right from your PC regardless of what computer or phone or tablet they are on.i

Learn More
Ports & Slots

Ports & Slots

1. Optical Drive (optional) | 2. Power Button | 3. Global Headset Jack | 4. (2) USB 2.0 | 5. (1) USB 3.2 Gen 1 Type-C | 6. (1) USB 3.2 Gen 1 Type-A

1. Line Out | 2. HDMIi | 3. VGAi | 4. (2) USB 3.2 Gen 1 Type-A | 5. (2) USB 2.0 | 6. Power Supply Unit | 7. Ethernet Port | 8. Kensington Cable Lock

Dimensions & Weight

Dimensions & Weight

1. Height: 12.77" (324.3 mm) | 2. Width: 6.06" (154 mm) | 3. Depth: 11.54" (293 mm) | Starting Weight: 10.88 lb (4.94 kg)i

Protect your purchase

You do everything on your PC. It's nice to feel protected, especially at an affordable price.
Premium Support

Premium Support

Get help fast with access to 24x7 expert tech support over the phone or online for hardware issues and software installation. If we can’t solve it remotely, we’ll send a technician to your home, school, or work to fix it.

Accidental Damage Service

Accidental Damage Service

Stay worry-free, with protection from accidental drops, spills, and surgesi. Access to repairs is easy, with support designed to get you up and running fast.

Premium Support Plus

Premium Support Plus

Dell’s most comprehensive support plan allows you to get the most out of your PC, with the least amount of effort. From technology that predicts and fixes problems, to extra protection with Accidental Damage Service, you’ll enjoy day and night support.

Essential accessories for your Inspiron Desktop

Maximize the performance of your desktop with Dell-recommended essential accessories. Look for these great products and more at checkout.
Dell 24 Monitor - S2421HS

Dell 24 Monitor - S2421HS

23.8” FHD monitor beautifully designed to sit easily into any space ready for your everyday lifestyle. Flexibility for all-day comfort with height adjustable stand, tilt, swivel & pivot features.

Dell 27 Monitor - S2721HS

Dell 27 Monitor - S2721HS

27” FHD monitor beautifully designed to sit easily into any space ready for your everyday lifestyle. Flexibility for all-day comfort with height adjustable stand, tilt, swivel & pivot features.

Dell Mobile Wireless Mouse - MS3320W

Dell Mobile Wireless Mouse - MS3320W

Pair and connect to almost any PC via 2.4GHz wireless or Bluetooth 5.0 and enjoy a long 36 monthsi battery life.

Dell Multi-Device Wireless Keyboard and Mouse - KM7120W

Dell Multi-Device Wireless Keyboard and Mouse - KM7120W

Work seamlessly across 3 PCs on this compact keyboard and mouse that keeps your desk clutter-free and lets you stay productive with 36 months battery lifei.