Inspiron 3891 Desktop

Inspiron Compact Desktop

Tech Specs

10th Gen Intel® Core™ i5-10400 processor(6-Core, 12M Cache, 2.9GHz to 4.3GHz)
Operating System
Windows 11 Home, English
Video Card
Intel® UHD Graphics 630 with shared graphics memory
Hard Drive
512GB M.2 PCIe NVMe Solid State Drive
12GB, 8Gx1 + 4Gx1, DDR4, 2666MHz
Intel® Wi-Fi 6 2x2 (Gig+) and Bluetooth
Microsoft Office
No Microsoft Office License Included 30 day Trial Offer Only
Security Software
McAfee LiveSafe 12 Month Subscription
Support Services
1 Year Hardware Service with Onsite/In-Home Service After Remote Diagnosis
Accidental Damage Protection
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
Tray load DVD Drive (Reads and Writes to DVD/CD)
1 SD 3.0 card-slot, optional
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)
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
ENERGY STAR qualified configurations available
Product Safety, EMC and Environmental Datasheets
Dell Regulatory Compliance Home Page
Dell and the Environment
Japan Energy Law
South Korea E-standby
China RoHS


PCs: You do everything on your PC, so keep it safe by upgrading your support plan. You'll prevent costly damage and downtime.
Monitors: When you choose Premium Support for monitors you get 24x7 support* for set-up, configuration, video card downloads & driver, help troubleshooting issues and if needed, next business day Advanced Exchange monitor replacement*

Getting Started
Premium Support
Premium Support Plus

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 Office

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

No Office license included
Permanent License for 1 PC

Security Software

Dell includes McAfee to secure every device you own.

Dell Monitors #1 Worldwide

Hot Deals - Enjoy incredible value on our popular accessories.

4+ Star Customer Favorites for Inspiron Laptops

Hot Deals - Enjoy incredible value on our popular accessories.

Dell Recommended for Inspiron Desktops

Hot Deals - Enjoy incredible value on our popular accessories.

Inspiron Compact Desktop

Est. Value
CAD $1,028.99
Total Savings
CAD $329.00
Dell Price
back in rewards
Product ID

Features & Design

Operating System

Available with Windows 11 Home or Windows 11 Pro – Get the best combination of Windows features you know and new improvements you’ll love.

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.
Unite your devices with Dell Mobile Connect.

Unite your devices with Dell Mobile Connect.

Stay focused and connected: Stay focused on tasks by interacting with your phone directly from your Dell PC– you can easily make calls, send texts, and get notifications.

Transfer files seamlessly: Transfer files, photos, videos, music, and documents between your PC and phone without complicated cloud storage or cumbersome cables. iOS file transfer only for photos and videos.

Mirror Device to PC: Project your Android or iOS device screen onto your PC and interact with apps there.

Maintain your privacy: Your phone connects to your PC via Dell Mobile Connect’si point-to-point, secure connection so your data is never exposed via unsecure internet connections.
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.