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Lenovo 12D90 21.5
Lenovo 12D90 21.5
Lenovo 12D90 21.5
Lenovo 12D90 21.5
Lenovo 12D90 21.5
Lenovo 12D90 21.5
Lenovo 12D90 21.5
Lenovo

Lenovo 12D90 21.5" i3 16GB RAM 1TB AIO Desktop

★★★★★4.8 (43 reviews)
UHD1920x1080i3-1115G416GB RAM2TB SSD

A space-saving 21.5-inch all-in-one desktop with an 11th Gen Intel i3 processor, 16GB RAM, and 1TB SSD running Windows 11 Pro.

$629.99*
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*Price sourced from Amazon.com. Last updated:Jun 08, 2026.Price and availability are subject to change.

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Overview

The Lenovo 12D90 is a 21.5-inch all-in-one desktop that consolidates the display and computer into a single unit, reducing desktop clutter and simplifying setup. Its 11th Gen Intel Core i3-1115G4 processor offers two cores and four threads with a turbo speed of up to 4.10 GHz, which is well matched for office productivity, web browsing, video conferencing, and light media consumption. Paired with 16GB of RAM and a 1TB SSD, the system loads applications quickly and handles routine multitasking without bottlenecks.

The Full HD (1920x1080) IPS panel delivers consistent color and viewing angles across the 21.5-inch screen, while anti-glare coating, low blue light certification, and flicker-free technology help reduce eye strain during long work sessions. Connectivity is well covered with two USB 3.2 ports, two USB 2.0 ports, HDMI-out for a second display, Ethernet, Wi-Fi, and Bluetooth. The system ships with Windows 11 Pro, a mouse, and a keyboard, making it ready to use out of the box for small businesses, reception areas, or home offices that value a tidy workspace.

Key Features

【Storage and RAM】 Benefit from enhanced multitasking capabilities with Up to 32GB of RAM, which provides higher bandwidth for seamless performance. Embrace the blazing-fast speeds of Up to 2TB SSD storage, offering up to 15 times faster performance compared to traditional hard drives.

【Display】The AIO display features a 21.5" size, Full HD resolution (1920x1080), LED IPS 250nits Anti-glare technology, and a 16:9 aspect ratio. Certified displays have reduced blue light and are flicker free to protect eyes and preserve user vision and allow the user to change body position without compromising visual image quality.

【Processor】11th Gen Intel Core i3-1115G4 (6 MB cache, 2 cores, 4 threads, up to 4.10 GHz Turbo) | Integrated Intel UHD Graphics

【Connectivity and USB Ports】The device offers a comprehensive range of connectivity options, including two USB 3.2 ports,two USB 2.0 Ports, a HDMI-out, and an Ethernet (RJ45) port, accompanied by Wi-Fi and bluetooth combo.

【Operating System and Accessory】 Embrace the modern Windows 11 Pro operating system, providing a seamless and user-friendly interface in English.

Specifications

Brand
Lenovo
Model
12D90
Display
21.5" Full HD (1920x1080) IPS, 250 nits, anti-glare
Processor
11th Gen Intel Core i3-1115G4 (2 cores, 4 threads, up to 4.10 GHz)
Graphics
Intel UHD Graphics (integrated)
Memory
16GB RAM (up to 32GB)
Storage
1TB SSD
Operating System
Windows 11 Pro
USB Ports
2x USB 3.2, 2x USB 2.0
Video Output
HDMI-out
Networking
Ethernet (RJ45), Wi-Fi, Bluetooth
Included Accessories
Mouse and keyboard

Pros & Cons

👍 Pros

  • All-in-one form factor eliminates a separate tower, saving desk space and reducing cable clutter.
  • 1TB SSD provides fast boot times, quick application launches, and ample storage for everyday files.
  • 21.5-inch Full HD IPS display with anti-glare coating and low blue light certification is comfortable for extended use.
  • Windows 11 Pro includes business-oriented features such as BitLocker encryption and remote desktop support.
  • 16GB of RAM handles multitasking with browsers, office applications, and light media work without slowdown.

👎 Cons

  • 11th Gen Intel Core i3 dual-core processor is underpowered for demanding tasks like video editing or heavy multitasking.
  • Integrated Intel UHD Graphics is not suitable for gaming or GPU-intensive creative workloads.
  • 21.5-inch screen is on the smaller side for users accustomed to 24-inch or larger monitors.
  • All-in-one design makes component upgrades beyond RAM and storage difficult or impossible.
  • No touchscreen capability limits interaction to the included mouse and keyboard.

Frequently Asked Questions

The listing notes support for up to 32GB of RAM, suggesting the memory is upgradeable, but you should confirm slot accessibility with Lenovo's documentation for this specific model.
The product description does not mention touch capability; it specifies a standard Full HD IPS anti-glare display.
It includes two USB 3.2 ports, two USB 2.0 ports, an HDMI-out, an Ethernet (RJ45) port, Wi-Fi, and Bluetooth.
Yes, the HDMI-out port allows you to connect an external monitor for a dual-display setup.
Yes, a mouse and keyboard are included in the box.

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