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Lenovo 21A40144US ThinkBook 15 G3 ACL Notebook - 15. 6" Full HD IPS - AMD Ryzen 5 5500U Hexa-core - 8 GB RAM - 256 GB NVMe SSD - Windows 11 Pro
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Product Features
Technical Overview
At the core of the ThinkBook 15 G3 ACL is the AMD Ryzen 5 5500U processor, a hexa-core CPU with a base speed of 2.10 GHz and a maximum turbo speed of 4 GHz. This processor is paired with integrated AMD Radeon Graphics, which shares 8 GB of DDR4 SDRAM running at 3200 MHz for smooth graphics performance in business applications and light multimedia tasks.
Storage is handled by a 256 GB NVMe M.2 PCI Express SSD, offering fast boot times and quick access to files. The system supports modern connectivity with Wi-Fi 6 (802.11ax) and Gigabit Ethernet, ensuring reliable network performance in various environments.
This section brings together practical product details such as Release Month, Release Year, Processor Manufacturer, Processor Type, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The ThinkBook 15 G3 ACL stands out with its balanced combination of performance, portability, and business-ready features. Its 15.6-inch IPS display with anti-glare technology ensures comfortable viewing, while the AMD Ryzen 5 processor delivers responsive performance for daily computing tasks.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Enhanced Security & Convenience, Comprehensive Connectivity.
Enhanced Security & Convenience
Includes a fingerprint reader for secure login and a front-facing webcam for video calls, supporting modern remote work needs.
- Fingerprint Reader
- Front Camera/Webcam
Comprehensive Connectivity
Offers versatile port options including HDMI, USB 3.2 Gen 1 and Gen 2 Type-C ports, and an RJ-45 Ethernet port for flexible connectivity.
- HDMI Output
- Multiple USB Ports
- Gigabit Ethernet
Deployment / Use Cases
This notebook is ideal for business professionals, students, and remote workers who need a reliable device for everyday productivity. Its 7.5-hour battery life supports extended use without constant charging, making it suitable for meetings, travel, and flexible work environments.
Common use cases include office applications, web browsing, email management, video conferencing, and light content creation. The Windows 11 Pro operating system provides enhanced security features and management capabilities for business deployments.
This section brings together practical product details such as Release Month, Release Year, Processor Manufacturer, Processor Type, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Business Productivity
Optimized for office tasks with a comfortable keyboard, reliable performance, and professional Windows 11 Pro environment.
Mobile Workstation
Lightweight design and long battery life make it effective for professionals who work across multiple locations.
Localization and Operating System
The Lenovo ThinkBook 15 G3 ACL 21A40144US ships with Windows 11 Pro 64-bit pre-installed in English, delivering a professional-grade operating system optimized for business environments. Windows 11 Pro provides enhanced security features, enterprise management capabilities, and a modern interface that supports productivity applications, remote work tools, and corporate deployment requirements. This OS configuration ensures compatibility with common business software and offers built-in protections against modern security threats.
Keyboard localization is configured for English (US) markets, featuring a standard QWERTY layout with full-size keys and dedicated function keys for productivity shortcuts. The keyboard includes backlighting, which illuminates keys in low-light conditions to maintain typing accuracy and comfort during extended work sessions. This combination of operating system and input device localization creates a familiar, efficient user experience for North American business users, reducing training time and supporting day-to-day productivity across office, remote, and mobile work scenarios.
Windows 11 Pro Business Features
Includes BitLocker device encryption, Windows Information Protection, and remote management capabilities through Group Policy and Mobile Device Management (MDM).
- Enhanced security protocols
- Enterprise deployment tools
- Comprehensive update management
Keyboard Usability Details
The backlit English (US) keyboard supports comfortable typing with standard key spacing and travel distance, while the layout includes dedicated media controls and Windows shortcut keys.
- Backlight for low-light visibility
- Standard US QWERTY layout
- Dedicated function keys
Physical Profile
With dimensions of 14.06" wide, 9.25" deep, and 0.74" high (357 x 235 x 18.9 mm), this notebook offers a slim profile that fits easily in most bags and workspaces. Weighing approximately 3.75 pounds (1700 grams), it strikes a balance between screen size and portability, making it manageable for daily transport while providing a comfortable viewing experience.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 0.74" (18.90 mm), 14.06" (357 mm), 9.25" (235 mm), 3.75 lb (1700 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 14.06" (357 mm)
- Depth
- 9.25" (235 mm)
- Height
- 0.74" (18.90 mm)
- Weight
- 3.75 lb (1700 g)
What's in the Box
The package includes the ThinkBook 15 G3 ACL 21A40144US notebook and an AC adapter for power. All necessary components are provided for immediate setup and use.
Highlights
- 15.6" Full HD IPS display with anti-glare technology for clear, comfortable viewing
- AMD Ryzen 5 5500U hexa-core processor with up to 4 GHz turbo speed
- 8 GB DDR4 RAM running at 3200 MHz for responsive multitasking
- 256 GB NVMe M.2 PCI Express SSD for fast storage performance
- Windows 11 Pro 64-bit operating system with English language
- English (US) keyboard with backlight for enhanced typing
- Up to 7.5 hours of battery life for extended productivity
- Wi-Fi 6 (802.11ax) and Bluetooth for modern wireless connectivity
- Multiple ports including USB 3.2 Gen 2 Type-C, HDMI, and Ethernet
- Fingerprint reader and webcam for security and communication
Specifications
| Specifications | |
|---|---|
| Manufacturer | Lenovo Group Limited |
| Manufacturer Part Number | 21A40144US |
| Brand Name | Lenovo |
| Product Line | ThinkBook |
| Product Series | 15 G3 ACL |
| Product Model | 21A40144US |
| Product Name | ThinkBook 15 G3 ACL 21A40144US |
| Product Type | Notebook |
| Technical Information | |
| Release Month | October |
| Release Year | 2021 |
| Processor | |
| Processor Manufacturer | AMD |
| Processor Type | Ryzen 5 |
| Processor Model | 5500U |
| Processor Speed | 2.10 GHz |
| Maximum Turbo Speed | 4 GHz |
| Processor Core | Hexa-core (6 Core) |
| Chipset | |
| Chipset Manufacturer | AMD |
| Memory | |
| System Memory Technology | DDR4 SDRAM |
| System Memory Speed | 3200 MHz |
| Storage | |
| Drive Type | SSD |
| Total Solid State Drive Capacity | 256 GB |
| SSD Form Factor | NVMe M.2 PCI Express |
| Optical Drive Type | No |
| Display & Graphics | |
| Screen Size | 15.6" |
| Screen Mode | Full HD |
| Display Screen Technology | In-plane Switching (IPS) Technology |
| Screen Resolution | 1920 x 1080 |
| Touchscreen | No |
| Graphics Controller Manufacturer | AMD |
| Graphics Controller Model | Radeon Graphics |
| Graphics Memory Technology | DDR4 SDRAM |
| Graphics Memory Accessibility | Shared |
| Network & Communication | |
| Wireless LAN | Yes |
| Wireless LAN Standard | IEEE 802.11ax |
| Ethernet Technology | Gigabit Ethernet |
| Bluetooth | Yes |
| Built-in Devices | |
| Front Camera/Webcam | Yes |
| Finger Print Reader | Yes |
| Interfaces/Ports | |
| HDMI | Yes |
| Total Number of USB Ports | 4 |
| Number of USB 3.2 Gen 1 Ports | 2 |
| Number of USB 3.2 Gen 2 Type-C Ports | 2 |
| Network (RJ-45) | Yes |
| Operating System | |
| Operating System Platform | Windows |
| Operating System | Windows 11 Pro |
| Operating System Language | English |
| Operating System Architecture | 64-bit |
| Input Devices | |
| Keyboard Localization | English (US) |
| Keyboard Backlight | Yes |
| Battery Information | |
| Maximum Battery Run Time | 7.50 Hours |
| Power Description | |
| Maximum Power Supply Wattage | 65 W |
| Physical Characteristics | |
| Product Color | Mineral Gray |
| Height | 0.74" (18.90 mm) |
| Width | 14.06" (357 mm) |
| Depth | 9.25" (235 mm) |
| Weight (Approximate) | 3.75 lb (1700 g) |
| Miscellaneous | |
| Package Contents | ThinkBook 15 G3 ACL 21A40144US AC Adapter |
| Energy Star | Yes |
| Features | Anti-glare Screen |
| Environmentally Friendly | Yes |
| Environmental Certification | Electronic Product Environmental Assessment Tool Silver (EPEAT Silver) |
| Energy Efficiency Certification | ENERGY STAR 8.0 |
| Energy Efficiency Compliance | Energy-related Products Directive Lot 3 (ErP Lot 3) |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Warranty | |
| Limited Warranty | 1 Year |
User Manual
FAQ
What processor is listed for this laptop?
This product uses the AMD processor for everyday performance and multitasking.
What processor speed is listed?
This product uses the 2.10 GHz processor for everyday performance and multitasking.
How much memory is installed?
It includes DDR4 SDRAM of memory to support responsive multitasking and daily workloads.
What storage is included?
The system includes 256 GB of storage for applications, files, and everyday business data.
What display size, refresh rate, or resolution is listed?
It features a display specification of 15.6", giving you clear visuals for work and media use.
What available ports or connectivity options are listed?
Connectivity support is listed in the product specifications, including the relevant wireless or port options when available.