Lenovo ThinkBook 15 Gen 4 Business Laptop - Powerful Workhorse

In this review the Lenovo ThinkBook 15 Gen 4 is presented as a straightforward, productivity-focused laptop for professionals who need reliable multitasking and storage. The single biggest reason to buy is the combination of a 12th Gen Intel Core i7 processor with an unusually large 40GB of RAM and a 1TB NVMe SSD, which together make day-to-day work, heavy browser use and file transfers noticeably smoother than standard office laptops. For reviewers focused on business value, this model balances performance and useful ports without unnecessary consumer frills.

Key Features

• High speed memory: 40GB of high-bandwidth RAM lets users keep many applications and browser tabs open without slowdowns during complex workflows.
• Fast storage: The 1TB PCIe NVMe M.2 SSD provides quick boot times and fast access to large files, which speeds up project work and backups.
• Capable processor: The Intel i7-1255U with 10 cores and up to 4.7 GHz turbo delivers responsive performance for spreadsheets, light media editing and multitasking.
• Readable display: The 15.6in FHD anti-glare panel offers a crisp 1920x1080 view that reduces reflections in bright office environments.
• Business connectivity: A useful selection of ports including Thunderbolt 4, USB-C 3.2 Gen 2, HDMI and an Ethernet jack makes docking and external displays straightforward.
• Security and collaboration: Built-in fingerprint reader, webcam and Windows 11 Pro tools help secure data and simplify virtual meetings and window layouts.

Who It's For

The ThinkBook 15 Gen 4 is aimed at business users, remote professionals and multitaskers who need a reliable machine for spreadsheets, multiple browser tabs and file-heavy workflows. Its large RAM and 1TB SSD suit freelancers, analysts and small-team leads who switch among applications constantly and require fast local storage for large documents or local VMs.

Those who need the lightest ultraportable for all-day battery use, a touch display or a dedicated graphics card for heavy video editing or gaming should look elsewhere; this model focuses on balanced performance, connectivity and security in a traditional 15.6in chassis rather than on thin-and-light mobility or high-end creative GPUs.

Pros & Cons

Pros

• Generous 40GB RAM and 1TB NVMe storage deliver excellent multitasking and fast file access.
• Intel i7-1255U provides solid everyday performance with efficient power use for office work.
• Comprehensive port selection, including Thunderbolt 4 and Ethernet, eases docking and networking.
• Windows 11 Pro and a fingerprint reader add useful productivity and security features for business users.

Cons

• The 15.6in non-touch FHD screen is functional but not aimed at creators who want color-critical panels or higher resolution.
• Its traditional 15in form factor is not the lightest choice for users prioritizing ultra-portability.

Specifications

Processor	Intel i7-1255U (10 cores, up to 4.7 GHz)
Memory	40GB high-bandwidth RAM
Storage	1TB PCIe NVMe M.2 SSD
Display	15.6in FHD 1920x1080 anti-glare
Ports	Thunderbolt 4, USB-C 3.2 Gen 2, HDMI, 2x USB 3.2, SD card reader, Ethernet, headphone jack
Connectivity	Wi-Fi 6, Webcam
Operating System	Windows 11 Pro

Our Verdict

The ThinkBook 15 Gen 4 is a pragmatic business laptop that offers strong multitasking and fast storage at a sensible price point for professionals. With 40GB of RAM, a 1TB NVMe drive and a capable i7 CPU it covers most office and remote-work needs, while Thunderbolt 4 and an Ethernet port make it easy to fit into existing desks and docking setups. It is good value for users who prioritize performance and connectivity over ultra-thin portability or creative-grade displays.

Frequently Asked Questions

Does this laptop support external monitors?
Yes; it includes Thunderbolt 4 and HDMI ports that support external displays for extended or mirrored setups.

Is the memory upgradeable?
The specification lists 40GB of RAM as configured; check with the seller or service manual for user-accessible expansion options.

Which edition of Windows is installed?
This model ships with Windows 11 Pro, which adds business features such as enhanced window layouts and device management tools.