Lenovo ThinkBook 15 Gen 4 Business Laptop - Powerful Productivity

In this review of the Lenovo ThinkBook 15 Gen 4, the bottom line is simple: this laptop is built for business users who need fast multitasking and roomy local storage. Its standout combination of a 12th Gen Intel i7-1255U and a massive 40GB of RAM makes it unusually capable for heavy office workloads, and the 2TB PCIe NVMe SSD removes common storage bottlenecks. For professionals who juggle many apps, browser tabs, and large files, this ThinkBook delivers desktop-class responsiveness in a portable 15.6 in chassis.

Key Features

• High Speed RAM And Enormous Space: 40GB of high-bandwidth RAM keeps many applications and browser tabs responsive during intense multitasking sessions.
• Large and Fast Storage: The 2TB PCIe NVMe M.2 SSD provides fast boot times and quick file transfers for large project files and datasets.
• Capable Processor: The Intel i7-1255U with 10 cores and up to 4.7 GHz turbo handles background services and active applications without noticeable slowdowns.
• Comfortable 15.6 in Display: The 15.6 in FHD anti-glare panel reduces reflections and is well suited for long workdays and conference calls.
• Business Connectivity: Includes Thunderbolt 4, USB-C 3.2 Gen 2, HDMI, SD card reader and Ethernet for flexible docking and external device support.
• Security and Collaboration: Built-in fingerprint reader and webcam plus Windows 11 Pro features help secure data and improve team workflows.

Who It's For

The ThinkBook 15 Gen 4 suits professionals, power users, and small business owners who require reliable performance for spreadsheets, virtual meetings, document editing and light content work. Its large SSD and abundant RAM make it a strong option for anyone who prefers local storage to cloud-only workflows.

It is less ideal for users who need a compact ultraportable or a gaming-focused GPU; those buyers should look for thinner 13 in laptop designs or machines with discrete graphics. Casual users who do not need 40GB of RAM may find more value in lower-tier configurations.

Pros & Cons

Pros

• Very responsive multitasking thanks to 40GB RAM and the i7-1255U.
• Large, fast 2TB PCIe NVMe SSD for quick boot and ample local storage.
• Good connectivity with Thunderbolt 4, HDMI, SD card reader and Ethernet for business setups.
• Anti-glare 15.6 in FHD display that reduces eye strain in bright offices.

Cons

• Bulkier than ultraportables, so not the best choice if extreme portability is a priority.
• No dedicated discrete GPU, so graphics-heavy rendering or gaming will be limited.

Specifications

Our Verdict

The ThinkBook 15 Gen 4 is a strong business laptop that prioritizes real-world productivity through unusually large RAM and a roomy 2TB SSD. It offers excellent connectivity and a comfortable 15.6 in screen, making it a smart choice for professionals who need local storage and steady multitasking performance. For users who require extreme portability or gaming graphics, other models may be better suited, but for business workflows this ThinkBook represents very good value.

Frequently Asked Questions

Is this laptop good for multitasking?
Yes. The combination of an i7-1255U and 40GB of RAM means it handles many open apps and browser tabs smoothly.

Does it have a fast internal drive?
Yes. The 2TB PCIe NVMe M.2 SSD provides fast boot times and quick file transfer for large documents and media.

Can it connect to external displays and docks?
Yes. Thunderbolt 4, HDMI and USB-C 3.2 provide flexible options for external monitors and docking solutions.