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We provide a range of low cost system upgrades including RAM upgrades and disk replacements to improve performance and boost storage capacity. Contact us via the form below for a fast, competitive quote to upgrade the computer you're currently viewing.

If you're purchasing computers for business use, we also offer imaging services so that your devices are supplied preconfigured with all the software and settings you need for your organisation. Your computers will ship ready to use straight away with no need for further setup or installation work. We can also reprint the keyboards if you need a different language or layout for international usage or you want a bespoke keyboard design for branding purposes. Learn more about our keyboard printing service.

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Product code: 21H3002EUK
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Lenovo ThinkPad L15 Gen 4 - 15.6" - Intel Core i7 - 1355U - 16 GB RAM - 512 GB SSD - 4G LTE - UK

Part Code:
The Lenovo ThinkPad L15 Gen 4 is a 15.6" core i7 1355U laptop with 16GB of RAM and a 512GB SSD. The L15 ships with Windows 11 Professional and is covered by a 1 year manufacturer warranty
Recommended accessories: Hand picked for you. Guaranteed compatibility.

Designed to support professionals in finance, accounting, and data entry, this 15.6-inch laptop combines a full-size numeric keypad with a 180-degree hinge, offering practicality for both detailed numerical work and collaborative projects.

It runs on a 13th Gen Intel Core i7 processor capable of reaching speeds up to 5 GHz, and with 10 cores, it effectively manages simultaneous applications and data-intensive tasks. The system includes 16 GB of DDR4 RAM—upgradable to 64 GB—and a 512 GB NVMe SSD, ensuring sufficient memory and swift storage performance to streamline workflows.

The Full HD IPS display delivers clear visuals and wide viewing angles up to 170 degrees, beneficial for sharing screens during discussions. The Intel Iris Xe Graphics supports connections to up to three external monitors, enabling multi-display setups for complex tasks.

Connectivity features are robust, with USB-C and Thunderbolt 4 ports supporting high-speed data transfers and diverse peripheral connections. Wi-Fi 6 and Bluetooth 5.1 capabilities enhance stable and fast internet connections.

Security features include a fingerprint reader, smart card reader, and Kensington nano security slot, which provide essential data protection. LTE capability allows for consistent connectivity when mobile, and the keyboard’s spill-resistant design and backlighting add durability and usability in various environments.

Additionally, this laptop meets several environmental standards, including ENERGY STAR, EPEAT Gold, and TCO Certified Notebooks 9, affirming its commitment to energy efficiency and environmental sustainability.

Tech Specs
OS Provided / Type Windows 11 Pro
Processor / Type Core i7
Processor / Clock Speed 1.7 GHz
RAM / Technology DDR4 SDRAM
RAM / Form Factor SO-DIMM 260-pin
Drive Capacity 512 GB
Optical Storage / Type None
Screen Size 15.6 in
Display Resolution 1920 x 1080
Input Device / Type UltraNav
Video Output / Graphics Processor Intel Iris Xe Graphics
Audio Input / Type Dual array microphone
Mobile Connectivity LTE
Networking Protocol 802.11ax
Battery / Technology Lithium polymer
Weight 1.77 kg
Colour Thunder black
Warranty Cover 1-year warranty
RAM / Memory Speed 3200 MHz
Model Lenovo ThinkPad L15 Gen 4
Model 21H3
Brand Lenovo
Packaged Quantity 1
Laptop Type Notebook
Processor / Number of Cores 10-core
Wifi Protocol 802.11a/b/g/n/ac/ax
Server Storage Capacity 512 GB
Operating System Windows 11 Pro
Hard Drive / Type SSD
Colour Black
Processor / Generation 13
Laptop Design 180° hinge design
Graphics Card Intel Iris Xe Graphics
Numeric Keypad? Yes
Keyboard Backlight Yes
RAM / Installed Size 16 GB
RAM / Max Supported Size 64 GB

Product Faqs

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  • How long does it take for delivery?
    Question by: C Smith on 2021-06-11

    Orders placed via the website before 5pm (Monday - Friday) are usually delivered the next business day. Orders placed over the weekend and bank holidays are despatched the following business day. Please note that orders being shipped to offshore or remote locations may take 2-3 days to be delivered.

    Answer by: admin on 2021-06-11 01:31:17
  • Is this product brand new?
    Question by: G Clarkson on 2021-08-15

    The vast majority of the items we sell are brand new, but we sometime have other product grades available, which provide a great solution for those businesses that are perhaps on a tighter budget. You can see the condition or grade of stock for every product featured on our website. The condition is shown on the top right-hand side of each product page.

    Answer by: admin on 2021-08-15
  • Why is this product much cheaper than I've seen elsewhere?
    Question by: H Anderson on 2022-02-10

    Our expertise with the leading technology manufacturers such as Dell, HP, Lenovo and Microsoft allows us to source the most popular products at the best possible prices and pass those saving onto you. As well as special deals and exclusive products, we can often command volume related discounts because we buy and hold physical stock unlike many of our competitors.

    Answer by: admin on 2022-02-10
  • What is your returns policy for this product?
    Question by: D Jones on 2022-03-13

    We hope you'll be pleased with any product you purchase from us but we appreciate that there are times when you might need to return items to us. We have slightly different returns processes based on whether you are a business or a consumer and the reason for the return. We've summarised the key returns information here but please refer to our terms and conditions for full details.

    Answer by: admin on 2022-03-13