Lenovo ThinkPad T14 Gen 5

Two screws and you have more memory

Almost every laptop sold today has memory soldered to the board, which means the configuration you pick at checkout is the configuration you are stuck with for the life of the machine. A machine bought with 16GB in 2026 will still have 16GB in 2032, whatever the software decides it wants.

This one has two SODIMM slots and takes up to 64GB of DDR5. Ten minutes with a screwdriver and a matched pair of modules doubles or quadruples the headroom. That single feature does more for the usable life of a laptop than any processor generation, because memory pressure — not clock speed — is what makes an old machine feel old.

The replaceable-parts list is the real specification

The manufacturer maintains what it calls customer-replaceable units: memory, SSD, battery, keyboard and WWAN module can all be swapped by the owner without a service contract. For a machine bought for work, the keyboard and battery entries are the ones that pay off — both are wear items, and both fail long before the processor does.

The documentation is the other half of the story. A full service manual is published, which means a repair shop can quote you accurately and you can judge the job before starting it. This is the least glamorous and most decisive difference between a laptop that lasts eight years and one that lasts four.

Independent assessments of the T-series support the claim, placing it well clear of the glued ultrabooks from the same price bracket.

What Lenovo still solders

This review would be dishonest if it stopped at the upgrade story. The USB-C and Thunderbolt ports are not plug-in modules; they are on the board. The socket you plug your dock, your charger and your monitor into every single day is the one component you cannot replace on its own.

A strained port therefore turns a repairable machine into a repairable machine with an unrepairable fault, and the bill that follows is main-board work. If you buy one of these, a 15 euro right-angle adapter that takes the strain off the socket is the cheapest insurance in this entire article.

The cooling assembly is also integrated — fan and heatsink come as one — which turns a routine dust cleaning into a more deliberate job than it should be.

Who should buy this

If you want a laptop for six to eight years, buy the cheapest processor tier you can live with and spend the difference on memory and storage you can install yourself. That is the strategy this machine is built for, and almost no competitor allows it.

If you want the thinnest possible ultrabook and you replace it every three years, this is the wrong laptop and its repairability will never pay you back. If you want the rare combination of a mainstream brand, real documentation and a parts catalogue, it is the safest money in this category.