The Lenovo ThinkPad X270 was bought in April 2017. The laptop comes with a 12.5-inch IPS Non-touch display with a resolution of 1080 pixels by 1920 pixels.

It is powered by Intel Core i7-7500U Processor (4M Cache, up to 3.50 GHz) processor and it comes with 8GB of RAM. The laptop features a 1TB 7200rpm hard drive, 720p HD camera, and Intel Dual Band wireless AC 8265 Wi-Fi adapter.

The laptop runs Windows 10 Pro 64 bit and is powered by a 3 cell 24WH + 6cell 48WH Li-ion battery, the battery life up to 21 hours.

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Unlock and remove the external battery.

Remove all screws from the bottom case.

Pry up and remove the bottom case.



Under the bottom case, you can get access to the internal battery, hard drive, RAM, Wi-Fi card, heat sink, and cooling fan.



Here’s internal battery, 11.1V, 24WH, Lenovo P/N: 45N1110, 45N1111, manufactured by Sony electronics.



The Lenovo ThinkPad X270 only has one RAM slot and comes with an SK Hynix 8GB DDR4-2133MHz RAM, if necessary, you can replace it with a 16GB DDR4-2133MHz RAM.



From left to right: speaker, reserved M.2 slot, wireless network card.

This generation of X270 finally supports the M.2 2242 SSD (X260 only supports WWAN card).

So you can install an M.2 2242 SSD in the WWAN M.2 slot.



Right speaker, it can be seen that the location of the two speakers is asymmetric.



Here’s 2.5″ 1TB hard drive, another ThinkPad X270 with PCIe SSD is also installed SSD here through the transfer bracket, so you cannot install NVMe SSD and mechanical hard disk, to install dual hard drive can only choose M.2 2242 SSD.



Source: chiphell.com