Lenovo Thinkpad T470s Disassembly and RAM, SSD Upgrade Options


The ThinkPad T470s has a 14-inch touchscreen. This laptop’s screen has outstanding picture quality (1080p), and therefore should be very good for entertainment. 16:9 is the most widely used aspect ratio. This means that for every 16 pixels of width, it has 9 pixels of height. You can calculate this ratio by looking at the 1920 x 1080 resolution.

This laptop is ideal for travel compared to other laptops with displays in the 13-14 inch range, as it is thin and low-weight. The laptop has dimensions of 13.03 x 8.92 x 0.74 cm. The ThinkPad T470s weighs of 2.9 pounds. When compared to other 2-in-1 laptops it’s slightly lighter than the average of 3.08 pounds.

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Lenovo ThinkPad T470s does not have the service cover to access the upgradeable parts. If you want to upgrade the memory and SSD, you need to remove the entire back cover.
The whole bottom panel of the ThinkPad T470 is very easy to remove. You just have to loosen five screws, and there are no annoying plastic clips.
Under the back cover, we can see the batteries, WWAN module, Wi-Fi module, SSD, cooling fan and heat sink.
The laptop comes with an 8GB DDR4-2400 MHz RAM onboard, and also has a spare RAM lost, you can add an 8GB or 16GB RAM, the laptop support up to 24GB RAM.
The WWAN module beside the Wi-Fi card, it is covering by black tape. The 512GB M.2 2280 PCIex4 SSD comes from Toshiba, and you can use the full potential of fast NVMe drives.

The back cover manufactured by Foxconn, there are some graphite heat stickers on the back cover.

Lenovo ThinkPad T470s cooling fan module

11.4V, 24Wh Li-ion battery, Lenovo P/N: 00HW023.

11.46V, 27Wh Li-ion battery, Lenovo P/N: 01AV406.


  1. “….I think the M.2-2242 slot can be add a SSD, because I have no M.2 2242 SSD, so i can not test add SSD on our model…”

    Good afternoon.
    Did you succeed in installing second M.2 2242 ssd in WWAN slot T470s?

  2. I just buy one (NVME M.2 2242 drive) and installed it in the WWAM slot. It isn’t working, the drive didn’t show up in the BIOS as obv in windows.

    • The WWAN slot of the T470S does not recognize the SSD, which is very regrettable. If you need a large capacity SSD, you can only replace your existing SSD.


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