Lenovo T420 Memory Slots
Posted By admin On 26/03/22- Instructions for removing and installing the DIMM slot cover and DIMM in the Thinkpad T420, T420i systems.
- How to check RAM slots available on Windows 10. To confirm the number of memory slots available on your computer or laptop, use these steps on Windows 10. Open Start.; Search for Task Manager.
- When Lenovo installs the base level of memory in a Thinkpad, it only uses one memory slot so it is inexpensive to upgrade the laptop to 8GB by purchasing one more 4GB DIMM — and the second slot is very easy to access. Replacement parts for the T420 are still available and Thinkpads are made to be easily repairable.
- A tutorial on removing and reinstalling the keyboard on Lenovo Thinkpads. For demonstration a T420 is utilized. Reinstalling the Keyboard/2nd RAM Slot on a Lenovo Thinkpad T420 T410 T400 X220.
In this guide, I will disassemble a Lenovo ThinkPad T480 laptop. I will remove the bottom case to upgrade the RAM, SSD, and HDD for my T480.
If your Lenovo T420 is running slowly, complaining about memory usage or does not boot up correctly, the problem may be related to a faulty memory module. This guide will show you how to replace both memory modules in your system. Note: If you need to access the factory memory module, the keyboard has to be removed.
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Its disassembly method is very simple, just like the ThinkPad T470, you only need to remove the external battery first, and then remove all the screws on the bottom case. Use the guitar pick open the bottom case slowly, and there are many snaps on the back cover to securing the case to the laptop body. Be careful do not to break the snaps.
With the bottom case removed, you can get access to the internal battery, M.2 SSD, RAM, CMOS battery, hard drive, Wi-Fi card, heat sink, cooling fan, and motherboard.
Lenovo ThinkPad T480 has two available RAM slots, each supporting up to 16GB of DDR4-2400 memory, which means you can upgrade the RAM to 32GB. The unit we’ve tested comes with one 8GB DDR4-2400 RAM from Samsung.
Amazingly, it is equipped with a 2242 PCIe NVMe 128GB M.2 SSD from Toshiba with a part number of KBG30ZMT128G, Lenovo P/N: 00UP650, SSSOL24702.
The laptop also comes with a 500GB mechanical hard disk; if necessary, you can replace it with a larger capacity hard disk.
Here’s the internal battery, 11.4V, 24Wh, Lenovo FRU: 01AV489.
Update
Another version of ThinkPad T480 has an M.2 2280 SSD and installed via an adapter. Please see the ThinkPad T480 review here.
Related Parts:
Genuine WQHD AG Screen for Lenovo 00NY681 B140QAN02.3 ThinkPad T480 T480s X1 Carbon (5th, 6th, 7th)
Genuine WQHD Screen for Lenovo 00NY664 LP140QH2-SPB1 ThinkPad T480 T480s X1 Carbon (5th, 6th, 7th)
I’m falling back to options for the T480 because of this year’s disaster of a design T490.
Lenovo T420 Memory Specs
On Lenovo web site, I see T480 with two separate drive slots
1. traditional 2.5″ slot for magnetic hard disk or M.2 2280 SSD.
2. M.2 2242 SSD.
Lenovo T420 Memory Slots
Lenovo T420 Max Ram
How would I know, if I first buy it with a traditional disk, then replace it later with a M.2 2280 drive, that the adapter cable will be there? Or do I have to source for that cable component separately?