- Wi-Fi module: 802.11AC RealTek RTL8822CE (NGFF M.2 2230)
- open M.2 2242 slot for SSD
Note: Unfortunately, RAM does not seem upgradeable, soldered onto motherboard
Pics of this laptop model's motherboard:
Can be accessed by just removing the bottom cover of laptop, like in 300e Intel model:
SSD Upgrade:
This laptop has a single M.2 2242 slot that you can install a good SSD to get a significant increase in performance for daily usage as compared to the crappy eMMC.
Recommendation to get best performance:
Since the system (Windows OS) is slowest running on the crappy on-board 64GB eMMC, I would highly recommend to clean install Win10 via bootable USB to the new SSD and wipe the 64GB on-board drive,
- or if you do not want to do that:
---- download and install something like Mini Partition Wizard on the laptop, and copy/migrate the entire on-board 64GB storage to the new SSD which will copy everything (including Windows and recover partitions).
---- then go into the BIOS/UEFI settings and set the new SSD as the first boot device. And you can now wipe/format the crappy 64GB eMMC and use it as free storage for whatever.
Done.
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On Windows 10/11, RAM compression is on by default if you enable swap (you'll see this in the Task Manager's Performance > Memory section). However, AFAIK, the Windows implementation requires storage backing and will periodically swap to disk (which is when you notice slowdowns the most).
On Linux, enable ZRAM swap with ZSTD compression (fast with a 1:3 - 1:5 ratio). The Linux implementation works much better than Windows. ZRAM swap does not need storage backing & will avoid slow swapping to disk. However, if you want, you can have a additional swap file on disk. Just set the ZRAM swap priority to 32767 so that it is used first. I recommend you set the size equal to 1.5 times your physical RAM. On a 4GB system this would be 6GB and you will get an effective ~8GB of RAM (2GB uncompressed + 6GB compressed).
Here are pics of the motherboard for this specific Lenovo laptop with AMD 3015e:
Accessiblitiy looks identical to the 300e Intel version, just need to open the bottom:
Must not buy things I dont need tho....
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Can you use it to install on other computers?
EDIT: Reading the fine print on the spec guide more closely "System has one eMMC on systemboard or one M.2 2242 SSD exclusively". So...maybe there's an m.2 slot? Maybe not? I'm not sure if that means that both are present and one is populated as storage, or if only one is enabled...
From what I can tell, all the versions of this mainboard [lenovo.com] have an m.2 NVMe slot, as well as the wifi card slot (E key?)
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I wouldn't recommend this for anyone even for just web browsing.
The 64GB of storage is also absurd, basically just the operating system and a couple programs.
The 64GB of storage is also absurd, basically just the operating system and a couple programs.
For a Unix CLI environment (manage it remotely via web browser and SSH!) this is fine. But ...
If you want to use a GUI, I'd look at something like this: https://www.amazon.com/Lenovo-Ide...B099NWQ3N
I wouldn't bet on using NVME with the $126 Lenovo in the OP. Reviews I read of similar models say Lenovo ships one or the other, eMMC or NVME.
https://www.lenovo.com/us/en/p/la...8el10s8056
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EDIT: Reading the fine print on the spec guide more closely "System has one eMMC on systemboard or one M.2 2242 SSD exclusively". So...maybe there's an m.2 slot? Maybe not? I'm not sure if that means that both are present and one is populated as storage, or if only one is enabled...
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