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June 12th, 2025 17:41

XPS 8940, replace 256GB SSD with 512GB or 1TB

I currently have a DELL XPS 8940 desktop computer. It has an 11th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHZ processor. It has 16GB of RAM.
System type is 64-bit operating system, x64-based processor.
It is running Windows 11 Home Version 23H2.
The C:\drive is PCIe Gen3 x 4 /Solid State Drive, CL1-30256-Q11 NVMe SSSTC 256GB.
I want to know if I can purchase at least a 512GB or 1GB replacement for my 256GB C: drive.
If this is possible, can you recommend a replacement and also the procedure to do the replacement installation?
I have attached a photo of my existing C:\Drive.
Thank you

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284 Posts

June 14th, 2025 14:51

I'd go with a Gen4 Samsung 990 Pro even though it will run @ PCIe v3.

I'd go with the heatsink version since that 8940 case is on the small side.

You can either migrate your current drive to it OR do a fresh clean install which I would do using the latest Win11 build.

Make sure you change your storage mode to ACHI from the default RAID mode before the install.

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June 14th, 2025 15:32

@Element115s4​ 

Thank you for the info, but my current C:\ is only 30mm, or 1.81102 inches long. The Samsung 990 is 3.16" long.

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284 Posts

June 14th, 2025 20:32

@Sams PC​ 

Yes, the 8940 can handle both.

You really don't want a 2230 anyway for your main drive.

Go with at least 1TB.

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June 19th, 2025 14:30

@Element115s4​ Can you provide the instructions on how to migrate my existing drive to the new SSD? That way I can just replace the existing C drive with the new one. Thanks

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284 Posts

June 20th, 2025 04:06

@Sams PC​ 

I would suggest a fresh Win11 install by removing your current M.2 SSD and buying an external M.2 case so you can pull the data off it once the O/S is freshly installed and updated.

If not, you can migrate via the same method (Samsung makes that super easy) and then swap the drives.

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