I just tried with a 32GB micro-SD card, first I formatted the card via a USB adapter on the SP4 as NTFS, then I installed the card on the micro-SD slot all the way in, you can feel it because there is a click, but nothing, no card on Device Manager neither Disk Management tool, after 3 cards successfully tested over the SP4 using a USB 3. Surface Pro 7 USB C Hub, 6-in-2 Aluminum Surface Pro 2019 Dock with 4K HDMI Adapter+ USB C Audio & Data Transfer Port +2 USB 3.0+SD/TF Card Reader, Converter Combo Adaptor for Microsoft Surface Pro 7 4.2 out of 5 stars 72. This solution works perfectly for devices like Microsoft’s Surface Go, which top out with just a 128GB internal drive that’s non-user replaceable, the premium Surface Pro 6, or even smartphones. Surface Pro 6: Up to 13.5 hours of battery life for local video playback. Testing conducted by Microsoft in August 2018 using preproduction Intel Core i5, 256GB, 8 GB RAM device. Testing consisted of full battery discharge during video playback.
For storage I will be using the 2 TB drive from my previous working pc, a Dell Presicion M6500 17' monster, as a data disk connected by USB to the server in my house. In working hours the Surface will be hooked up to the new Surface docking, with two monitors, wired network and other niceties. I have also bought a 128 gig Micro SD card, and since I am a bit anal when it comes to backups I wanted to put that to double use. Because I do not take image backups from within Windows. Never. Don't trust them. So I took a 500 meg part of it for a Windows PE setup based on 8.1 ADK and used Acronis True Image to make the PE. No dice. No way to get the thing to boot from it. I have been using a smallish USB stick for this so far (I think it's 16 gig, or something like that), and I have been able to boot, but not without problems. It has to be plugged into the USB port on the side of the unit itself to boot. Not one of the ports in the Surface Docking, and not through an USB hub. That just doesn't work, the unit doesn't see it.
Can anybody tell me if I'm doing something wrong, or if it's simply impossible to boot from a card? I had the idea that the card reader probably was a part of the USB setup, but I may be wrong. It's so hard to see what's going on when I don't see any POST messages, as I'm used to (yeah, I'm old - been in computers since the Commodore 64, with almost all generations of Intel and AMD processors behind me in some computer or other).
Does Surface Pro X have an SD card slot?
No, it doesn’t. Unlike traditional Surface Pro, Surface Pro X doesn’t have a MicroSD card slot. However in return, it comes with a removable SSD hard drive, so you can easily swap it for a bigger one when needed.
For more information, check out the full Surface Pro X specifications here.
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