Well I gave it a try. Getting to the miniPCIe slots on the D630 is much harder than the ones on my old D610.

I installed the SSD in the slot reserved for WWAN cards or Flash Cache Modules.

I couldn't see any sign of it being detected by the BIOS. It didn't appear as a drive in Windows and Windows didn't identify any new devices.

So I can only assume it needs explicit BIOS or chipset support to work.
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Remind me to change my signature to something more interesting someday