Hi @JMJulio
It does not support M2 PCIe NVMe SSD (so Samsung 970 or 980 will not work)
You could replace the Hard Drive with a 2.5" SATA3 SSD such as the Samsung 870 Evo
You can insert an mSata module.
Service manual
http://h10032.www1.hp.com/ctg/Manual/c04331008.pdf
Hope it helps,
David
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