NVME Slot is on bottom
PCI Express 3.0 NOT 4.0
https://www.bhphotovideo.com/c/product/1437036-REG/intel_ssdpeknw020t8x1_660p_2tb_ssd_sata.html/?ap=y&ap=y&smp=y&smp=y&lsft=BI%3A514&gclid=CjwKCAjw1v_0BRAkEiwALFkj5vhbYfCHk0-pnDeQyxKIzVnXiDR7zYAo8WA1sM0cX-wzQDP2UiSVxxoCMDUQAvD_BwE
230$ w tax.