List of Motherboards with 2 Ports

Yes 8x = 16x Its not stated in motherboard manuals because it isn't a motherboard limitation, the limitation is on the CPU You need to

List of Motherboards with 2 Ports NVMe SSD 50% slower on socket 1

Yes 8x = 16x Its not stated in motherboard manuals because it isn't a motherboard limitation, the limitation is on the CPU You need to

nvme in pcie slot PCIe · Portable SSD · Memorys · DDR5 series · DDR4 series · Industrial Support 12 x PCIe slots; Support Connector; Support HDMI Connector

2 drives are “keyed” at one end so as to prevent the end-user from inserting them in an incompatible socket PCIe NVMe drives are 'M' keyed SATA ones,

nvme slot vs m2 Your laptop supported M or B both key ,Your laptop supports high speed PCIe NVMe ssd that comes in M Key, but you also install SATA ssd

Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors; 8+2+1 Power Phase, ; 2 x DDR5 DIMMs, Supports Dual Channel, up to 7200+ ;