Adapter to 2 PCIe NVME SSD For ASUS Rog M9A M10A

That's an extra dimm slot that allows you to plug in an expansion card with 2 NVMe SSDs dimm-2-is-an-m-2-riser-card Upvote 1 Downvote

However, according to the hardware specifications for my laptop, there are only 2 x SODIMM slots available for use I have an additional 1TB SSD

dimm slot meaning DIMM slot as standard DDR5 DIMMs This figure is reproduced, with permission, from JEDEC document , Figure 2 Under the hood

dimm slot ll motherboards, which have 5 PCI2 ISA1 AGP) For memory, load up all you could ever want with the 4 SIMM and 2 DIMM memory slots (Pentium ll motherboard has