This is the 4 GB version of the ODROID M1. Includes a full size (2280) M.2 slot (PCIe 3.0 2 lanes), a Neural Processing Unit (NPU) and contains a RK3568B2 SOC. There is a slot for eMMC cards on the board as well and these perform very well. Links:Amazon.com*,AliExpress.com*...