Microsoft Surface Book 2 1835 Series Laptop USB SDXC Card Reader I/O Board with Cable M1025890-005.
Input/Output Ports: 2x USB Type-A (3.1 Gen 1), 1x Full-size SDXC Card Reader
Type: I/O Board
Features: SDXC Card Reader P/N: M1010541-001, Cables P/N: M1024827-001