Lenovo IdeaPad S10-3c - Manual (Page 121)

Appendix F. Features and specifications
107
I/O Ports
USB USB 2.0 port x 3
Communication RJ-45 port
Audio Headphone/Mic-in Jack
Video D-sub port
Memory card slot 4 in 1 slot x 1 (MMC/SD/MS/MS PRO)
Others
Kensington slot yes