Lenovo K23 User Manual page 140

Appendix F. Features and specifications
I/O Ports
USB
Communication
Audio
Video
Memory card slot
ExpressCard slot
Others
Kensington slot
126
USB 2.0 port x 2
eSATA/USB combo port
RJ-45 port
Headphone/Mic-In Jack
D-sub port
6 in 1 slot x 1 (MMC/SD/SDHC/MS/MS-PRO/xD)
Only use the ExpressCard/34 devices
Yes