3.5 in Bay Internal Card Reader in the notebook. You can trust made in Japan (Made in newtronics) equipped with 4 card slots. Supported Media are CF/Microdrive/SD Memory cards/MMC/suma-tomedyia/Memory Stick/Memory Stick Pro 7 in types. The connection interface is USB 2.0, and front ports for USB 2.0/IEEE 1394/Microphone/Headphone port of your PC and ready. Supported OS are no driver required for Windows 98 SE/ME/2000/XP, and Windows 2000 (SP3 or later) and standard (OS Drivers)