Lenovo Preferred Pro II Wired External USB Keyboard ( 4X30M86879) Factory Sealed Retail Product For USA, black ADD-SC-LC-15M9SMF and it's backward compatible with

and it's backward compatible with your older USB 2

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With a length of 6 feet

The SV411KUSB 4 Port USB KVM Switch Kit with Audio and Cables lets you control up to four USB-enabled computers using a single keyboard

The 16gb drivespatible with windows xp

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