Power Quotient International (PQI) recently introduced the U350 to its Cool Drive USB flash disk lineup. The design focus of the U350 is aimed at the user by constructing a USB flash drive to have mechanisms of an everyday pen. This design provides maximum protection for the USB connector, it also solves the problem of people frequently losing their USB flash drive lids. The U350 comes in memory capacities ranging from 512MB to 4GB and supports both Windows and Apple Mac operation systems (OSs). The drive comes with USB Notebook Professional security and personal management software.