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USB 's hot-swap capability lets you quickly configure your system to match your current needs and keep your spare devices stashed away . HP 's hot-swap technology reduces planned downtime , and our virtual array architecture simplifies array management and administration . In addition , FirmTek ’ s hot-swap compatibility makes it possible for users to move entire drives and arrays between any FirmTek-equipped systems , or into secure storage . Also , the hardware 's hot-swap capabilities enhance reliability and availability for carrier and enhanced service provider environments .