The PRO Q is the fastest in its class, the high-performance RAID controller uses the Intel IOP333 RAID processor producing reliable data protection and exceptional data throughput. Your creative content are well protected and your workflow moves along smoothly.The PRO Q comes with 4 hot swappable high performance 3.5 7200 RPM SATA disk drives bays, capable of running in RAID 5 protected mode, where the PRO Q can pump out over 300 MB/s sustained, more than enough for the demands of creative professional working in the highest video resolutions. Want to run faster? Configure the RAID engine to RAID 0 mode and the PRO Q will deliver at over 400 MB/s.Take your creativity with you. Edit in the studio or edit on location. In addition to connecting the PRO Q to a Mac Pro or any desktop computers with a PCIe slot, the PRO Q can also be connected to any laptop computers with an available ExpressCard 34 slot such as the Mac Book Pro. The ExpressCard slot in laptops provides for a x1 PCIe speed, this translates to over 200MB/sec of RAID protected data rate, this is plenty fast for multiple streams of Hi Def video resolutions such as ProRes, DVCPRO HD, HDV and others.The Dulce Systems ExpressCard 34 option also comes with a 1-meter cable.Comes with PCIexpress Host Bus Extender (HBE) and 1M HBE cable.