Other World Computing (OWC), the Elite-AL Pro Dual Quad mini-mini-interface storage devices, following the single-drive Elite-AL Pro. The new dual-drive storage system offers bus-powered FireWire 800, FireWire 400, USB 2.0 and eSATA interface quad. The Elite-AL Pro Dual mini can min with two 2.5-inch SATA hard drive 7200 rpm (up to 2 TB) or two 2.5-inch SSDs are equipped (up to 800 GB).OWC Mercury new storage offers data transfer rates up to 300 MB / s and is in the factory-in RAID 1 mirroring for live-configured redundant data protection is available, RAID 0 Stripe performance or non-RAID. The device has a heat sink aircraft grade machined aluminum enclosure and features an ultra-protective-Shock isolation system. The OWC Mercury Elite-AL Pro Dual Mini starts at $ 179.99 for HDD-based models and $ 599.99 for SSD-based model. Perhaps you want only the case for $ 84.99 and receive your own hard drive / SSD add.