Other World Computing (OWC), a leading zero emissions Mac upgrade and storage technology company debuted the addition of the OWC Mercury Helios 2 PCIe Thunderbolt Expansion Chassis to its Helios line at CES 2014. The Helios 2 is a solution for using two single-width, or one single-width and one double-width, PCIe 2.0 adapter cards with Mac Pro (2013), Mac mini, iMac, MacBook Air, MacBook Pro, and other Thunderbolt-equipped computers that do not have PCIe slots due to size and/or design limitations. More Users Can Now Tap Into Power of PCIe and Thunderbolt Desktop workstations used to be the only way computer users could access high-performance PCIe cards made for video capture/editing, media transcoding, audio processing, and data storage. Now, with Mercury Helios or Helios 2, users of portable, all-in-one computers, and the new Thunderbolt 2 equipped Mac Pro 2013 can enjoy the functionality and productivity gains of these PCIe cards wherever their work takes them. The original Mercury Helios is fast and flexible with throughput up to 10 Gb/s, while the Helios 2 handles throughputs of up to 20 Gb/s, and is the perfect solution to massively boost workflow productivity. Both are bootable with AHCI compliant cards and can daisy-chain up to six devices. Helios 2 Key Features: Two Thunderbolt Ports Expansions slots: (2) PCIe 2.0 x 8 (x4) mode Up to 20 Gb/s data transfer Daisy-chain up to six devices OWC One-Year warranty The OWC Mercury Helios 2 PCIe Thunderbolt Expansion Chassis will be available soon for $479.99. For more details, visit: http://eshop.macsales.com/shop/Thunderbolt/PCIe_Chassis/Mercury_Helios/Helios2.