Sonnet Tempo SATA Pro 6Gb 4-Port Storage Controller - Plug-In Card Components Other TSATA6-PRO-E4<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>PCI Express 2.0 x4 host bus interface and high-performance SATA controller</li><li>Superior performance with aggregate data transfers speeds up to 1300 MB/sec</li><li>Optimized to maximize performance over Thunderbolt - perfect for use in Sonnet's Echo Express Thunderbolt Expansion Chassis for PCIe Cards</li><li>Supports drive hot-swapping under Mac OS X</li><li>Supports ATAPI (DVD-ROM) drives</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41S3YZpGCFL.jpg" noproxy>