Adaptec Series 7 2274500-R 71605ESinglePCI-Express 3.0 x8 Low Profile SATA / SAS RAID Controller Card Internal Connectors: 4 x SFF-8643 mini-SAS HD Transfer Rate: Up to 6Gb/s RAID: RAID 0/1/1E/10 Cache Memory: 256MB Dimensions: 2.535H x 6.6L (64mm x 167mm) MD2- Low Profile Operating Systems Supported: Microsoft Windows Red Hat Linux SUSE Linux Fedora Debian Linux Ubuntu Linux Sun Solaris FreeBSD VMware ESX *For a detailed list see: http://ask.adaptec.com/app/answers/ detail/a_id/17239 Parts: 3 Year Labor: 3 Year