BROADCOM - IMSOURCING MegaRAID 9260-4i SAS Controller - Serial ATA/600, 6Gb/s SAS - PCI Express 2.0 x8 - Low-profile - Plug-in Card - RAID Supported - 0, 1, 5, 6, 10, 50, 60 RAID Level - One Mini-SAS internal connector (SFF-8087) - 4 Total SAS Port(s) - 4 SAS Port(s) Internal - PC, Linux - 512 MB Battery Backup: