1、Can be connected to 4 hard drives, the capacity can reach 4TB. 2、Integrated for SAS 2004-4i host controller. 3、Supports all major operating systems. 4、Used for disk expansion, building disk arrays, mostly used in the server field. 5、6Gb/s per port delivers 2400 MB/s full duplex. Features: Can be connected to 4 hard drives, the capacity can reach 4TB. Integrated for SAS 2004-4i host controller. Supports all major operating systems. Used for disk expansion, building disk arrays, mostly used in the server field. 6Gb/s per port delivers 2400 MB/s full duplex. 1 x 4 internal SFF8087 Mini-for-SAS connector With 8 host interfaces of 5GT/s PCI Express 2.0. MD2 low-profile form-factor design. Maximum power usage of 9W Integrated for RAID 0, 1, 1E, and 10 Connects to for SAS and SATA HDDs, SSDs, and tape drives Support for up to 256 physical devices Fusion-MPT architecture can achieve more than 290,000 I/Os per second Consistency Check. Hot Spare Support. SMART error detection. PowerPC 440 at 533MHz Supports all major operating systems. RoHS compliant Flexible SATA+for SAS array architecture optimizes cost 4 internal high-speed for SAS ports for maximum storage connectivity 6Gb/s per port delivers 2400 MB/s full duplex. Specification: Model: PCI-E for RAID Controller Card Material: PCB Interface: 8 x PCI-E Speed: 6Gb/s per port Operating System: Supports all major operating systems Size: Approx. 17x12x2cm/6.69x4.72x0.79inch Package List: 1 x 9211-4I HBA Card 1 x Half Height Baffle 1 x Drive Disc