SATA III (6Gbps) | PCI Express 3.0 | PCIe x4 Slot | 4x SATA Connectors | 2-Year WarrantyThis 4-port SATA III (6Gbps) controller enables you to add four SATA 6Gbps Hard Drives (HDDs) or Solid State Drives (SSDs) to your computer system or server via an available PCIe x4 card slot. The card supports SATA III and PCI-Express 3.0 Specifications.ASM1164 to Deliver 4-Port SATA 6Gbps PerformanceFeaturing the ASM1164 controller, this SATA card enables the connection of four high-performance SATA 6Gbps drives with a combined total throughput of up to 16Gbps. The SATA drives are connected via four individual SATA ports located on the card (SATA cables sold separately).Wide CompatibilityThe controller card is widely supported across all popular operating system platforms including Windows (7, 8, 10), macOS (10.10 and above) and Linux (2.6.32 and above). The card also supports port multiplier, giving you the ability to connect multiple drives to a single SATA port (additional hardware required, sold separately).To further improve motherboard compatibility the card does not have a built-in RAID controller, but fully supports the use of software RAID. Plus, with support for PCIe 3.0 and SATA III Specifications this card ensures backward compatibility with previous generations (SATA I/II, PCIe 1/2) at lower performance.Hassle-Free InstallationThe SATA controller card features plug-and-play installation and can be installed in a full-profile or low-profile computer systems with the full-profile bracket preinstalled, and an interchangeable low-profile (half-height) bracket included. The card also supports storage software data management systems such as Storage Spaces (Microsoft) , RAID Assistant (MacOS) and mdraid/mdadm (Linux), for hassle-free setup, partitioning and software RAID array building.4P6G-PCIE-SATA-CARD is backed by a StarTech.com 2-year warranty and free lifetime 24/5 North American based, multi-lingual support.The StarTech.com Advantage