This 6-port SATA III (6Gbps) controller lets you add six SATA 6Gbps hard drives (HDD) or solid hard drives (SSDs) to your computer system or server through an available PCIe x4 card slot. The card supports SATA III and PCI-Express 3.0 specifications. ASM1166 Delivers 6-Port SATA 6Gbps Performance [HTMLLINEBREAK] Featuring the ASM1166 controller, this SATA card enables the connection of six high-performance SATA 6Gbps drives with a combined total throughput of up to 16Gbps. SATA drives are connected via six individual SATA ports located on the board (SATA cables sold separately). Extensive Compatibility [HTMLLINEBREAK] The controller card is widely supported by all popular operating system platforms, including Windows (7, 8, 10, 11), macOS (10.10 and above), and Linux (2.6.32 and higher). 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 compatibility with motherboards, 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. Easy Installation [HTMLLINEBREAK] The SATA controller card features plug-and-play installation and can be installed in both full-profile and low-profile computer systems with a pre-installed full-profile bracket and interchangeable low-profile (mid-height) bracket included. The card also supports data management systems in storage software such as Storage Spaces (Microsoft), RAID Assistant (MacOS) and mdraid/mdadm (Linux), for trouble-free configuration, partitioning and building of software RAID arrays. The 6P6G-PCIE-SATA-CARD is backed by a 2-year warranty from StarTech.com and free 24/5 North America-based, multilingual lifetime support.