6-Port PCI Express Card for SATA 3.0 (6Gbps) Use one PCIe x4 card slot to add 6 SATA hard drives (HDD) or Solid State drives (SSD) to your computer system. Compliant with SATA 3.0 and PCI Express 3.0 specifications 6-Port SATA 6Gbps performance ASM1166 This SATA upgrade card is equipped with an ASM1166 controller and can be connected to six high-performance SATA drives (6 Gbps) (16 Gbps total throughput ). SATA drives connect to 6 SATA ports on each card (SATA cable sold separately) Broad Compatibility: It is widely compatible with major OS platforms such as Windows (7/8/10/11), macOS (10.10 and above), Linux (2.6.32 and above). It also supports port multipliers and allows you to connect multiple drives to a single SATA port (additional hardware sold separately) It does not have a built-in RAID controller for better motherboard compatibility, but is fully compatible with software RAID. Compliant with PCIe 3.0 and SATA 3.0 specifications, also offers backwards compatibility with older versions (SATA 1.0/2.0, PCIe 1/2) Easy Installation. This SATA expansion board works with plug and play and supports both full-profile and low-profile systems. Comes with full profile bracket installed, low profile (half height) bracket included with the product. It supports storage software management systems such as storage space (Microsoft), RAID Assistant (macOS), mdraid/mdadm(Linux), and so on for setup, partitioning, and software RAID array configuration. StarTech.com offers this product with a 2 year warranty and free indefinitely support in Japan.