HIGH-PERFORMANCE: Add two SATA III 6Gbps ports to your desktop computer or server using a PCIe x1 slot to connect SATA drives (HDD/SSD); 2-Port SATA PCIe card features 2x SATA connections for connecting drives using SATA cables (sold separately) ASM1061 CONTROLLER: This PCI Express SATA 3 6Gbps card features single-chip architecture adding two SATA (serial ATA) 6Gbps ports via a single x1 PCIe slot combined total bandwidth up to 4Gbps; Supports Port Multiplier & NCQ (Native Command Queue) COMPATIBILITY: Supports PCIe 2.0, SATA 3.2 & AHCI 1.4 Specs, and previous gens at lower performance; Windows (7+), macOS (10.6.8+), Linux (2.6.32+); Improved motherboard compatibility with no built-in RAID; Supports ATA & ATAPI (HDD, SSD, Optical Disc) EASY INSTALL: Expansion card w/ plug-and-play setup in full or low-profile PCI-e slot (full-profile bracket installed, low-profile incl); Supports storage management systems such as Storage Spaces (Microsoft) , RAID Assistant (macOS), mdraid/mdadm (Linux) STARTECH.COM ADVANTAGE: IT professionals choice for over 30 years; This SATA PCIe adapter controller card converter is backed for life by StarTech.com, including free 24/5 North America based multi-lingual tech support