It connects four 6 Gbps SATA 3.0 SSD or HDD to your desktop computer with 4 SATA cable to improve your system performance and expand overall internal storage. (NO-Support Raid). ^^ The 4 ports SATA controller base on ASMedia ASM1064 chip, more stable and wider compatible. Port Multiplier Command-based switching supported. ^^ Compliant with SATA 3.0 standards, backward compatible with SATA 1.0 and SATA 2.0. Support PCIe 1.0, 2.0, 3.0 protocol on motherboard PCIe X1, X2, X4, X8, X16 slot. PCIe 3.0 X1 interface provide 8Gbps total bandwidth, each SATA 3.0 port will get 6Gbps max speed for AHCI boot and storage.
^^ Full height and low profile bracket included. ^^ Supports Windows 7/8/10, Windows Server 2008 R2/2012 R2/2016/2019, RHEL/CentOS 6/7/8, Debian 9/10/11, Ubuntu 16/18/20/21, SUES 11/12/15, FreeBSD 11/12/13, VMware ESXi 5/6/7.