Features : This Quad SATA SSD adapter is a PCIe add-on card that supports connection up to four 2.5 Inch SSD / HDD into Desktop PC. PCIe x1 interface, compatible with x4/x8/x16 slot as well. It can be used as an OS drive to significantly improve the boot time and overall system performance. This is a great solution for creating your own SSD storage by taking advantage of the commercially available 2.5 Inch SATA SSD/HDD. With Built in Power Circuit, no Need SATA Power Connector, good and easy cable management 4 SSD/HDD are mounted as 4 separate drives. Hardware RAID : No Specificatins : Chipset: Marvell 88SE9215 AHCI Inbox Driver Support Compliant with PCI-Express Specification V2.0 and Backward Compatible with PCI-Express 1.x Compliant with Serial ATA Specification 3.0 PCI-Express x1 Interface, compatible with PCI-Express x4, x8, and x16 slots Supports Communication Speeds of 6.0 Gbps, 3.0 Gbps, and 1.5 Gbps Supports Native Command Queue (NCQ) All HDD /SSD are mounted as separate drives OS Supported : WindowsXP/Vista/7/8/10/Server 2008,Linux 2.6.x and up and Mac OS Mechanical dimensions : W 20 x H 120 x L 255 mm package content : 1 x SE-PCIE-SSDx4-SATA6G-EX 1 x Driver CD 1 x user manual 4 x SSD Mounting bracket 16 x SSD Mounting screws ** all SSD not included If you need Quad SSD RAID version, please check ASIN B07SGQLTQS If you need Dual SSD version, please check ASIN B07L5SPWNV and B07MTFDY76 If you need Single SSD version, plese check ASIN B01452SP1O