Features: Compliant with PCI-Experss specification V2.0 and backward for PCI-Express 1.x. Compliance with Serial ATA Specification 3.0. Bus type PCI for Express X1 interface, for PCI for Express x1, x2, x4, x8 and x16 Slot. The supported communication rates are 6.0 Gbps, 3.0 Gbps and 1.5 Gbps. Hot swap and heat exchange. Rear 6 port SATA3.0 interface for easy wiring. Support AHCI Boot Mode. for SATA 6G, 3G and 1.5G hard drives. with some big heatsink. ASMedia ASM1166 Chips. Support Synology. Specifications: Product Name: Expansion Card Material: P C B Colour: Black Size: approx. 12x10.2cm/4.72x4.01in Interface rate: 6Gbps Expansion interface: 6 SATA3.0 interfaces Bus interface: PCI-express X1 slot Compatible system: for Windows XP / Vista / 7/8/10 / Server 2003/2008 , Linux 2.6.x version and above Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1PC x PCIe to SATA Card