PCI Express SATA 6Gbps expansion card with 6 SATA GEN III 6Gb/s host controllers brings server-class functionality to the desktop The motherboard supports the use of the industry's latest and fastest 6Gb/s hard drives, while providing backward compatibility with legacy SATA1.5Gb/s or 3Gb/s drives It will improve system performance for every type of computer user. Each PCI-Express 2.0 provides up to 500MB/S throughput. Compliant with PCIe 2.0 specification. 1 - . 2.5 Gbps and 5.0 Gbps communication speeds. IDE programming interface registers supporting SATA controllers Supports AHCI programming interface registers for SATA controllers. Supports aggressive power management. Support for error reporting, recovery and correction. Support for Message Signaled Interrupts (). SATA Controller Features Compliant with Serial ATA Specification 3.0. Programmable transmitter signal levels are supported. Gen 1i, Gen 1x, Gen 2i, Gen 2m, Gen 2x and Gen 3i are supported. Support dual-port SATA. Support AHCI 1.0 and IDE programming interface. Native Queuing (NCQ) is supported. Port Multiplier -based switching or -based switching is supported. Partial and hibernate power management states are supported. Staggered rotation is supported. colour: black Material: PCB+metal Size: 15x8x6CM Package Contents: 1 x Expansion Card Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.