Compatible with Serial ATA 3.0 specification, compliant with PCIe 2.0 specification. Supports communication speeds of 6.0 Gbps, 3.0 Gbps, and 1.5 Gbps Supports programmable transmitter signal levels Supports generation 1i, 2i, 2m, 2x, and 3i Applicable slot: PCI-E (1x, 4x, 8x, 16x) Supports two SATA ports Color: Black Material: Plastic + Metal Supports AHCI 1.0 and IDE programming interfaces Supports Native Command Queuing (NCQ) Supports port multiplier-based or command-based switching Supports partial and slow power management states Supports Hot Plug and Hot Swap />Compatible with 6G, 3G and 1.5G SATA hard drives Large chassis / small chassis can be used. Bus interface: PCI-Express x1 Connectors: 2x SATA System support: PCI Express compatible system with available PCI Express slot 8/7 (32 / 64bit) / Vista (32 / 64bit) / XP / Server 2003/2008 Tray size: (L x W) 71 x 57mm Bracket size: 120mm and 80mm Quantity: 5Set Note: product can only be installed on PCI-E interface. Do not install