Feature: 1. EXPANSION FUNCTION: The TXB169 ASM1061 PCIEx1 to 2 Port SATA3 adapter card expands your system's storage capacity, allowing you to connect two SATA3 devices at the same time, greatly enhancing work efficiency. 2. HIGH SPEED TRANSFER: Using a PCIEx1 to SATA3 interface, this adapter provides fast data transfer speeds, allowing you to easily cope with both large amounts of data backup and migration as well as daily file access. 3. EASY INSTALLATION: The plug and play nature of this adapter eliminates the need for driver installation or complicated setup, allowing you to enjoy efficient hardware expansion without technical barriers. 4. WIDE COMPATIBILITY: Compatible with most PCIE and SATA devices, allowing you to use both old and new devices, reducing the cost of upgrading hardware and equipment, and facilitating the replacement of your equipment. 5. STABLE AND DURABLE: PCIe X1 to 2 port SATA adapter card is made of premium PCB material, which ensures the stability and durability of the device, and keeps it in excellent working condition under long term use. Specification: Item Type: PCIe X1 to 2 Port SATA Adapter Card Material: PCB Interface Type: PCIEx1 to 2 Port SATA3. Package List: 1 x PCIe X1 to 2 Port SATA Adapter Card