ITEM NAME:SATA Expansion Riser Card Board 1 to 5 Port SATA3.0 Multiplier Controller Module Product Description Description: SATA Expansion Riser Card 1 to 5 Port SATA3.0 Multiplier Controller Adapter Module for PC Motherboard Feature: 1. 1 to 5 SATA port multiplier, can support up to 5 SATA hard disks. 2. It provides SATA port expansion, data protection and a summary of the performance in various applications. 3. Support SATA hot swap. 4. To use the computer host with JMB321 chip, you need to use a motherboard or expansion card that supports the SATA Port Multiplier function. 5. Support for Windows 7, XP, Vista and other operating systems. 6. Support SATA 1.5 Gbit/s or SATA 3.0 Gbit/s transfer speed. Specification: Product Size: 135 X 115 X 35mm/5.31 X 4.53 X 1.38" Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. Included: 1 X 1 To 5 SATA3.0 Adapter Card 1 X SATA Power Cable 1 X USB Cable.1 to 5 SATA port multiplier, can support up to 5 SATA hard disks. To use the computer host with JMB321 chip, you need to use a motherboard or expansion card that supports the SATA Port Multiplier function.