The card need 12V/3A DC5.5x2.1mm plug Power Supply. This adapter has built-in chip, Can convert SAS disk to the USB interface of the common motherboard, so USB computers can also use the SAS disk and no need any SAS card if your USB interface without SAS function, Connect our adapter, it can directly read/write SAS hard disk, support win7, win10, win11, After conversion, the SMART of the SAS hard disk display incomplete or no information, but it not affect normal reading and writing Only SFF-8482 SAS hard disks are supported, and SFF-8639 U.2 hard disks are not supported.Supports transmission rates of SAS/ 6.0Gbps, 3.0Gbps, 1.5Gbps.Offers a throughput of up to 5Gbps when used with a USB 3.0 host and device,an 10x the capability of USB 2.0. Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Voltage: AC100-240V Color: Black Material: plastic Package Contents: 1 x SAS Hard Disk Drive Adapter 1 x 12V/3A power supply Only the above package content, other products are not included. Note: Light reflection 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.