Dual power supply PC ESATA + USB2.0 supports 2.5" / 3.5" / 5.25" function no external power supply avoid driving high speed 3.0GB transmission; Hard disk and CD-ROM machine does not need through the device can be connected directly to use support 2TB large amount of hard disk space; Support hot plug (motherboard to open AHCI function); USB interface and ESATA interface two in one interface can any other products inserted ESATA products can also be connected with the USB interface; ESATA cable length: 70cm; SATA cable length: 40cm; Connected to the motherboard USB length: 40cm; The motherboard power supply cable length: 20cm Plug and socket plug in PCI board products; ESATA high-speed transfer interface ESATA + USB Combo; Product size: 12cm (L) x 4.5cm (W) z 1.8cm (H) Product net weight: 28 /g