headphone adapter 1111111111111111 Internal Interface: SATA I/II External Interface: USB 2.0 & eSATA Maximum Capacity (per Bay): Up to 3TB (WinXP Not supported 3TB) Fan: 1 x 80mm cooling fan (Internal) Complies with the USB 2.0 and eSATA Combo interface Power On/Off for internal cooling fan USB Supports Win 2000/ME/XP/VISTA, and Mac OS 9.x/10.x and above, Linux kernel after 2.4.1.0