High compatibility, all-in-one card reader supports most available cards, for SD card, CF card, TF card, M2 card and MMC/MS cards. Front microphone and speaker ports on the front panel audio output interface, efficiently avoid inconvenience of plugging behind chassis. Dual USB 3.0 ports and six USB 2.0 ports hub enable eight devices fast charging &amp; high speed transferring simultaneously, convenient and efficient. Up to 3Gbps transmission rate of eSATA, up to 1.5Gbps transfer speed of SATA and up to 480Mbps transfer speed of USB 2.0 and 5Gbps of USB 3.0 interface, satisfy your multiple needs. Perfectly insert with your 5.25" bay, the computer turns out to be multifunctional immediately, the eSATA, SATA, two USB 2.0 and six USB 3.0 ports on front panel for easy and quick access to external devices. Specification: Material: ABS Color: Black Interface: USB 3.0 / 2.0 Suitable for Bay Size: 5.25 inch Ports: 1*eSATA Port 1*SATA Port 2*USB 3.0 Port< /p> 6 * USB 2.0 Port 1 * Speaker Port 1 * Microphone Port Slots: 5 Card Reader Slots< /p> Output voltage: 12V/5V Power port: 4-pin power interface Built-in card reader: for SD card, CF card , TF card, M2 card and MMC/MS cards. Sys Operating tem: for Win98/7/8/Me/2000/XP/Vista, for Mac9.X/10.X/Linux11 Item Weight: Approx. 301g / 10.6oz Package size: 17 * 14.3 * 4.5cm / 6.7 * 5.6 * 1.8in (L * W * H) Package weight : 367g / 12.9oz