This part is a kind of semiconductor called VL812.

Function of this product has USB 3.0 Hub Controller.

Manufacturers : VIA Labs

Image and pinout :

Some of the text within the PDF file :

VL812 USB 3.0 Hub Controller (B1) Data Sheet VL812 (B1) USB 3.0 Hub Controller December 21, 2012 Revision 0.99 VIA Labs, Inc. www.via-labs.com 7F, 529-1, Zhongzheng Rd., Xindian District, New Taipei City 231 Taiwan Tel: (886-2) 2218-1838 Fax: (886-2) 2218-8924 Email: sales@via-labs.com.tw -1- VL812 USB 3.0 Hub Controller (B1) Revision History Rev 0.85 0.90 Date 4/17/2012 10/3/2012 Initial TS TS Note First External Release Added Option for 2 and 3 Power Domain Implementation Added WHCK Certification 0.95 0.99 11/29/2012 12/21/2012 TS TS Added Ordering Information for Gold Wire Updated USB-IF Hub Certification and Windows 8 Support -2- VL812 USB 3.0 Hub Controller (B1) Contents Revision History .. [ ... ]

VL812 PDF Datasheet Download