Add two extra serial ports to the back of your PC, from your motherboard\n\n The PLATE9M2P16 Dual Port Serial Plate adds two DB9 serial ports to the rear panel of a computer, connecting to two IDC10 header connectors on the motherboard.\n\n Constructed of high quality components, this durable dual port serial bracket is backed by Star Tech.com&153;s lifetime warranty.\n\n Please refer to this product's Technical Specifications to ensure compatibility with your motherboard.\n\n The Star Tech.com Advantage\n\n- Save space by adding two DB9 serial ports through a single expansion slot on the back of your PC\n- Backed by Star Tech.com lifetime warranty Feature Feature Value Connector 12 x DB-9 Connector 22 x IDCConnector gender Male connector / Female connector Product colour Silver, White Weight 46 g Package width 126 mm Package depth 233 mm Package height 10 mm Package length 23.3 cm