ITEM NAME:USB 3.0 20Pin Motherboard Female to 2 Type-A Female Connectors Y-Cable Description: - Two USB 3.0 female type A ports to 20 pin Motherboard adapter cable - Reverse compliant with USB 1.0 / 2.0 - Add extra USB 3.0 port to any PC with this adapter - Driver-less installation for Windows ME / 2000/ XP/ Server 2003 / Vista / 7 / 8 / 10 / Linux ( any distribution ) Specification: - Material: copper core - Size: 263*20*8mm Package Included: 1 Piece Dual USB 3.0 to 20-Pin Cable.Two USB 3.0 female type A ports to 20 pin Motherboard adapter cable. 1 Piece Dual USB 3.0 to 20-Pin Cable. - Material: copper core. - Add extra USB 3.0 port to any PC with this adapter. - Size: 263 20 8mm.