Product Description

Centbest 2 ports USB 3.0 Type A female to 20 pin motherboard header adapter cable can be installed into a standard PC slot and will be connected internally to a USB 3.0 19 pin header. The cable code expands your system by two external USB 3.0 ports and enables the connection of different USB devices, e.g. Card Reader, HDD, USB hubs, Zalman E11, Zalman Z11 Plus Midi Tower Case, Corsair Obsidian 800D, Asrock z68, Icy Box multicard reader, Coolermaster Silencio case, USB 3.0 expansion slot bracket card, external enclosure etc.

Features:
SuperSpeed USB3.0 connection
USB3.0 female port backwards compatible with USB2.0
Length : 15cm (include connector)
Connector 1: USB3.0 19-pin
Connector 2: 2 x USB3.0 port
Gender: Female/female
Length: 25 cm
Perfect for USB3.0 external hard drives and flash memory
Perfect for custom PC, e.g. gaming computer

NOTE: The Y shape cable has 19 pins but the connector has 20 holes, one hole is unused. So some places describe these as "19 pin" connectors, and some call them "20 pin" connectors.
No worries, the 3.0 cable exension lead would fit your motherboard as it has standard plug for any USB 3.0 motherboard header socket.