pin/19 pin cables with the 90-degree L-Turn DOWN Angled adapter.By allowing the USB 3.0 20 pin/19 pin cable to be installed at a 90 degree angle, builders are no longer need to wrap or fold the cable up and back over the motherboard and reduce the amount of cables needed in front of the motherboard tray.; Connectors』There are two types about the adapter including DOWN and UP type. Please refer to the image 5th about how to choose the correct type. Connector A : 20 pin male, Connector B : 20 pin female,(Super-speed up to 5 Gbps 10× faster than USB 2.0 Version ); Compatibility』The adapter is standard USB 3.0 20 pin connector, so it will work with all of USB 3.0 20 pin/19 pin ports on the motherboard such as Gigabyte Msi Onda Inte DELL HP Lenovo USB3 Motherboard, etc.; Parameter』Dimension(L*W*H): 23*15*14mm(0.9*0.6*0.55in), Gauge: premium high-performance black PCB with EVA pad, Quantity: 2pcs, Self-adhesive tape*1pcs; Note』The adapter was only designed for USB 3.0 20 pin/19 pin port to improve the connection between your motherboard and USB 3.0 20 pin cable. Must install the adapter step by step to avoid shorting pins and motherboard damage. Please remove power cable and wait 10 seconds before installation.;