Description The dual adapter is convenient and practical, with excellent texture, and can serve you for a long time without being easily damaged. The exquisite craftsmanship can serve you well without breaking easily. This is a very practical dual adapter. Features -Color: Black -Material: copper - Size: 30.00X6.00X1.00cm/11.79X2.36X0.39in Interface: 5557 24pin (20+4), 5559 24Pin - Make the two power supplies turn on and off at the same time, thereby increasing the power of the power supply. - Use a second power supply to power multi-channel graphics cards. - Note: Be sure to recognize the direction when inserting the cable, do not insert it backwards or insert a wrong position to prevent the device from being burned. - It is simple in design, but very practical in use, which brings great convenience to you. - Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one. Make the two power supplies turn on and off at the same time, thereby increasing the power of the power supply. Use a second power supply to power multi-channel graphics cards. Note: Be sure to recognize the direction when inserting the cable, do not insert it backwards or insert a wrong position to prevent the device from being burned. It is simple in design, but very practical in use, which brings great convenience to you. Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one.