This adapter maintain electrical while simplifying cable management through its multiple device Solve power shortages in or external enclosures by repurposing unused port to energizing modern 15pin storage devices 20cm length can not only keep proper space, but also not easily cause clutter, which is helpful to the internal wiring of the chassis and make the space utilization more efficient Ideal for builders upgrading older systems, professional managing mixed storage arrays, and enthusiasts expanding drive setups Convert 4pin power to 15pin with this adapter cable, enabling power for 15pin device