This Maxtor 3000 LS external hard drive comes with a USB cable and is being sold untested without a power cord. It is compatible with laptops, PCs, and Macs, and has a storage capacity of 40GB. The interface is USB, and it belongs to the Maxtor Personal Storage product line. The model number for this device is 3000LS. The brand of this external hard drive is Maxtor, and it falls under the categories of external hard disk drives, hard drives (HDD, SSD & NAS), drives, storage & blank media, and computers/tablets & networking. This device is perfect for those who need to store large files and want an external drive that is compatible with multiple devices.