All computers used to have an internal hard disk; however, today ... external drive can be plugged into a USB or eSATA port (see SATA). Hard disks are not the computer's main memory.
The Seagate Barracuda ST100LM048 is a 2.5-inch internal hard drive for laptops. It has a SATA 6Gb/s interface and ... position the recording head off the disk surface to help protect your data.
twice that of comparably priced internal SATA SSDs It is still more expensive than 2TB portable hard disk drives but the price gap is at its lowest ever The 2.5-inch USB-C Patriot Transporter 2TB ...