With the fast development of hard drive industry, the companies producing them started the transition from the traditional sector size of 512 bytes to the larger and more effective 4K sector (holding 4096 bytes). However, there are plenty of people around who are still using 512 byte drives and haven’t seen a 4K drive yet. Talking of data recovery, not all recovery tools are capable of handling this specific drive type. In today’s article, we’ll try to find out what kind of hard disk drive is that and what advantages it has to offer for an average user.