
In my case I am formatting an 8TB Seagate Backup Plus+ USB 3.0 external HDD hard drive. This setup will utilize the newest, most fault-tolerant partition tables, and allows for the largest volume and file size capabilities. It probably isn’t super important for smaller files, but it could be a necessity for people working on larger files like videos or disk images.īelow is a step-by-step procedure for formatting a large External USB drive which can be used by both a Mac and a PC. The main benefit to it is that it doesn’t have the file size restrictions of FAT32, so individual files with exFAT can be larger than 4GB each. MBR had no way of knowing if its data was corrupted - you’d only see there was a problem when the boot process failed or your drive’s partitions vanished.”ĮxFAT was released in 2006 as well, but Microsoft added backwards-compatibility to previous Windows versions from before Vista. GPT also stores cyclic redundancy check (CRC) values to check that its data is intact - if the data is corrupted, GPT can notice the problem and attempt to recover the damaged data from another location on the disk. In contrast, GPT stores multiple copies of this data across the disk, so it’s much more robust and can recover if the data is corrupted. If this data is overwritten or corrupted, you’re in trouble. “On an MBR disk, the partitioning and boot data is stored in one place. Here’s a good quote for other important features regarding GUID (GPT stands for GUID Partition Table). GUID doesn’t suffer from the restriction of a maximum partition size of 2TB, so if we have a hard drive larger than 2TB, we won’t be required to build multiple partitions with MBR. So, any modern computer since 2006 should be compatible. Because OS X is able to partition a GUID partition, we want to partition our large external hard drives with this compatible partition table. Chris on How to clone a Dell Optiplex 7050 M.2 NVME Hard Drive with Clonezilla and an External USB HDDĪll versions of Windows since Windows Vista should be able to access a GUID drive.


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