And some drives support esoteric technology like RAID.The advantage of external hard drives is that you can easily take them with you. You have to choose between two kinds of drives—HDDs and SSDs—as well as the interface (USB or Thunderbolt). Some older drives are formatted specifically for PCs, some specifically for Macs, and some of them have special utilities allowing them to work between both without having to reformat the drive.Buying a hard drive can seem harder than it should be, though. Newer Seagate and LaCie branded external drives come preformatted with the exFAT file system, which allows it to be used on both Mac and Windows without reformatting the drive.
![]() Format Seagate External Hard Drive And Windows Mac And WindowsBest External Hard Drive For DIY: OWC Envoy Pro Enclosure Best Thunderbolt 3 External Hard Drive : LaCie Rugged SSD Pro Most Secure External Hard Drive: Samsung T7 Touch Most Stylish External Hard Drive: Seagate Ultra Touch SSD 1TB Best High-Capacity Desktop External Hard Drive: G-Technology 14TB G-DRIVE It is a mechanical device that relies on spinning platters and a magnetic read/write head that resembles a phonograph tone arm. It’s important to know the differences if you want to get the most out of your storage.An HDD is a traditional hard drive. Its performance is a respectable 540 MBps—far from the fastest on this list, but adequate for routine productivity tasks.There are two fundamental “flavors” of hard drives: Hard Disk Drives (HDD) and Solid State Drives (SSD). An Apple Store exclusive, its brushed aluminum exterior makes it look like it was made by the gang in Cupertino. Best Bargain External Hard Drive: Seagate Portable 1TBApple LaCie 2TB Mobile SSD High‑Performance External SSD BUY FROM APPLEThe LaCie 2TB Mobile SSD drive is an external USB-C drive with more than enough space for all of your digital files. Mac uninstall disk cleanerThe price varies by brand, capacity and performance, but as a ballpark estimate, you can expect to pay about 50% more for a comparably sized SSD. On the other hand, they tend to come in smaller capacities and cost relatively more. Much faster and far more reliable than HDDs, they can move large files in seconds that it would take mechanical hard drives minutes to do. On the other hand, they are slower than SSDs and, as mechanical devices, are prone to mechanical failure as they age.In contrast, an SSD is similar to a USB flash drive—with no moving parts, it’s just a large memory chip. How the hard drive connection affects speedMost modern hard drives use a standard USB-A connection and transfer data at speeds up to 10Gbps. Otherwise, any hard drive with a USB connection should have no trouble working on a Mac. The difference is that hard drives packaged for PCs come formatted with the NTFS file system for Windows, so you’ll need to use the MacOS Disk Utility app to format it for your Mac, an operation which removes all data. Thunderbolt 3 drives, paired with the Thunderbolt 3 port on a Mac, is the fastest external hard drive you can currently buy. Thunderbolt 3 looks just like typical USB-C port but has the potential to be dramatically faster—up to 40Gbps. But recent-model Macs come with Thunderbolt 3 ports.
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