Definitely on the pricier end of things but this external performs. Unlike other "backup" drives which run on SMR HDDs that have abysmal write performance ~40MB/sec that drops after sustained writes to as low as 3MB/sec, This has sustained write speeds of ~440MB/sec throughout in its default config(striped RAID) out of the box. Management software was slightly confusing to install on the newer Macs with their higher level of security but this was just out of curiosity instead of a real need to do any management to the drive config. It works right out of the box, just feed it power and plug it in. Have had it running for a couple months ...view more