![]() USB 3.0: Kit: 1TB 1024.0: PC & Mac: 2 years: FreeAgent® GoFlex® Desk Drive Only 1 TB STAC1000500 Drive Only: 1TB 1024.0: PC & Mac: 2 years: FreeAgent® GoFlex® Desk Kit 1 TB STAC1000200 2-year limited warranty. As such, it can only address a limited number of sectors, and with a 512B sector size, this equates to an addressable space of about 2. FreeAgent® GoFlex® Desk USB 3.0 Kit 1 TB STAC1000201 2-year limited warranty.Windows XP only supports MBR partition tables, not GPT.The reason why the controller does this is because:.But when plugged straight into SATA, it looks like it has 512B sectors. For example, I plugged in a Hitachi 3TB disk into the interface and got 4kB sectors. ![]() The conversion from 512B to 4kB sectors is done in the SATA -> USB 3.0 controller itself, NOT in the drive.If you plug a 1TB drive in there, it looks as if the drive has 512B sectors!.If you plug a 3TB drive in there, it looks as if the drive has 4kB sectors.Physical disk platters USB 3.0) which is available for purchase now and I actually bought two last month when I was in Vegas. So if I were to draw a diagram, it would be: Therefore, at the SATA interface, computers will see most (if not all) disks as having 512B sectors.Most, if not all disks nowadays have physical 4kB sectors, BUT the on-disk controller emulates it as 512B sectors.However it has not been that straightforward. We are also looking out for reports of other incompatible hardware.įor many months I have been trying to find 4kB sector disks so we could produce a KB article of incompatible hardware. The short story: please avoid the Seagate FreeAgent GoFlex disks. The VHD libraries that it uses rely on 512B sectors on the backup disk. For some time, the Microsoft Block Level Backup engine has had difficulties backing up to 4kB sector sized disks.
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