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I have a MacBook Pro 16 and need to know if a SeaGate Backup Plus Slim STHN1000400 is compatible? Will a USB -3 work with my plug in? Also, how hard is it to reformat the hard drive? Thanks!

Is a MacBook Pro 16" compatible with a SeaGate Backup hard drive (Plus Slim STHN1000400 (will a USB 3.0 work for plug in or will I need an adapter? How hard is it to reformat the hard drive to work with the MacBP?

Posted on Dec 10, 2021 6:21 AM

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Question marked as Top-ranking reply

Posted on Dec 10, 2021 6:38 AM

ravenbreath wrote:

Is a MacBook Pro 16" compatible with a SeaGate Backup hard drive (Plus Slim STHN1000400

most HDDs will work with your mac. there has been a few people reporting issues with certain drives, but i haven't seen seagate being listed. just DON'T use any software for the drive that's provided by seagate.

(will a USB 3.0 work for plug in or will I need an adapter?

if the mac only has USB-C ports, you will need a USB-C to USB Adapter

How hard is it to reformat the hard drive to work with the MacBP?

it's really easy. please see Erase and reformat a storage device in Disk Utility on Mac - Apple Support

2 replies
Question marked as Top-ranking reply

Dec 10, 2021 6:38 AM in response to ravenbreath

ravenbreath wrote:

Is a MacBook Pro 16" compatible with a SeaGate Backup hard drive (Plus Slim STHN1000400

most HDDs will work with your mac. there has been a few people reporting issues with certain drives, but i haven't seen seagate being listed. just DON'T use any software for the drive that's provided by seagate.

(will a USB 3.0 work for plug in or will I need an adapter?

if the mac only has USB-C ports, you will need a USB-C to USB Adapter

How hard is it to reformat the hard drive to work with the MacBP?

it's really easy. please see Erase and reformat a storage device in Disk Utility on Mac - Apple Support

Dec 10, 2021 6:46 AM in response to ravenbreath

It might be more correct to say is the Seagate drive compatible with the computer and Monterey. Not the other way around.


If the Seagate comes with a USB-A male adaptor that is used to connect to the computer and the computer has USB-A female sockets - no issue.


But, if the computer has the newest USB-C sockets, an Adapter will be required. See picture below adaptor as example.


If the drive is brand new - really suggest no using any bundled software that might be on the drive. Just let Monterey mange the drive.


To Reformat to Only use on Apple Computer - Disk Utilities >> View >> View ALL attached Drives. Choose the Upper Most Drive by the name " Seagate ". That is the drive to reformat as HFS Journaled with the GUID Partition Map


If using it as Time Machine Backup - it may offer to reformat to APFS / GUID which is the preferred format for TM Backup in Monterey



I have a MacBook Pro 16 and need to know if a SeaGate Backup Plus Slim STHN1000400 is compatible? Will a USB -3 work with my plug in? Also, how hard is it to reformat the hard drive? Thanks!

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