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#1
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SSD
I've got a Scan Disk Extreme Pro SSD 4TB USB-C for my M1 Macbook Pro.
Copying files from my computer to the disk is pretty fast. 7GB something like a few seconds Copying files to my computer from the disk is very slow. (like 10 times slower) What could be the reason?
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Mac Studio - Ventura- 64 Gb ram - SSD int 2T - SSD ext 4T - Antelope Galaxy 32 |
#2
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Re: SSD
Please download the Blackmagic Disk Speed Test app and post results.
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Janne What we do in life, echoes in eternity. |
#3
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Re: SSD
thank you
Target Drive Mac SSD User Folder: ... around 5500 MB/s for write and read. Traget Drive Scandisk SSD: .... around 900 MB/s for both
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Mac Studio - Ventura- 64 Gb ram - SSD int 2T - SSD ext 4T - Antelope Galaxy 32 |
#4
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Re: SSD
Speed test is a good idea.
What filesystem is on the external drive? How exactly is the drive connected? How exactly are you copying over stuff? Where exactly are you copying files to on the Mac internal SSD? Especially be aware of cloud storage folders, including iCloud shared home directories (that you should not have enabled). |
#5
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Re: SSD
Basically what you expect. And with SanDisk confusing product naming it’s unclear exactly what model/generation drive you have… but even if you had a USB 3.2 2x2 (20Gbps) drive you only get support for up to USB 3.2 Gen 2 (10 Gbps) on Macs… Apple trying to “protect” Thunderbolt???
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#6
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Re: SSD
I'm not a tech guy. So the numbers are correct?
The drives says: ScanDisk Extreme Pro Portable SSD, Model sdssdE81-4t00 Format Mac OS Extended (Journaled) Singel USB-C cable f.Ex Files from Mac Download folder (Wetransfer) to disk or back
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Mac Studio - Ventura- 64 Gb ram - SSD int 2T - SSD ext 4T - Antelope Galaxy 32 |
#7
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Re: SSD
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Last edited by Darryl Ramm; 03-14-2023 at 11:15 AM. |
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