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userpXT2AZpC15
Astronaut

T5 SSD Very Slow

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I purchased a T5 portable SSD drive (500MB) awhile back from Amazon but only recently started using it.

 

From a MacBook Pro, I was copying files to several SSD drives, including a T1 and a WD Passport, and I noticed the T5 was several times slower than the other drives. I downloaded the BlackMagic Disk Speed Test app, and noticed I was getting read and write speeds on this drive that were right around 40 MB/s. Testing the other drives, including the internal SSD, I was getting speeds more in the 200-300 MB/s range. I reformatted the drive using JHFS+ but it made no difference.

 

I then took the drive to a Windows machine and reformatted it using NTFS. Using AS SSD Benchmark, I am seeing read and write speeds on the drive between 20-25 MB/s. Again, other SSD drives are showing between 200-300 MB/s.

 

I am thinking that maybe it's the cable. Can I use any USB-C to USB-A cable as a replacement?

 

I am really disgusted with this since the drive is obviously defective and it is too late to get my money back.

 

Bruce

1 SOLUTION

Accepted Solutions

Re: T5 SSD Very Slow

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Hi userpXT2AZpC15,

The drive you have may be defective, replacing the cable might be a good idea to see if it makes a difference, however have you contacted Samsung's technical support? These drives typically carry a long warranty and you should be able to start a warranty ticket with them if you try giving them a call.
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7 REPLIES 7

Re: T5 SSD Very Slow

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Hi userpXT2AZpC15,

The drive you have may be defective, replacing the cable might be a good idea to see if it makes a difference, however have you contacted Samsung's technical support? These drives typically carry a long warranty and you should be able to start a warranty ticket with them if you try giving them a call.
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userUPJy40NrvF
Constellation

Re: T5 SSD Very Slow

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Same here!!! I upgraded from 500 ssd WD and  bought T5 1T. 
I'm using as external hard drive for my virtual instruments,
it took 7minutes to upload one of my VST.. 
I changed the cable too but it's the same..

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CrispyBacon89
Constellation

Re: T5 SSD Very Slow

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It is a defect drive.  I experienced same issue.  Around 40MB/s read/write NTFS.   I bought it specifically for my son's Xbox One X but the Xbox kept saying it was too slow for games.  Exchanged it for a new one and boom 400+MB's and xbox worked perfectly.   

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useryftGkXLEZZ
Astronaut

Re: T5 SSD Very Slow

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I had the same problem. replaced the cable and the problem was solved.

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userXkynWfHoV1
Astronaut

Re: T5 SSD Very Slow

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I was backing up with Acronis from an EVO SSD and was only getting 42MB/s wite speeds. I used the USB-C to USB-C cable for this backup. Updated Acronis SW and same issue. Used the USB3.0 to USB-C connector on drive and I got good write speeds of 450+MB/s. So my problem was something between the USB-C to USB-C connection on my PC. Works fine with the other USB3.0 to USB-C cable.

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Samsung_94V1FUE
Constellation

Re: T5 SSD Very Slow

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Sloved. I just got same isssue with you. When I am trying to use the 3rd party usbc lines for my computer to editing, it is extremly slow like 45-50MB/S, but when I switch back to organial cables, the speed boost to 500MB/S, what a intersting story.

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Samsung_94V1FUE
Constellation

Re: T5 SSD Very Slow

JUMP TO SOLUTION

Sloved. I just got same isssue with you. When I am trying to use the 3rd party usbc lines for my computer to editing, it is extremly slow like 45-50MB/S, but when I switch back to organial cables, the speed boost to 500MB/S, what a intersting story.

Reply
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