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SATA copy / clone speeds slow.

Len Averyt
Go to solution Solved by Radium_Angel,
11 minutes ago, Len Averyt said:

transfer speed from SATA is 35 - 56mbps give or take. going to take 5 hours to clone a 2TB drive that is only 55% full...Uggh

That's according to windows, which is based on the current size of the file being transferred. It's almost never accurate.

I have a 2TB drive that I need to clone to a new drive, its my D: drive but its my main mechanical drive. My C: drive is a 512gb SSD.

C: and D: are on SATA6 ports, all other drives are on SATA3 ports
I have started the transfer from D: to my J: drive which is on SATA3 ports. SATA to SATA transfer.

Windows 10, Standard edition. 16Gb ram DDR3 , Core I5-2400, 3.10GHz, Asus P8Z68-V LE Motherboard, 

Older system yes but still fast enough for what I do, no gaming on new titles.

The transfer speed from SATA is 35 - 56mbps give or take. going to take 5 hours to clone a 2TB drive that is only 55% full...Uggh

Shouldn't it be way faster?

Even SATA3gbps buss should do better than this?

CPU and memory load is low.

Under Task Manager, CPU around 19%, RAM is 29%, Disk 15%, Network 0%, GPU 8%

What might be the problem?
Thanks for any help or ideas.

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11 minutes ago, Len Averyt said:

transfer speed from SATA is 35 - 56mbps give or take. going to take 5 hours to clone a 2TB drive that is only 55% full...Uggh

That's according to windows, which is based on the current size of the file being transferred. It's almost never accurate.

NOTE: I no longer frequent this site. If you really need help, PM/DM me and my e.mail will alert me. 

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Problem is you are copying a ton of small files... 1 huge file would for sure have higher transfer speed. Cloning copies everything, including temporary files and trash you forgot to delete.

I would use a third party copy manager like TeraCopy and only copy the files I really need.

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16 minutes ago, Len Averyt said:

The transfer speed from SATA is 35 - 56mbps give or take. going to take 5 hours to clone a 2TB drive that is only 55% full...Uggh

If it's a bunch of small files (as tends to be the norm), there's more overhead/latency in the process than if it were large files. For each file, Windows (NTFS, technically) needs to create a record containing location, size, name, etc., then copy the actual data into the given HDD space (usually far away from where the metadata is stored).

 

If you're actually cloning (streaming the information, borrowing the file layout from the original drive), you might just be running into the HDD performance cap.

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for me cloning about 80-100 GB takes roughly 10 minutes with macrium. 

 

what do you use to clone? 

The direction tells you... the direction

-Scott Manley, 2021

 

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3 hours ago, Mark Kaine said:

for me cloning about 80-100 GB takes roughly 10 minutes with macrium. 

 

what do you use to clone? 

I use HDClone by Miray. 

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4 hours ago, RageTester said:

Problem is you are copying a ton of small files... 1 huge file would for sure have higher transfer speed. Cloning copies everything, including temporary files and trash you forgot to delete.

I would use a third party copy manager like TeraCopy and only copy the files I really need.

I use HDClone by Miray and this drive has system and program files on it

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3 hours ago, Mark Kaine said:

for me cloning about 80-100 GB takes roughly 10 minutes with macrium. 

 

what do you use to clone? 

I have 580gb to clone, my documents, system and program files. I use the SSD basically just for the OS and the programs I need to load and run fast.

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  • 2 weeks later...

I ended up installing a Hot swap bay that allows me to plug in the drives directly into the Mother board and at least get SATA 3 speed clone and transfer.

My 2 SATA 6 ports are used for my boot SSD and my main mechanical storage which left 4, SATA 3 ports.

 

 

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