Connect a 2.5" (laptop hard disk) SATA hard disk to Desktop PC
Solution 1
According to the standard, SATA data/power connectors are universal and there is no risk of damage if you connect a 2,5" disk to a desktop system. I have done so countless times and never had a problem. I guess if people had problems, they might have had other issues with their setup.
Solution 2
You can connect 2,5" laptop-Sata-HDDs without any risk directly into your desktop-PC - no need for any workaround using USB which will slow down the transfer.
SATA is SATA and all SATAs are compatible (at least for now - though i doubt they'll change that...)
In fact, some servers use 2,5" drives to save space...
tsg
Solution 3
If this is a temporary need, I'd recommend an external USB drive adapter.
Something like this universal drive adapter would work well.
Solution 4
If you are trying to connect your laptop HDD to your PC permanently, then you should probably connect it directly the same way as you connect your desktop HDD. No need to cut any wires.
I've tried this and it works just fine.
Solution 5
I recommend to use a USB external adapter for 2.5 HD.
But you can contact the HD manufacturer and ask to them, don't just take the risk yourself.
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Lawliet
Updated on September 17, 2022Comments
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Lawliet over 1 year
Can I connect a laptop SATA hard disk to Desktop PC? Do I have to use some adapters or I can just plug in SATA power connector and SATA data cable like my Desktop hard disk is connected?
I noticed that both laptop and desktop SATA disks use same connectors, but I'm afraid that I might fry my laptop hard disk because the SATA connector has both 12V and 5V voltage (given the fact that laptop hard disks has input voltage of 5V)
I bought a all-in-one Modex-to-SATA power adapter and SATA cable and I still don't know what to do.
I have read various forums and a lot of people are stating that it's perfectly ok, but some are scaring me that by connecting it so, it fried their hard disk. And some also mentioned cutting the yellow 12V wire if I'm planning to use Modex-to-SATA power.
Thanks in advance
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Chris S over 13 yearsCutting power wires in a computer is a BAD IDEA™
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Mircea Chirea over 13 yearsWhy use USB? That's stupid.
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Admin over 13 yearsYes I have thought of that too, but still bothers me that 5V/12V thing. How does the laptop disk "ignores" those 12V?
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joeqwerty over 13 years@iconiK: Why is it stupid? USB is a valid way to connect the drive to a desktop PC. Maybe it's not the way you would do it, but it's not stupid. Also, calling someone's answer stupid is not the way to ingratiate yourself to the members here.
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Admin over 13 years@iconiK, for performance: yes it's not the best solution, but safer to experiment with.
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Admin over 13 years@Lawliet: It 'ignores' the 12V because it's on a different pin that isn't connected to anything on the drive.
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Mircea Chirea over 13 years@joeqwerty, it's stupid as you lose a lot of the transfer speed the drive can do for no good reason; even with USB 3 there is 10% or more loss. USB is stupid for a hard-drive, especially when there's a perfectly good SATA port available.
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Mircea Chirea over 13 years@Lawliet, how is it safer? SATA is standardized, including the data and power connectors, there is no danger involved even with 1.8" drives in a desktop (though the connectors are slimmer on these and you need an adapter).
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Mircea Chirea over 13 yearsYou don't need to remove the yellow wire, if a drive doesn't need 12V it won't have the 12V line connected to anything.
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Lawliet over 13 years@iconiK I only wanted to make sure because I got mixed answers to this questions: some said "yes yes, no problem, perfectly safe" and others "DON'T DO IT, I fried my hard disk by doing so" etc, and I don't want to risk my hard disk be fried
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Joe Taylor about 12 yearsSo you ignored the answers of people who obviously know what they're talking about and reduced the functionality of your device? Way to go!