Jime234 Posted August 18, 2021 Share Posted August 18, 2021 Hi, I have a 5400 rpm 500 GB laptop hdd. I tested its speed with crystal disk mark in the laptop and the speeds were about 20 mbps. But when I tested the same hdd with a usb enclosure, the speeds were about 90 mbps! how can there be such a huge difference? Am I missing some drivers or something? Link to comment Share on other sites More sharing options...
J.D Posted August 18, 2021 Share Posted August 18, 2021 Not sure what you are measuring, Disk speed or 'Transfer / Copy Speed' ? Have you reported that ^^ the correct way round ? For sure, SATA is many times faster than a USB2 or 3 port connection - maybe your AV was running or some other program . Link to comment Share on other sites More sharing options...
DLord Posted August 19, 2021 Share Posted August 19, 2021 Either you have made a mistake in speed test or something is wrong with your SATA driver/setup. As mentioned above, SATA transfer rate is way higher than any USB port protocol/connection. Link to comment Share on other sites More sharing options...
Jime234 Posted August 19, 2021 Author Share Posted August 19, 2021 17 hours ago, J.D said: Not sure what you are measuring, Disk speed or 'Transfer / Copy Speed' ? Have you reported that ^^ the correct way round ? For sure, SATA is many times faster than a USB2 or 3 port connection - maybe your AV was running or some other program . 1 hour ago, DLord said: Either you have made a mistake in speed test or something is wrong with your SATA driver/setup. As mentioned above, SATA transfer rate is way higher than any USB port protocol/connection. I used to think the same until I noticed this weird thing! I noticed it when I was copying files from the system to the usb enclosure hdd. Then I tested it with CrystalDiskMark8 as usual to make sure. How can I go wrong with my SATA setup? Is there a chance that I actually did not install a SATA driver software of some sorts? Link to comment Share on other sites More sharing options...
neofita Posted August 19, 2021 Share Posted August 19, 2021 check BIOS for HDD mode (it must be SATA and not IDE) Link to comment Share on other sites More sharing options...
J.D Posted August 19, 2021 Share Posted August 19, 2021 1 hour ago, Jime234 said: I used to think the same until I noticed this weird thing! I noticed it when I was copying files from the system to the usb enclosure hdd. Then I tested it with CrystalDiskMark8 as usual to make sure. How can I go wrong with my SATA setup? Is there a chance that I actually did not install a SATA driver software of some sorts? Quite possibly no SATA driver - how old is your laptop ? Modern laptops over the past 5-6 years use a SATA 6 gigabyte driver, before that they were SATA 3 - look in Device Manager, tick "show hidden devices" at top under view, then look down the list for 'Storage Controllers and click it - I'm assuming of course that you have an Intel CPU and if so likely to have an Intel Storage Controller driver Link to comment Share on other sites More sharing options...
Jime234 Posted August 19, 2021 Author Share Posted August 19, 2021 1 hour ago, neofita said: check BIOS for HDD mode (it must be SATA and not IDE) 39 minutes ago, J.D said: Quite possibly no SATA driver - how old is your laptop ? Modern laptops over the past 5-6 years use a SATA 6 gigabyte driver, before that they were SATA 3 - look in Device Manager, tick "show hidden devices" at top under view, then look down the list for 'Storage Controllers and click it - I'm assuming of course that you have an Intel CPU and if so likely to have an Intel Storage Controller driver alright, lemme chk Link to comment Share on other sites More sharing options...
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