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#1
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P6X58D Premium USB 3.0 speeds
What kind of write speeds on a 1 gig movie file
could I expect? I'm seeing about 20 MB/S to a Lexar LJDS73 16 gig stick. The strange thing is, it's the same speed on my 2.0 ports... I have updated my bios and the usb drivers to the latest. Thanks, Dave |
#2
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P6X58D Premium USB 3.0 speeds
dave wrote:
What kind of write speeds on a 1 gig movie file could I expect? I'm seeing about 20 MB/S to a Lexar LJDS73 16 gig stick. The strange thing is, it's the same speed on my 2.0 ports... I have updated my bios and the usb drivers to the latest. Thanks, Dave To calibrate bus performance, you should be using read tests. If you use write tests, the flash chip performance could be the bottleneck. Reads offer the best opportunity for heroic results. Run HDTune benchmark against your S73 and see what you get. I have an S73, and I get 35MB/sec over USB2. I have no USB3 to test with! The S73 can only go a little faster than that, over USB3. Maybe 45MB/sec reading. Test it and see. http://www.hdtune.com/files/hdtune_255.exe If you do better than I did (35MB/sec), then I'd say USB3 protocols are working for you. ******* Example: http://www.newegg.com/Product/Produc...9SIA0AT0F10582 Read Speed up to 45MB/s Write Speed up to 20MB/s There you go. You'll only be dazzled, during the HDTune read benchmark. If you see a flat line at 45MB/sec, it's all working as it should. On writes, you'll see little difference between USB2 ports and USB3 ports. Because the flash chips are the limit. Paul |
#3
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P6X58D Premium USB 3.0 speeds
Paul wrote in :
http://www.hdtune.com/files/hdtune_255.exe Thanks Paul. There doesn't seem to be any setting on HDTune to tell if it is benchmarking reads or writes. I am getting 33MB/s on usb 2 and 43MB/s on my usb 3 port. I was thinking my S73 was capable of more than that. Dave |
#4
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P6X58D Premium USB 3.0 speeds
dave wrote:
Paul wrote in : http://www.hdtune.com/files/hdtune_255.exe Thanks Paul. There doesn't seem to be any setting on HDTune to tell if it is benchmarking reads or writes. I am getting 33MB/s on usb 2 and 43MB/s on my usb 3 port. I was thinking my S73 was capable of more than that. Dave That sounds reasonable. I got 35MB/sec on USB2. The 43MB/sec number, is slightly less than the 45MB/sec promised by the advertising copy. The thing is, for the S73, the 20MB/sec writes won't strain either USB2 or USB3. So we can't really do write tests and hope to prove anything. HDTune Free does reads only. HDTune Paid Version does both read and write. The Free version is safe, as all it can do is read testing. There are some USB3 sticks out there, which go faster than the S73. A little pricey though. Not quite as thick as the first generation Patriot quad-channel ones. http://www.newegg.com/Product/Produc...9SIA1K60E52688 Capacity 64GB Read Speed Up to 200MB/s Write Speed Up to 120MB/s I got my S73 on sale and have no complaints about it. Paul |
#5
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P6X58D Premium USB 3.0 speeds
HDTune Free does reads only. HDTune Paid Version does both read and write. The Free version is safe, as all it can do is read testing. There are some USB3 sticks out there, which go faster than the S73. A little pricey though. Not quite as thick as the first generation Patriot quad-channel ones. http://www.newegg.com/Product/Produc...9SIA1K60E52688 Capacity 64GB Read Speed Up to 200MB/s Write Speed Up to 120MB/s I got my S73 on sale and have no complaints about it. Paul Ditto for me on the S73...as a matter of fact I bought 3 of them! That gave me more storage space than the 32 gig one I was looking at, for the same money. No complaints, now that I know that is the speed it's capable of. I was thinking my MB had the problem. Thanks Dave |
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