Question Slow Data Transfer Speeds

Jul 18, 2022
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Hi, I've bought two pro grade v90 sd cards and their dual sd slot reader(USB 3.2 gen 2 reader) and I have a dedicated USB 3.1 and type C PCIe card
(Vantec 2-Port USB 3.1 Gen II Type-A/C PCIe Host Card). Yet I am seeing speeds of 42mb/sec. Can you please help me with this bottle neck?
 

helpstar

Polypheme
always depends on the files you transfer. Pictures or little files usually slower than video files or large files.

To check the speed use a benchmark tool like AS SSD or similar drive speed test, to have a look if there is really a bottle neck.
 
Jul 18, 2022
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Hi thank you for your reply!

Both photo and video files are transferring at the same rate and I've used crystaldiskmark to benchmark the SSD and my SD cards, the SD cards are coming out at 42mbs but they are rated for 300mbs with the minimum being 90mbs.
 
Jul 18, 2022
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The SD card and reader are from prograde. PCIe card is from vantec. SSD is from Samsung
Build is amd Ryzen 7 2700x, GTX 1080, 32gbs ram 2300mhz.
 

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