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Low Transfer Speed Troubleshooting

ShadowWolf810
By ShadowWolf810
in Storage Devices
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So I've been trying to diagnose this for awhile... The problem is my home PCs transfer speeds. USB 3 drives get about 20 MB/s transferring files here, and on a Mac at school the same drive gets about 70 MB/s with the same connecting wire and same test software. ATTO and Black Magic Disk Speed Test

 

At home I have an X99 PC. And between an internal card reader, case headers, USB 3.1 PCIe card and the motherboard's USBs itself, there are a lot of USB ports and devices plugged in. After doing a bunch of tests the transfer speeds seem to be the same no matter where I plug the drive in. So originally I thought it was a bandwidth problem. So I unplugged every USB device, card, etc, so that the only things connected were keyboard and mouse, and the drive I was testing, but this didn't increase speed any.  

 

So I figured maybe its a power delivery issue and the drives aren't able to spin fast enough? Any ideas how I'd go about fixing that, or any other thoughts? 

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