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Slow File Transfer Speed Bottlenecks


TrekRover

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Hi everyone, I am encountering file transfer speed bottlenecks and was hoping if anyone has a way to speed up transfer speeds?

Hardware I am using:

  • Asus Zenbook Duo UX8406 (2 x Thunderbolt 4 ports (40Gbps))
  • SanDisk Professional Blade Transport with 4 TB (20 Gbps)
  • Sony CF Express Type A Reader Model: MRW-G2 (10 Gbps USB 3.2 Gen 2)
  • Angel Bird 1 TB CF Express Type A (R: 820 MB/s W: 730 MB/s)
  • Cables: 1 x Thunderbolt 4 @ 40Gbps capability and 1 x SanDisk USB-C 20 Gbps cable

My assumptions is that the bottleneck should be at 820 MB/s (6.5 Gbps) because of the memory card being the slowest link...

However, I am only reaching 45 - 50 MB/s transfer speed on Windows 11 when I copy 1 TB (several thousand files) from the CF Express Type A 1 TB card to the San Disk 4TB

Any advice on how I can speed up the transfer speed would be much appreciated!

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Hey Trek, all the specs for transfer speeds are “up to”, never the average. The memory card and card readers are a combo bottle neck. There is always the quality of any tool and you can know it until you test it.

You cannot speed up what you have, but you can replace them with faster equipment. An alternative that I would suggest, is to directly transfer from camera to computer via cable.

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On 7/9/2024 at 11:33 PM, TrekRover said:

Hi everyone, I am encountering file transfer speed bottlenecks and was hoping if anyone has a way to speed up transfer speeds?

Hardware I am using:

  • Asus Zenbook Duo UX8406 (2 x Thunderbolt 4 ports (40Gbps))
  • SanDisk Professional Blade Transport with 4 TB (20 Gbps)
  • Sony CF Express Type A Reader Model: MRW-G2 (10 Gbps USB 3.2 Gen 2)
  • Angel Bird 1 TB CF Express Type A (R: 820 MB/s W: 730 MB/s)
  • Cables: 1 x Thunderbolt 4 @ 40Gbps capability and 1 x SanDisk USB-C 20 Gbps cable

My assumptions is that the bottleneck should be at 820 MB/s (6.5 Gbps) because of the memory card being the slowest link...

However, I am only reaching 45 - 50 MB/s transfer speed on Windows 11 when I copy 1 TB (several thousand files) from the CF Express Type A 1 TB card to the San Disk 4TB

Any advice on how I can speed up the transfer speed would be much appreciated!

Hey Trek, how are you doing?
I was experiencing something similar so I decided to buy a Lexar card reader. Best thing I did in years. The model is Lexar Professional Multi-Card 3-in-1 USB 3.1 LRW500URBAMZN.
I mean, I transfer 128gb in seconds.
Hope this helps.

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