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PostPosted: Tue Nov 19, 2019 4:01 am 
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Thank you for your replies Angle and Bill,

Interesting information and thoughts, especially like the thinking lightning was not made with the idea of supporting drives at the time.
Odd that one camera powered adapter in the shop worked with all the drives, the others had issues reading or even seeing the drive’s.
Ps no the Apple shop would not allow me to take there own personal powered camera adapter, only offered to exchange for another.
4 adapters in decided time more important- hence went SD none powered card reader.

Thank you for posting the information Bill about the Rav unit, appears more of a media streamer device and appreciate your honest reviews and information.
Must have a bottle neck once WAN is enabled even if not in use.

Do you Angle and Bill have an SD card reader ?
I just like to run some speed tests and post on a new page, if I post my results I like to be able to measure these against other SD card tablet users.

Ps Rav did reply about my question speed transfer and the reply a typical depends upon set up.
So now Bill I have a real life users with results. Thank you.

Odd tech manufacturers do not give an average speed on devices, where as SD cards all have stamped on the box read write abilities of there cards.

Regards Rob

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PostPosted: Tue Nov 19, 2019 9:34 am 
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Quote:
Do you Angle and Bill have an SD card reader ?
Since iPadOS supports flash drives now I no longer use SD cards. Speed of our flash drive is 440 MB/s.


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PostPosted: Thu Nov 21, 2019 4:38 am 
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Hello AngelArs,

Thats great you still have a SD card reader, maybe do a test if you feel up to it ?

I would be grateful if you can support "Speed of our flash drive is 440 MB/s."
is this something written on the tin, or did you write a file to a flash drive from iPad ? and gain 440 MB/s?

Megabits and MegaBytes
1 megabyte equals 8 megabits

Regards Rob

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Life is for now and not tomorrow.
Live your dreams, rather than dream about your dreams.

Rob Chisholm


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PostPosted: Fri Nov 22, 2019 8:26 pm 
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I would be grateful if you can support "Speed of our flash drive is 440 MB/s."
Have never tested but it can copy a 4K movie in around 30-40 seconds.

If speed is all you care about then look into the new USB 3.2 drives. They are the newest and fastest ports. They utilize SuperSpeed+ data modes, and the 3.1 port can hit 1,250 MB/s or 10 Gbit/s and even 20 Gbit/s under optimum conditions.

https://www.usb.org/superspeed-usb


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PostPosted: Sat Nov 23, 2019 3:39 am 
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Thank you for the reply AngelArs,

I think you are missing the point I am making/asking.

I am interested in, can your iPad substain the written speeds you quote.
Without a test no data relevent here, it is just what is written on the tin.
In this case the 440 MB/s is not what the iPad can write to this disk unless you try and share information.

I doubt the iPad could write at this speed, prove me wrong :)
I am interested in an increase of speed write, but nothing more than a write read speed of 80 megs.
I have not found anything in OS IOS for iPad that can do anything near this speed.

Quote by Apple iPad Pro lightning port 12.9 = USB 3 speed.
Rob says no it is not, read yes, write no way maybe 6.7 megs at a push.

The link you provided thank you, issues are how to connect these to a iPad Pro environment and achieve these speeds that they quote.
Or if I can only obtain a max write speed for an iPad Pro it would be ?

That is the sort of data I am after, bit like my car does 70 miles to the gallon, well that is what the man in shop who sold the car to me said.

Here is another example of WD my Cloud with a USB 64 Gig plugged into the back of the WD drive.
See the time for data transfer and the size. (no iPad is involved just laptop and WD)


Regards Rob


Attachments:
WD JOKER.png
WD JOKER.png [ 29.97 KiB | Viewed 588 times ]

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Life is for now and not tomorrow.
Live your dreams, rather than dream about your dreams.

Rob Chisholm
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