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ADATA DashDrive Air AE400 Wireless Storage E-mail
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Written by Hank Tolman   
Thursday, 14 March 2013
Table of Contents: Page Index
ADATA DashDrive Air AE400 Wireless Storage
Mobile Device Charging
Data Transfer and Media Streaming
Wireless Hotspot
Testing and Results
Final Thoughts and Conclusion

Testing & Results

Testing Methodology

To test the ADATA DashDrive Air AE400, I wanted to look for a few results. First, I wanted to see how fast the data would transfer wirelessly from the DashDrive Air to a mobile device compared to how fast the data would transfer normally through a card reader. To do this, I used ATTO disk benchmark to compare the speeds. Second, I wanted to see what kind of bandwidth the ADATA DashDrive Air AE400 would provide as a wireless hotspot. I used on my phone and laptop to compare the speeds. Finally, to test the charging capacity of the AE400, I charged phones. Big surprise there.


First up, let's check out the results from ATTO. This first chart represents my laptop reading from a standard SD card through the built-in SD card reader. Both the read and write max out just over 15 MB/s.


The next chart shows read and write speeds with the SD card connected through the DashDrive Air AE400's wireless network. The speeds are frighteningly close. I am quite impressed.


Running SpeedTest by Ookla I was able to determine any difference in bandwidth when using the AE400 as a mobile hotspot. This was a little difficult, as I ran into an error. I'll talk about that a little later, but to give a little background, I used my phone connected to a Cisco router, which was connected to my internet through a Linksys router. The two routers are both 802.11n and were connected via a Cat6 LAN cable. When testing, I was sitting within about a foot of both the router and the ADATA DashDrive Air AE400. The first image is of my phone connected through the Cisco router.


In this screenshot, my phone was connected to the wireless hotspot created by the ADATA DashDrive Air AE400, which was connected through the Cisco router. The loss in bandwidth isn't unexpected, but it does drop by about 40%.


Just for comparison, this is a speed test from my laptop in the same room, connected wirelessly to the Linksys router.


Finally, I tested the charging capability of the ADATA DashDrive Air AE400. After fully charging my Nexus S 4G (technically from 3%), I hooked it up to my work cell, a Verizon G'Zone commando android smartphone. It fully charged the G'Zone and when it was done, the indicator on the AE400 was orange. That means the DashDrive Air was between 25% and 50% charged. Since it still had some juice, I hooked up my wife's iPhone 4S, which as at 27%. The DashDrive Air fully charged the iPhone and finally, the indicator showed up red. I'm not sure exactly how much juice was left, but after charging three phones, it wasn't dead yet.

I have to say, I'm pretty impressed. The Nexus S 4G has a 1500 mAh battery, the G'Zone Commando has a 1460 mAh battery, and the iPhone 4S has a 1432 mAh battery. The DashDrive Air AE400 charged all three and still had some juice left. Based on that, I'd say ADATA was being pretty conservative with their estimates of charging the iPhone twice.



# wireless hotspot featuredarren 2013-03-25 01:53
For me the reason I think the hotspot feature is important is that it would mean if I am connected to the AE400 my tablet would have no internet. So if I have to connect to the AE400 to stream media etc and have internet at the same time then the hotspot feature is a must!
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# Good pointHank 2013-03-26 14:24
Darren, that's an excellent point. I can see how that would be very desirable in such a case.
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# AwesomeNiels 2013-04-03 05:48
When writing data to the device (through mobile) do I need to use the app
or can I use FTP (or Samba) ?

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# RE: AwesomeHank 2013-05-01 05:01
Sorry Niels,

I haven't tried transferring data over FTP or Samba, so I don't know if they would even recognize the device as storage. The phone doesn't act like it's connected to a system when connected to the AE400, so I'd be skeptical.
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# WebDAVRich 2013-06-06 03:18
Hi Niels, did you ever discover whether it's possible to connect via WebDAV or other means, to allow other apps to access the device? The supplied app compresses photo files and strips metadata when copying to iPhone, I want to connect through a photo syncing app to retain the full quality of photos from my dslr, for backup/upload, when out and about with my iPhone...
Thanks, Rich
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# Ethernet to wifi?Paal Joachim 2013-04-15 04:54

I plan on holding a course in a room that does not have wifi but it has ethernet. Is it possible to plugin in the ethernet cable into this device and create a wifi hotspot this way? So that the students still have wifi through this box.
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# No Ethernet PortHank 2013-05-01 04:59

The AE400 doesn't have an ethernet port, so you wouldn't be able to hook it to a wired connection.
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# RE: No Ethernet PortNiels 2013-05-02 00:01
Use this one
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