Precision ON Reader vs. Precision ON Flash on Dell laptop

configuring a laptop on Dell, an M4500.

What is, and what is the difference between "Precision ON Reader" (which is included in the price) and "Precision ON Flash" (which is $49)

Anyone here know? I can't find it on their site.

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I found this quote on the 'Net:

"In addition to the M6500, the M4500 provides near instant access to email, calendar, contacts, the Internet and virtual remote desktops with a new revolutionary technology called Dell Precision ON."

and this:

"The M4500 is also the first notebook available for Dell’s new instant-on application. Dubbed Dell Precision On, it provides users near instant access to email, calender, contact, and even the internet and virtual remote desktops. Think of it as a business-oriented splash launch screen like what’s found on most netbooks and consumer notebooks these days."

There was no other explanation.

I suspect the plain version uses the hard drive and the flash version, well, uses a small flash memory.

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I was just looking for clarification on this as well and found something that might be helpful.  The excerpt is:

"Also included are Dell Precision ON technology. Precision ON Reader offers a quick look at email or calendar apps, without powering up the operating system, while Precision ON Flash — focusing more on security than quick convenience — lets users, over Wi-Fi or mobile broadband, connect to the enterprise backend without connecting to the operating system (OS)."
(Taken from:

Hope this helps others as I was extremely confused until now as well.
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