Dell "ultra performance" vs "mobility" SSDs?

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Thuleman

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Looking at the Dell Latitude E-series laptops one has the choice between;

64GB Dell Ultra Performance Solid State Drive
64GB Dell Mobility Solid State Drive
128GB Dell Mobility Solid State Drive

Does anyone know what exactly "ultra performance" and "mobility" means in terms of make/model? The ultra performance one adds $150 to the total, as does the 128GB mobility.

The 128GB is tempting just for the storage, but does Dell actually use a 3rd party drive, or is it some PCB with soldered on chips Dell SSD (like the slow ass Intel one that comes with the Acer Aspire One)?

It seems like the Ultra Performance drive could be a SATAII one, this one perhaps: http://accessories.us.dell.com/sna/...tail.aspx?c=us&l=en&s=biz&cs=555&sku=341-7389

While the "moblity" could be this one: http://accessories.us.dell.com/sna/...tail.aspx?c=us&l=en&s=biz&cs=555&sku=341-6042

I'll order an E4200 in the next day or two, but I'd rather get 128GB unless the performance is indeed significantly better with the 'ultra performance' kind. A pre-sales call to Dell was a total waste of time.
 
I ordered the E4200 yesterday morning from my rep and went with the Ultra Performance 64GB. From what I understand these are Samsung SLC SATA-II drives where as the mobility models are whatever MLC drive happens to be cheapest that week.

EDIT: BTW, the scheduled ship date on my E4200 is 10/15 and it looks like the waits are getting longer for some options. Don't delay too long, otherwise you might as well wait a few months until the prices drop.

EDIT #2: I'm going to stick with SLC drives as I've had far too many thumb drives, CF cards, and other MLC devices fail on me. If a 128GB SLC drive comes out next year I'll just upgrade and toss this 64GB one into the smallest external case I can find.
 
Yeah the whole 10/15 delivery date is a bit of a pita, I really need the system sooner, sucks but I may need to get a Sony TZ instead.
 
Thuleman said:
Yeah the whole 10/15 delivery date is a bit of a pita, I really need the system sooner, sucks but I may need to get a Sony TZ instead.
Click to expand...

There's a possibility it could ship sooner. I ordered an E6400 when it came out and had an estimated ship date of about a month out. It ended up getting here in a little over a week, almost three full weeks early.
 
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