Best SLIM Portable HDD for PC

Hi, which of this models do you consider the best and why? I need to buy one to be able to carry "Temporary" files from one place to another... Not to do backups...

I use Windows XP or 7 in all my PCs...

My main interest in this is: Reliability, looks/design, slim size, (and as a PLUS, resistance to shock if that exists..., but only if that is not so much more expensive...)  500GBs seems like a good capacity for me.

If you have any other recommendation, please let me know

Seagate Slim 500 GB USB 3.0 Portable Hard Drive - Black (STCD500102)

Seagate Expansion 500 GB USB 3.0 Portable External Hard Drive STBX500100  (What is the difference between  this one and the first one also from seagate besides being less slim?

WD My Passport 1TB Portable External Hard Drive Storage USB 3.0 Black

Toshiba Canvio 500 GB Slim Portable External Hard Drive - Black (HDTD105XK3D1)

Toshiba Canvio 500 GB USB 3.0 Basics Portable Hard Drive - HDTB105XK3AA

LaCie Porsche Design P'9223 Slim USB 3.0 500GB External Hard Drive (9000304)

Are all this Drives SSD´s? or if not, how come are they so slim? what kind of drive are they?  It would be a PLUS if they are SSD because that way i have to worry less about dropping it or bumpin it...
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The same thing applies to MAC or PC's, any product is fine, so also here I'd recommend the same thing as in your other Question:

Besides, if you use a dock, you can use the same dock on the PC or the MAC, and just swap the disk with either the PC or MAC version, or you could even use the same disk provided it uses a format that both OS's understand. Fat32 and vfat should be compatible with both, MAC OS-X, and Windows (but with FAT32 you are limited to a maximum file-size of 4GB, which usually is no problem), while ntfs may need an extra utility on the MAC so it can be written to.
unrinoceronteAuthor Commented:
Thanks Rindi, i will definetely take your advice to serious consideration.

Altough, i will also would like to hear on some toughts about the models i posted above.
unrinoceronteAuthor Commented:
Hi, any other recommendations? I will be around for the next hour, hopefully i would place my order soon.  Thanks in advace
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Gary CaseRetiredCommented:
Docks are an excellent choice for using multiple drives on a system;  but not such a good choice when your main goal is portability.    I'd buy either the Seagate or WD unit you listed above ... they're both very good [the two Seagate units are almost identical ... I suspect they're just made in different facilities ... the model #s are very close as well].

NONE of the drives you listed are SSDs.    They're small because they all use 2.5" laptop drives.

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Gary CaseRetiredCommented:
Note:  If you DO want to use an SSD, just buy this gadget [ ]
and an SSD of your choice.

All you'll need to carry with you is the SSD and the cable from that gadget [you won't need the power adapter and power cables]

i.e. you just need to carry this:

SATA to USB Connector
unrinoceronteAuthor Commented:
So at the end i decided not to buy this drive since i was already spending too much money in other big external drives i orderered and some other things i purchased..

Nonetheless i will buy this portable drive perhaps in a couple of months or so, and i think i will go for the SEAGATE SLIM 500GB, since it has the desing that i like the most, it is the slimmest of all, and has a good price.

Garycase, additional thanks to you for your comment stating thhat these small portable external Drives are not SSDs...
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