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What to look for when buying a pen drive?

  1. #1
    Bronze Member Outlander's Avatar
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    Default What to look for when buying a pen drive?

    I want to install the OS onto the pen drive so that I can carry it around, and boot the computer from it, and this should effectively kill keyloggers, as I won't be running the OS from the computer's hard disk which might be infected (in a cyber cafe for example).

    At present, I don't have any pen drive. What I'd like to know is what all stuff you have to look for when you are buying a pen drive. Is there a limited number of times you can read / write to a pen drive?

    Second, if there is malware in a computer, and you do not boot from the pen drive but just connect it to an already running computer, will the pen drive immediately get infected or is there some sort of protection so that nothing can be written to the pen drive without permission?

    And there are external hard disks available these days; anyone on the forum has any? What do they cost and would they be a better option given the need to install an OS? I just want to install the OS and antivirus, and check mails, that's all - not download stuff and all.

    Thanks.

  2. #2
    newprouser
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    1. Booting from pendrive :

    Installing and booting OS from pen drive is OK for ocassional system recovery or emergency but not for use in cyber cafe coz( assuming u hav linux/ Windows PE)

    Becoz n/w settings have to configured everytime u run the os and it may differ from one shop to another.

    Usually owners will not agree to this coz they have softwares which enforce time restrictions.


    IF you run Win PE as your OS u can have traditonal antivirus s/w or other portable av's.

    If you run linux from pen drive you don't have any issues with viruses.

    2. Choosing a pendrive :

    You are looking for a pen drive which has good read/ write speed. Another important factor is the durablity of the casing which determines how carefullt you have to handle it.

    Yes, all kinds of flash memory have limited read/write cycles but the life of pen drives can be over 5 yrs based on moderate usage.

    Quote Originally Posted by HydraHeaded View Post
    Second, if there is malware in a computer, and you do not boot from the pen drive but just connect it to an already running computer, will the pen drive immediately get infected or is there some sort of protection so that nothing can be written to the pen drive without permission?
    Either install linux or look for a pen drive which has write protect latch (costly & rare).

    3. External disk ?

    For your purpose a pend drive will do..
    Last edited by newprouser; 13th January 2009 at 03:23 PM. Reason: Automerged Doublepost

  3. #3
    Bronze Member Outlander's Avatar
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    Thanks. By the way, suppose you don't boot from the pen drive, but go to a cyber cafe and plug it in and open a portable browser from the pen drive, and that browser has your username and password saved in itself, then no keyloggers on the cyber cafe computer would detect anything, isn't it?

  4. #4
    newprouser
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    Quote Originally Posted by HydraHeaded View Post
    Thanks. By the way, suppose you don't boot from the pen drive, but go to a cyber cafe and plug it in and open a portable browser from the pen drive, and that browser has your username and password saved in itself, then no keyloggers on the cyber cafe computer would detect anything, isn't it?
    Ya thats true...

  5. #5
    Platinum Member amitkool21's Avatar
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    be sure to buy an original Pen Drive with the bill bcoz my brother got a PD of 32 GB without a bill and it have no serial no. and nothing on it.....and now he cant claim for it........so plz by a geniune one.....my preference is of Kingeston.....

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    Go for high read and write speeds...u are booting an os from it...i recommend the ducati series from transcemd..crazy transfer speeds too!

  7. #7
    newprouser
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    Quote Originally Posted by amitkool21 View Post
    be sure to buy an original Pen Drive with the bill bcoz my brother got a PD of 32 GB without a bill and it have no serial no. and nothing on it.....and now he cant claim for it........so plz by a geniune one.....my preference is of Kingeston.....
    Mine too. But as far as I know most of them have slower transfer rates, but good durablity. And the ones by transcend are exact opposite

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    generally pds with 8gb or more have good speeds (above 20mBps).
    there are also verisons of xp and vista that can be carried on a pd.

  9. #9
    ShAdOwCoN
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    Quote Originally Posted by HydraHeaded View Post
    Second, if there is malware in a computer, and you do not boot from the pen drive but just connect it to an already running computer, will the pen drive immediately get infected or is there some sort of protection so that nothing can be written to the pen drive without permission?

    And there are external hard disks available these days; anyone on the forum has any? What do they cost and would they be a better option given the need to install an OS? I just want to install the OS and antivirus, and check mails, that's all - not download stuff and all.

    Thanks.
    Yes if you connect to a computer with malware in it , it ll be transferred to your pen drive . Pen Drives are notorious at spreading malwares .

    Make a habit of scanning your pen drive with an anti-virus right after u plug it in ........

    Yeah i use an External HDD ...But for your needs i feel a pen drive will serve your purpose .... Pen drives are more economical in the sense that You can get [standard] pen drives for as low as Rs500 or lesser [4GB] ....You can never get any hard drives for that cost .

    I recommend

    Transcend
    Kingston
    as far as flash memories are considered they are the leaders of the pack

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    cumon guys!! 8gb kingston's available for 450!!!
    160gb external wd hd for 2700.

  11. #11
    ShAdOwCoN
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    o_O where in the devil do you get it for that dirt cheap of a price...i mean shop ?

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    you wont believe how prices of pds fall.when i bought my first 2gb pd,it cost me 700!! now for 700 u could get 16gig pd.

  13. #13
    ShAdOwCoN
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    DID u buy it from Nehru Palace ??

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    sorry!
    i meant 250gb.160 gb is around 2100.

    ha from np.
    even dc in janakpuri and wazirpur have such wolesale markets.wazirpur is the best after np.
    Last edited by ag_prasun; 21st January 2009 at 11:52 PM. Reason: Automerged Doublepost

  15. #15
    Platinum Member amitkool21's Avatar
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    u r talkin bout the DC in janakpuri near the uttam nagar metro station........i never heard bout any wholesale market at this place........nd no idea for wazirpur

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    i have never seen anything there either.i have heard that computer accessories are pretty cheap there.

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    wazirpur is also pretty much lyk np.lots of shops.so naturally more competition and lower prices.

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    if u have seen np,you wont like wazirpur.np is like the heaven for every computer-junkie!!

  19. #19
    Platinum Member amitkool21's Avatar
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    Quote Originally Posted by ag_prasun View Post
    if u have seen np,you wont like wazirpur.np is like the heaven for every computer-junkie!!
    ya i also think so but whats the big deal just to check over there.........

    hello now dear lets stop our discussion here coz we r going too much offtopic............we'll talk bout it on some other time on our messengers.........

  20. #20
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    yeah u r ryt!
    pm me where u r from in delhi.

  21. #21
    Platinum Member panchabhut's Avatar
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    One feature of Vista is that it allows some of the removable media to fuction as addl. RAM
    so if you are using Vista, then also check if the pen drive can support such functions. Would be a great asset to boost RAM for any specific memory hungry application.

    Of course this would reduce the life of the pen drive to certain extent. But by the time u would have every higher capacity drives. I remember I bought my first 128 MB pendrive for Rs. 1800 in 2004. Now for that u may even get a 32 GB one.

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    Quote Originally Posted by panchabhut View Post
    One feature of Vista is that it allows some of the removable media to fuction as addl. RAM
    so if you are using Vista, then also check if the pen drive can support such functions. Would be a great asset to boost RAM for any specific memory hungry application.
    Ya its called Ready Boost.But only some drives support it.

    For me..speed matters the most.
    All the drives I've used from different manufacturers have been quite reliable in terms of data stability.
    Looks are not important obviously, I don't even mind the cap if its fast.

  23. #23
    Platinum Member amitkool21's Avatar
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    Quote Originally Posted by powerdoc View Post
    Ya its called Ready Boost.But only some drives support it.

    For me..speed matters the most.
    All the drives I've used from different manufacturers have been quite reliable in terms of data stability.
    Looks are not important obviously, I don't even mind the cap if its fast.
    what was that raedy boost thing never heard bout that can anyone provide dome more info......i was planning to install the vista ultimate.......

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    Quote Originally Posted by amitkool21 View Post
    what was that raedy boost thing never heard bout that can anyone provide dome more info......i was planning to install the vista ultimate.......
    All the info you'll need
    hxxp://en.wikipedia.org/wiki/Ready_boost

    Cost wise...
    Kingston < Transcend < San Disk < Corsair

  25. #25
    Platinum Member amitkool21's Avatar
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    Quote Originally Posted by powerdoc View Post
    Cost wise...
    Kingston < Transcend < San Disk < Corsair
    i found transcend and san disk are lesser than kingston in delhi,mumbai and in jaipur.......i tried in all these 3 cities....

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    Then you must be looking at some older/slower data transfer models.
    These prices are the latest from amazon for a 16 gb usb drive.

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    here the prices are cheapest for kingston pds.
    4gb-300rs
    8gb-450rs
    16gb-750rs.
    these are the best deal pricess available at local market.all for kingston pds.

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    Quote Originally Posted by ag_prasun View Post
    cumon guys!! 8gb kingston's available for 450!!!
    160gb external wd hd for 2700.
    DUDE! help! 1TB external hd full!!!need Space wuick

  29. #29
    Platinum Member amitkool21's Avatar
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    Quote Originally Posted by ag_prasun View Post
    here the prices are cheapest for kingston pds.
    8gb-450rs
    16gb-750rs.
    these are the best deal pricess available at local market.all for kingston pds.
    r u kidding brother coz i just searched the whole market in delhi nd in jaipur but wont found kingston PD less than 700 Rs......finally i bought one frpm jaipur raisar plaza......can u plz mention few places where u found these rates coz i tried for rates on 23rd of this january..........

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    Quote Originally Posted by ag_prasun View Post
    here the prices are cheapest for kingston pds.
    4gb-300rs
    8gb-450rs
    16gb-750rs.
    these are the best deal pricess available at local market.all for kingston pds.
    Yeah these prices don't seem right.
    8 gb pen drive is around 800-850 & 16 gb is like 1400-1500 rs in Mumbai.

  31. #31
    rajan1311
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    Quote Originally Posted by amitkool21 View Post
    what was that raedy boost thing never heard bout that can anyone provide dome more info......i was planning to install the vista ultimate.......
    If u have more than 2GB RAM or more, u will see no difference.
    If u got less, it may help a bit.

    Here is a review on ready boosting:
    Are you Ready for Windows Vista? :: Articles :: www.hardwarezone.comŽ
    Last edited by rajan1311; 25th January 2009 at 11:14 AM. Reason: Automerged Doublepost

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    4 points to be kept in mind.

    1. a branded pendrive

    2. is replacable cuz many people tend to remove the drives without terminating the remove hardware window and the drive gets fucked up.


    4. as soon as u buy 1 check that it actually has the space that u paid for....example a 4gb drive has a capacity of 3.76~ gb.. and drives with higher capacities can sometimes cant hold data to their maximum capacity.they are simply formatted wid softwares which tend to show like 16gb and can actually hold not more than 8gb...

    AND LAST BUT NOT THE LEAST>>>


    where's 3??

  33. #33
    rajan1311
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    ya 1 more thing to look out 4.
    The cap, preferably should have a design in which it does not come off and get lost.

    Quote Originally Posted by manyudada View Post
    4 points to be kept in mind.

    4. as soon as u buy 1 check that it actually has the space that u paid for....example a 4gb drive has a capacity of 3.76~ gb.. and drives with higher capacities can sometimes cant hold data to their maximum capacity.they are simply formatted wid softwares which tend to show like 16gb and can actually hold not more than 8gb...

    AND LAST BUT NOT THE LEAST>>>


    where's 3??
    what ???? 4GB pen drives show 3.76GB etc bcos there is some space used up for formating the drive. So bigger the capacity, bigger the loss.
    Also, i think ur confused. Some 8+GB pen drives cant Hold more that 4GB files.
    Thats bcos of the format of the pen drive. If ur pen drive/Hard disk is in FAT32 file system, the max file size that can be stored is 4GB, any larger file u will get a drive full error. My 8GB pendrive is formated in FAT32 and i can not change it to NTFS. But on my Hard disk(external) i had the option of changing so i had changed it to NTFS. Warning: Re-formating will lose u some more space.
    Last edited by rajan1311; 25th January 2009 at 12:46 PM. Reason: Automerged Doublepost

  34. #34
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    Quote Originally Posted by rajan1311 View Post
    4GB pen drives show 3.76GB etc bcos there is some space used up for formating the drive. So bigger the capacity, bigger the loss.
    Actually its because the computer uses a binary system to read data whereas manufacturers of hard drives etc use the decimal system.

    Read this article for more info

    hxxp://en.wikipedia.org/wiki/Gigabyte

  35. #35
    Platinum Member panchabhut's Avatar
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    Exactly.
    According to manufacturers 4 GB = 4 x 1000 x 1000 kB i.e. 4,000,000 kB
    for computer its 4,000,000 / 1024 / 1024 = 3.81 GB. and some part of it is lost in formatting.

  36. #36
    Platinum Member amitkool21's Avatar
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    Quote Originally Posted by panchabhut View Post
    Exactly.
    According to manufacturers 4 GB = 4 x 1000 x 1000 kB i.e. 4,000,000 kB
    for computer its 4,000,000 / 1024 / 1024 = 3.81 GB. and some part of it is lost in formatting.
    where u read that 4 GB = 4 x 1000 x 1000 kB
    i guess it was 4 GB = 4 x 1024 x 1024 kB i.e. 4194304kb

    coz the standard unit is 1gb = 1024mb ,,, 1mb = 1024kb

  37. #37
    Platinum Member panchabhut's Avatar
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    Absolutely. Thats why it never shows 4 GB on the PC.

    But, as powerdoc rightly stated, the manufacturers measure in decimal system only. So they make a 4,000,000 kB PD and sell u saying its 4 GB.

    Take them to court, if u can.............

  38. #38
    rajan1311
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    ^ lol if u were in the US, may be u could.

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