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Computer Repair Tips: What to Look For in a Replacement Hard Drive

If you need to replace or upgrade your hardconnectors but can only run device per
drive are some tips you need to know beforeconnector but at a much faster speed.
you  break  out  your  wallet...Speaking  of  which...
Your hard drive is fading into the West. You"I  feel  the  need  for  speed!"
hear all manner of grinding sounds coming
from it and it's working slower than anThe first thing you should find out when
accountant doing an audit. So you grab yourlooking at a new hard drive is its rotational
wallet and bounce down to the localspeed or RPMs (revolutions per minute). The
electronics  store  to  find  a  replacement.higher the RPM rating a drive has, the faster
it will work when in operation. Speed =
Whoa! You get inside and are dazzled andbetter performance for both the Windows
dazed by the sheer number of hard disks...youoperating system and other software programs.
didn't  think  it  would  be  this difficult.The average RPM for a hard drive is either
5400  or  7200.
All you want is something affordable and
reliable  but  where  to  start?Seek Times. Occasionally you may hear some
big time technical person mention the "seek
Performance  vs.  Capacitytimes" for a drive. Seek times are measured
in milliseconds and are basically a gauge of
When you are out shopping for a new drivehow rapidly a software program can locate the
these are the two main factors you shoulddata  it  requires  on  a  given  hard drive.
take into consideration. Performance is based
on a computer's drive controllers (connectorAccess times and seek times for our purposes
types), the rotational speed and access timesare the same. Most modern home computers have
of  the  drive  itself.a seek time of about 8ms. So a new drive with
a  seek time of 9ms is considered a bit slow.
Capacity is basically a question of storage
space and whether or not your current systemSo when looking at speed find the highest RPM
can  recognize  and  handle  it  or  not.matched with the lowest or average seek time.
Know  your  connector  typeBigger  is  Better?
Modern computers can have several differentThe next thing you should look at is a
styles of controller interfaces (connectordevice's size or storage space. You ideally
types) and this will greatly determine whatshould get as big of a drive as you can
kind  of drive you can fix into your machine.afford. Hard drive capacity is measured in
"megabytes" (million byte size: very old
The current standard is the IDE or ATA drive.drives), "gigabytes" (billion byte size:
ATA drives can have ATA/66, ATA/100 or ATAcurrent drives), and the very newest are
133 connections. Every ATA slot can operate 2"terabyte" drives (trillion byte size). Like
separate devices (2 hard drives, 1 drive/CDin a house, you can never have "too much"
or  CD/DVD).storage  room!
The newest drives have SATA (Serial ATA)So now you know to get a drive with...



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