Register

Newsletter

Search

Latest News
Google Translate Now in 10 More Languages
The Blackberry Puzzle may Soon be Solved
3G iPhone is on the Way!
Xbox 360 Version GTA IV Launched Today
Next Office for Mac will Support VBA: Microsoft
AOL Intros Free IM, SMS for Mail, Messenger Users
Now Adobe Flash Player 10 in Beta
Google Starts Blurring Street View Images
"Vado" is Creative's New Pocket Camcorder
Glu Mobile Getting you Cookin!
Latest Reviews
Western Digital MyBook Studio 1 TB
Microsoft Wireless Entertainment Desktop 7000
Sennheiser CX400
Fly Hummer HT1
Gigabyte GA-EX38-DS4
User Reviews
Nokia - E51
reliance - Wimax
Samsung - NV24HD
Nokia - 6233
Auslogics - BoostSpeed 4
Latest Classifieds
NOKIA 6270 FOR SA...
Lenovo Laptop & C...
Selling PC and ga...
P4 Duel Core 3.0 ...
Seagate Hard Disk...
Latest Downloads
Tux Paint 0.9.19
Multimedia Tools
Comodo Personal Firewall Pro v3.0
Security and Privacy Tools
Autoruns for Windows
System Tools
War Rock Full Game
Games
AVG Anti-virus 8.0 Free Edition
Security and Privacy Tools
Latest Forum Posts
only 2, no T7050 mbd
have 4 slots....
Cooler Master 690 wi
th transparent s...
another thing how ma
ny ram slots you...
i have checked it ou
t there it is wr...
you can check the la
test manual for ...
Latest AskTT Posts
Is ita reality or S
CAM ?...
I am interested how
I can satrt doin...
hi, i need electroni
c components spe...
Respected sir,
I am using ta...
Usage of GPS signals
are free across...

 Basics  Hard Disks
Hitachi Deskstar 7K1000
Sudeep Naik Email Print
Jul 30, 2007
1TB, PMR, 32MB Buffer, Great performance, Silent operation.
Expensive.
Rating Click here for legend
 
   Do You Agree With This Review ?
 3Rating
 
   
 Next Page
It's been a while since Hitachi announced their efforts to develop the Perpendicular Magnetic Recording (PMR) technology for hard drives; however, Seagate beat them in the race when they launched their ST3750640AS, a 750GB HDD. At that time, it was the largest single storage disk you could find.


In a bid to one-up Seagate, Hitachi has launched their version of a PMR technology-based hard drive; the Deskstar 7K1000 series (Model: HDS721010KLA330) that has 1TB of storage space. This sure is a big development in the storage devices market and is surely the way to go but, can it match (or beat) the performance of the Seagate drive? We'll see.
The Drive

For those of us new to the term Perpendicular Magnetic Recording (PMR) technology, click here for a brief explanation.

Hitachi HDS721010KLA330 features second generation PMR-based 1TB storage with a SATA interface [3 GB/s (maximum) interface]. The drive has 5 disks rotating at 7200 RPM and uses 10 read/write heads. The buffer is 32 MB (double the size of conventional drives).


The average latency of the drive is 4.17 ms (at 7200 rpm), and it has read/write seek times of 8.5 ms and 9.2 ms, respectively.

The drive features three advanced low-power idle modes viz., active, unload, and low-power. Together, they reduce power consumption up to 20% at the drive level and optimize non-operational latency. They also help in lowering drive temperatures.

The drive features a proprietary Ramp load/unload design that increases shock protection and uses less power. Here, the disk heads (in non-operating modes) are 'unloaded' to a ramp outside the disk where they rest in a low-power 'unload idle' state till activated. In low RPM drives, this can reduce power consumption by up to 50%. Ramp load/unload provides tangible benefits for the drive.

In case you lose power during a read/write operation, the drive heads are unloaded using energy extracted from the spinning disks. This patented power-saving feature helps to reduce the probability of data going corrupt, and extends the life of the drive as well.

 Next Page

  Home | Reviews | Basics | Hard Disks



Express Your Opinion!
Comment :
Name :
City :
E-mail :
    (We email you a copy of your comment)
Word verification : Type the characters you see in the picture below.
   
 
Characters are not case-sensitive
   
(All fields essential)
 Your Comments    
Report as offensive
hi

by syed tauseef ah from bangalore on 31/07/07 10:36 AM
  
Report as offensive
Where can you get this in India?
by Prakhar from Mangalore on 04/01/08 11:50 PM
Report as offensive
Now that 1 TB drives are down to US $260, and fast falling daily-then pricing of 18.5k is predatory.

by vijayshimla from Shimla 171001 on 20/12/07 10:01 PM
  
Report as offensive
gr8 performance "'Considering the price/performance ratio and the novelty of being a 1TB drive, the premium is justified, but it will take a lot of price cuts before it becomes a more popular choice for the average consumer."' I guess which average customer needs 1000gb?? Its only for gamers.

by sidk from Ghaziabad on 02/08/07 10:47 AM
  
Report as offensive
haaaaaaaaaaaaaaaaaaaaaaa
by gow from bang on 02/08/07 12:15 PM
Report as offensive
gigantic memory...... i could fill each n evry word uttered from my mouth

by RAJEEV from BANGALORE on 01/08/07 08:45 PM
  
Report as offensive
hahahahahahahahahaha
by simba from lion king on 01/08/07 11:21 PM
Report as offensive
great!!

by muzux2 from Srinagar on 31/07/07 03:05 PM
  
Report as offensive
... hmmmmmmmmmmmmm

by ali from bangalore on 31/07/07 09:22 AM
  
Report as offensive
ho hummm....
by sachith from karuveli on 31/07/07 02:22 PM
Report as offensive
I think dat as of rite now i would b pretty happy loading my CPU wid 2 400 gigs. dey r damn cheap it'll cost me around 8.5k. email anirudh_narain@hotmail.com
by Anirudh Narain from New Delhi on 31/07/07 02:58 PM
Report as offensive
hmmmmmmmmmmmmmmmmmmmmmm

by YAMI from cHENNAI on 31/07/07 01:17 PM
  
Report as offensive
hmm

by foo from bar on 30/07/07 07:51 PM
  
Report as offensive
hmmmm
by dennie from Chennai on 31/07/07 07:44 AM
Report as offensive
hmmm....
by Anonymous from ND on 31/07/07 08:14 AM
Report as offensive
hmmmmm
by badvt from Chennai on 31/07/07 08:23 AM
Report as offensive
wtf's goin on with hmm.. Hmmm..
by fooMod from barMod on 31/07/07 10:49 AM
Report as offensive
hmmm.......
by priyadarshi from Delhi on 31/07/07 12:32 PM

email
password
 
. sign up for a newuser
. forgot password
    Most Popular
Hard Disks Reviews
Western Digital Caviar SE16 WD5000AAKS
Western Digital Scorpio WD3200BEVT
Western Digital 10EACS 1TB Hard Disk
Buffalo DriveStation 250GB External Storage
Seagate FreeAgent Pro
 News