7200.7 & 7200.8

[chipy]

what are the spec differences in a hard drive that has 7200.7 and 7200.8 speeds?

chipy

 

[imported_Kensai]

7200.7 = Small drives
7200.8 = Big drives.

(Capacity wise)

 

[chipy]

wow really? i just got that 300gb seagate hd and i think it has 7200.7 rpm. i hardly consider 300gb small capacity... but who am i to say

thanks for the info
chipy

 

[twitchee2]

7200.7 older drives
7200.8 newer drives

both are great

 

[cubby1223]

Just picked up a 300gig 7200.8 drive, quieter and COOLER than the Samsung 120gig 5,400rpm drive I replaced. So :thumbsup: on the 7200.8

I've also got a 200gig 7200.7 drive, and this drive likes to click around sometimes when there hasn't been any disk activity for a minute or two. Can't explain it, that's just what it does.

 

[Algere]

Not sure but I think there's a platter size difference.

 

[DrZoidberg]

im sure 7200.7 was Seagate's SATA hd model for last year. 7200.8 came out like march or april this year, therefore newer model.

I was kinda annoyed when i bought my new comp in June this year and it came with a 7200.7 But as long as it worked no bad sectors i decided to keep it instead of exchanging at shop.

I read at Tomshardware that 7200.8 is around 6% faster than 7200.7

http://www.tomshardware.com/storage/20050317/index.html

Benchmark

 

[SrGuapo]

The 7200.8 has a 16 MB buffer compared to the 8MB of the older 7200.7 drives. This can yeild a fairly large performance difference, depending on the amount of HDD activity and the size of the files...

 

[Suspicious-Teach8788]

Originally posted by: SrGuapo
The 7200.8 has a 16 MB buffer compared to the 8MB of the older 7200.7 drives. This can yeild a fairly large performance difference, depending on the amount of HDD activity and the size of the files...

Incorrect. Seagate still uses 8MB Cache for 7200.8s. Go look at Seagate's website or read the SR or AT articles. The DiamondMax 10 uses 16mb.

7200.8 is SATA II and NCQ. It also uses 133 GB platters (only for 250 and 400gb hard drives). The rest use 100 GB platters (like the 300gb 7200.8). Performance can beat Raptors in SOME REAL LIFE TESTS. In most synthetic tests it will lose.

I would get this over a Raptor. You might as well WAIT for a next gen raptor rumored to come out in November.

 

[anarchyreigns]

Originally posted by: SrGuapo
The 7200.8 has a 16 MB buffer compared to the 8MB of the older 7200.7 drives.

It is the upcoming 7200.9 that will have a 16mb cache.

 

[DrZoidberg]

No i dont think most 7200.8 have 16MB cache, same 8MB cache.
Read my link above.
Simply its a newer Seagate model, different platter size quote "What's really new with this Seagate drive is the use of platters that can store 133 GB of data."
All 7200.8 have NCQ support, there are some 7200.7 models without NCQ.
Seagate reworked Interface so max bandwidth is 120MB/s not 84.5 MB/s on 7200.7

7200.8 is also slightly quieter than 7200.7

 

[John]

Originally posted by: DLeRium
7200.8 is SATA II and NCQ.

My 7200.8 250GB drive reports SATA Gen 1, and I see nothing on Seagate's website about it being SATA II.

 

[RichUK]

people are very mistaken thinking that SATA ll, is out now with the NCQ/TCQ what ever .. its not!

SATA 2 will bring 300Mb's bandwidth along with some other features .. and the stadard is not out yet, and anyway it doesn't matter whether you have a HDD SATA2 capable drive .. you need a chipset with a SATA2 controller on it .. and the only chipset at the moment with a SATA2 controller is the Nforce 4 !!!

 

[anarchyreigns]

You don't know what you're talking about.

 

[fstime]

It's just a newer model I think.


I heard the .8's are kind of noisey, my 7 is silent though.

 

[furballi]

Version .8 is a tad faster...perhaps 5 to 8%. Not a big deal

 

[Pariah]

7200.8 is simply a higher capacity version of the 7200.7. The 200GB and 300GB models use the same 100GB platters the 200GB 7200.7 uses. The 250GB and 400GB models use 133GB platters. There is no difference in performance for most tasks between the 2, unless you do highly randomized work, then the 7200.8 is noticably slower than the 7200.7.

There is no 300GB 7200.7. The 7200.7 series is 200GB or less, while the 7200.8 series is 200GB or more.

Also, there is no such thing as SATA II. Seagate does not recognize it as a standard and does not/will not use it in any of their marketing material.

 

[furballi]

Higher platter aerial density will translate to a small bump in performance/speed. Without the use of benchmark software, the user will not be able to differentiate between the two drives.