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WD64000 Transfer Speeds

Your latency is very high, mine scores 11ms.

Try adjusting the acoustic management on the drive using hitachi's drive tools.
 
What motherboard are you running? I just replaced 2 150GB raptors in raid 0 with 2 6400AAKS's in raid 0 and I am more than impressed! In Matrix raid 0 I'm getting around 11ms seek time and 196MB avg read. They really do load games a bit quicker than the raptors I had. I wish I could justify getting a couple of velociraptors 🙂
 
If write back caching is "Enable write caching on the disk" then yes, I do have it checked. I'll look into that acoustic management thing.

I'm using a Gigabyte P35-DS3L mobo.

Thanks
 
Try defragmenting the drive, and enable "advanced performance" if you are on vista. I just got the drive a couple days ago, and before defraging it was really slow, well it booted slowly, but after a nice and long defrag its really responsive.
 
Originally posted by: St0ry
If write back caching is "Enable write caching on the disk" then yes, I do have it checked. I'll look into that acoustic management thing.

I'm using a Gigabyte P35-DS3L mobo.

Thanks
Click to expand...

I think that just enables the built in cache on the drive.

Write back caching actually uses your RAM in addition to the drives cache, for caching.

Make sure advanced performance is enabled. I'd really recommend having a battery backup though if you do.
 
Actually those numbers are in line with my new WD6400AAKS. I have 2 of them and the first one I bought is 12ms while this second one is 15-16 ms. I just got the other drive formatted and tested just as I did with the first.

I thought it was something on my end but now that I see this thread it makes me wonder if WD changed something.
 
Originally posted by: deepinya
Actually those numbers are in line with my new WD6400AAKS. I have 2 of them and the first one I bought is 12ms while this second one is 15-16 ms. I just got the other drive formatted and tested just as I did with the first.

I thought it was something on my end but now that I see this thread it makes me wonder if WD changed something.
Click to expand...

Dang it that's never good, maybe using new firmware, or maybe they decided to use some cheaper parts to reduce costs. Probably because people thought these were just as good as their Raptors.
 
So the Hitachi acoustic management tool works on WD drives? To turn it off I mean since WD doesn't have one.
 
Originally posted by: GrumpyMan
So the Hitachi acoustic management tool works on WD drives? To turn it off I mean since WD doesn't have one.
Click to expand...

Yes it works. The thing is though, my drive came with acoustic management set for lowest performance. If you just turn it off, the drive will stay at that setting. So instead of just turning it off, set the drive for highest performance, then turn it off.

Access times went from 16ms, to 11ms when I made that change.
 
Are there any negative effects of changing the acoustic management to a different setting? Does it put more wear on the drive? I mean, if it increases performance with no negative side effects, why isn't the factory default set for high performance?
 
Originally posted by: EarthwormJim
It makes the drive quieter, that's all.

Honestly was no audible difference to me.
Click to expand...

I was playing with AM on my Velociraptor yesterday and noticed the same thing....nothing.
 
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