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Disk Data Transfer Rate

Last response: in Components
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December 11, 2009 3:24:14 PM

I am having problems with my Disk Data Transfer Rate. When I run the Windows Experience Index, my primary HD rates a 5.9 and everything else is a 7.9.

My System:
i7 265 Extreme (3.2 GHz)
EVGA x58 SLI Motherboard
6 Gig of DDR3 1600
Two Nvidia 295 video cards SLI'd
10000 rpm Velociraptor
Windows 7x64 bit (I had the same problem with Vista 64)

I am not a computer expert, but I'm not computer illiterate either. Any help would be greatly appreciated.
December 11, 2009 5:32:11 PM

If your boot up time is unchanged, all you can do is clean up the drive. I use the windows clean disk program, and a free program called "ie privacy keeper". You can also test the drive performance using the manufacturer's software. The windows experience meter always has at least one device dropping the average. Don't worry about it too much.
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December 11, 2009 8:28:33 PM

5.9 is the maximum score for a disk under Windows Vista.

In Windows 7, they extended the score to 7.9 to accomodate SSDs, which are way faster then mechanical disks. Since you have a mechanical disk, you're still stuck at 5.9.

BTW the "Windows Experience Index" is a very coarse guideline, not a benchmark. It's not a good tool to use for performance testing.
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December 11, 2009 8:43:17 PM

10k rpm does not directly translate into a high data transfer rate. Newer high density 7200 rpm 1tb drives can transfer faster. Still with fast access, the VR is still about as good as it gets until you go with a good SSD
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Best solution

December 12, 2009 1:37:37 AM

sminlal said:
5.9 is the maximum score for a disk under Windows Vista.

In Windows 7, they extended the score to 7.9 to accomodate SSDs, which are way faster then mechanical disks. Since you have a mechanical disk, you're still stuck at 5.9.

BTW the "Windows Experience Index" is a very coarse guideline, not a benchmark. It's not a good tool to use for performance testing.


You can get up to around 6.5 with hard drives, though it is hard (the 6.5 that I saw was with a couple 15k drives on a hardware RAID controller with a ton of cache). To get up into the 7+ range though, you do need an SSD. The score isn't just disk transfer rate - it accounts for access time as well, and SSDs are unmatched in that area.
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December 12, 2009 6:01:57 PM

Thanks for the info. Are there any drawbacks to the SSD drives? Recommendations on brand or type?

Thanks again.
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December 12, 2009 6:16:41 PM

The main drawback is cost per gigabyte. Read the current reviews, and do not read too much into synthetic benchmarks. Today, I think the intel X25-M are the best drives without write problems. Kingston has a 40gb drive for the OS for about $130. The key is how big a buffer the drive has, and how well it handles small writes. If you will use windows-7, you want a drive with TRIM support.
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December 12, 2009 8:31:33 PM

Thanks. I was looking at Newegg and Tiger Direct and the X-25 was the one that caught my eye. I found them in the $4-500 range.
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December 12, 2009 9:50:35 PM

The X25-M is currently the drive to beat. I have one of them (80GB) as my boot drive, and I love it.
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