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What will be the faster Raid 0 Setup? WD 1TB Blue or WD 250GB Velociraptor

post #1 of 14
Thread Starter 
Have some Amazon gift cards and think it's time to remove my hard drive bottleneck. I don't really like the idea of SSD's yet because they are too expensive for larger sized drives. Since I need enough space for OS/Games/Programs this is the best alternative I can come up with to get to those speeds.

Based on what I'm seeing in Benchmarks, it seems that when these two drives are put in Raid 0 array they really speed up quickly. Both have the ability to do over 400-500 mb/s read/writes. This of course is with more than two drives, so it is hard to gauge how much performance loss happens when you drop from 3-4 drives in Raid 0 to simply 2 drives in Raid 0.

Anyway based on what I can afford it's between this:

2 x WD Blue 1 TB (7200 RPM, SATA 6 Gb/s, 64 MB Cache - WD10EZEX ) in Raid 0

or

2 x WD VelociRaptor 250 GB (10000 RPM, SATA III, 64 MB Cache - WD2500HHTZ) in Raid 0

Here are some benchmarks I've found for them:

This is 4x WD Blue 1TB drives in Raid 0 -









This is 3x WD Velociraptor 1TB drives in Raid 0 -









Pro's of the Blues are they are cheaper and I'm ending up with more space in the end.
Pro's of the Velociraptors are they should be faster in the end, but it's hard to tell based on the benchmarks available.
Cons of the Blue's are do I really need 2TB of Raid 0 space?
Cons of the Velociraptors is end cost is slightly more (will be buying used though).

Seeing that the first benchmarks are with four drives, while the second benchmarks are only with three. So the Blues have an advantage in this comparison. Seeing that my Raid 0 knowledge isn't that extensive, I cant really figure out what will be faster in the end with only two drives. That's the basic goal of this setup, 500GB is about all I really need, but I'll settle for more if it equals faster speeds.

Kind of hung up on this decision.

Thanks

Note: I also understand that larger drives tend to be faster.
post #2 of 14
IIRC that chipset doesn't have RST does it?. Could be wrong though. You should be able to find some sort of software to do it for you if it doesn't. They've got it for AMD
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post #3 of 14
Thread Starter 
Quote:
Originally Posted by bombastinator View Post

IIRC that chipset doesn't have RST does it?. Could be wrong though. You should be able to find some sort of software to do it for you if it doesn't. They've got it for AMD

It has RST.
post #4 of 14
So why not just add an SSD to that? Put a 240gig on one of those 1tb drives and call it a day. It'll beat your raid 0
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post #5 of 14
Thread Starter 
Quote:
Originally Posted by bombastinator View Post

So why not just add an SSD to that? Put a 240gig on one of those 1tb drives and call it a day. It'll beat your raid 0

An 840 Evo 250GB is about $170 then that's another $60 for a decent 1TB so that's out of my budget. This is the best alternative for SSD speeds under $160
post #6 of 14
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post #7 of 14
Thread Starter 
Cheapest price for 240GB at that link is $150 still not enough space for my games. I also refuse to pay $150 for 240GB of space when I could have nearly 3 WD Blues for that price. The other is only a 120GB just enough for OS and Programs. Doesn't help me all that much. Which then means I have to get a separate games drive, which of course means no SSD speeds. Although the WD Blue isn't all that slow it still isn't SSD speeds stock.
post #8 of 14
Grrrr. That;s the problem with PCpart picker. They don't always update in a timely manner.

As for the just enough for os and programs thing, I'm not sure you're getting how this works. If you RSI the SSd and HD, what you get is a single drive the size of the HD with the cache of the SSD.

Basically you get a 1tb drive about halfway in speed between an ssd and a hd. Since SSDs are 5-10 times as fast as an HD you come out ahead. The bigger the SSD the farther ahead you get. The xbox one pulls this trick, and has this down to the point that if you swap the HD for an SSD there is no appreciable boost in speed.

I've got a 120gb samsung evo sitting on my desk because I didn't check to see if my mobo actually had RST disk caching before I bought it. :/ I keep meaning to look up the software but I;d have to open my case again.
Edited by bombastinator - 1/6/14 at 2:19am
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post #9 of 14
Get the Blues. Raptors are done.
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post #10 of 14
Thread Starter 
Quote:
Originally Posted by bombastinator View Post

Grrrr. That;s the problem with PCpart picker. They don't always update in a timely manner.

As for the just enough for os and programs thing, I'm not sure you're getting how this works. If you RSI the SSd and HD, what you get is a single drive the size of the HD with the cache of the SSD.

Basically you get a 1tb drive about halfway in speed between an ssd and a hd. Since SSDs are 5-10 times as fast as an HD you come out ahead. The bigger the SSD the farther ahead you get. The xbox one pulls this trick, and has this down to the point that if you swap the HD for an SSD there is no appreciable boost in speed.

I've got a 120gb samsung evo sitting on my desk because I didn't check to see if my mobo actually had RST disk caching before I bought it. :/ I keep meaning to look up the software but I;d have to open my case again.

The only thing I'm unsure of is isn't RSI installed through Windows? I know there's an option for it in my Bios. But I'm not really sure how to go about doing that since I have no experience with it. I understand how Cache drives work, but seems like it could become problematic and as risky as a Raid 0 Array.
Quote:
Originally Posted by silvergoat View Post

Get the Blues. Raptors are done.

I leaning towards the Blues more because they are cheaper, and I've seen them as single drives. They are still pretty fast that way, so I can only imagine in Raid 0 how much of a speed boost it gives. The benchmarks also look very promising. Also, having 2TB of space would be nice and I can turn my old 500GB drives into pure backup.
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