which HD better

soul23 · Feb 15, 2009

hi guys

just wondering which hard drive would be faster
, solid state drive or 2 10000rpm velociraptors in raid0 ?

thanks

jivetrky · Feb 15, 2009

From what I have read, right now unless you can afford the rather high cost of the Intel X25E's you are better off going with the Velociraptor.

Many/most of the other SSDs, while have awesome sustained read speeds and random access, are still having issues with IO and other things that actually end up causing issues with freezing and other things.

I would recommend sending a PM to Dominick32. He seems to have the most experience with a variety of SSD's on our forums, and probably most other places. He also has great experience with Raptors, so I'm sure he would be able to give you a very informed opinion.

Know Nuttin · Feb 15, 2009

which SSD are you thinking of going with to compare?

TimoneX · Feb 15, 2009

Intel X25-E, X25-M, Samsung SLC & MLC, & Corsair CMFSSD-128GBG1D all avoid the I/O issues by not employing the JMicron controller. The upcoming OCZ Vertex also uses a different controller and should be free of stutter issues.

The raptors will be faster for STR, alot faster at writes and alot slower at access times.

soul23 · Feb 15, 2009

cheers guys.
i was thinking about this drive http://www.scan.co.uk/Products/60GB-OCZ-Technology-OCZSSD2-1SLD60G-25-SATA-II-Solid-State-Drive
i play COD4 alot so would it improve the game play?

ou_phidelt · Feb 15, 2009

soul23 said:
cheers guys.
i was thinking about this drive http://www.scan.co.uk/Products/60GB-OCZ-Technology-OCZSSD2-1SLD60G-25-SATA-II-Solid-State-Drive
i play COD4 alot so would it improve the game play?

Why are you comparing a $130 SSD to $300+ set of VR's. If you are willing to put that much into an SSD you can get very nice performance. Currently there is the MLC Intel with the OCZ vertex coming shortly. For similiar money(assuming they live up to the hype) a 64GB vertex with a 1TB data drive would be a nice combination.

Know Nuttin · Feb 15, 2009

ou_phidelt said:
Why are you comparing a $130 SSD to $300+ set of VR's. If you are willing to put that much into an SSD you can get very nice performance. Currently there is the MLC Intel with the OCZ vertex coming shortly. For similiar money(assuming they live up to the hype) a 64GB vertex with a 1TB data drive would be a nice combination.

The 120/250GB Vertex's will be faster than the 30/60GB Vertex's though obviously more expensive. I'd also second using a good SSD as primary drive, and then a backup drive for all other stuff.

TimoneX · Feb 15, 2009

ou_phidelt said:
Why are you comparing a $130 SSD to $300+ set of VR's. If you are willing to put that much into an SSD you can get very nice performance. Currently there is the MLC Intel with the OCZ vertex coming shortly. For similiar money(assuming they live up to the hype) a 64GB vertex with a 1TB data drive would be a nice combination.

I think the OP already has a single velociraptor so the thinking makes sense. The two options would then be comparable in price.

mwillman · Feb 15, 2009

If your talking about 1 SSD verses 2 raid zero Velociraptors then the Velociraptors are going to be faster in all respects. If you are talking about 2 raid 0 SSDs then the SSDs will be somewhat faster at least for access times.

Personally, I think SSDs are still too overpriced per mgb to be the best choice right now but in the near future they will become a better choice.

TimoneX · Feb 15, 2009

soul23 said:
cheers guys.
i was thinking about this drive http://www.scan.co.uk/Products/60GB-OCZ-Technology-OCZSSD2-1SLD60G-25-SATA-II-Solid-State-Drive
i play COD4 alot so would it improve the game play?

Don't buy that drive. I couldn't even get happy with two of those connected in RAID0 to an adaptec 3085(800MHZ/256MB cache). On ICH10R it was horrible.

You'd be better advised to get another vraptor or one of the SSD's I mentioned earlier. G.Skill's titan is also acceptable for some as it uses two of the offensive controllers in an internal raid config.

TimoneX · Feb 15, 2009

mwillman said:
If your talking about 1 SSD verses 2 raid zero Velociraptors then the Velociraptors are going to be faster in all respects. If you are talking about 2 raid 0 SSDs then the SSDs will be somewhat faster at least for access times.

Personally, I think SSDs are still too overpriced per mgb to be the best choice right now but in the near future they will become a better choice.

Not entirely accurate. The Vraps are superior in many ways, but not in access times. Not even close.

mwillman · Feb 15, 2009

individually they have slower access times but 2 veloci drives in raid zero actually have better access times then a single SSD.

tuskenraider · Feb 15, 2009

No doubt the SSD will be faster in certain aspects, but with all the "now this drive is supposed to be a real solid performer for the money" releases, only to have as many hiccups as previous generations, I'd avoid SSD altogether. They still are nowhere near mainstream developement for a product and will need at least another year of developement and price reductions to be a reliable and somewhat cost-effective option. Sure, let all the hobbyists have fun with them for now. If you disagree, great, but that's my thoughts on the issue.

mwillman · Feb 15, 2009

Would you care to prove that instead of just making blanket statements.

TimoneX · Feb 15, 2009

mwillman said:
individually they have slower access times but 2 veloci drives in raid zero actually have better access times then a single SSD.

Nope. Not even close. RAID0 generally INCREASES access times.

mwillman · Feb 15, 2009

Whats important is how fast data is transfered from the hard drive to RAM.

access time is only a part of what creates that speed and most of the testing out there
right now says a SSD is not faster then a veloci RAID 0 setup.

tuskenraider · Feb 15, 2009

TimoneX said:
Nope. Not even close. RAID0 generally INCREASES access times.

In theory yes, but who has seem more than a couple tenths of a millisecond running 2-4 drives together over a single?

TimoneX · Feb 15, 2009

So essentially what you're saying is that the Velociraptor's cache has a better access time then SSD's? Their average latency though state of the art for non-sas drives is around 30x higher than SSD. (.2ms vs 6ms)

Yes the 2xVrap RAID0 setup is faster than a single SSD in STR & writes...but again nowhere near SSD speeds in access times or latency.

mwillman · Feb 15, 2009

here are a couple of links to information on real life testing

http://www.digitalstormonline.com/forums/forum_posts.asp?TID=3843&PN=1

http://www.maximumpc.com/article/the_new_fastest_hard_drive_ever?page=0,1

TimoneX · Feb 15, 2009

tuskenraider said:
In theory yes, but who has seem more than a couple tenths of a millisecond running 2-4 drives together over a single?

Agreed. RAID0 only increases access times by a tiny fraction. I was simply responding to the notion that RAID0 should be expected to drop access times. It does not.

which HD better

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