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6 10K velociraptors VS. 4 15K Cheetah's in RAID

post #1 of 15
Thread Starter 
So looking into the storage point of my build.... what do you think would be faster?

I'm looking at running either 4 Seagate 15,000RPM cheetah drives (450gig) OR 6 Western Digital Velociraptor 10,000RPM drives (450gig) in a RAID configuration, probably RAID 5.

Quick Breakdown:

6 Western Digital 10,00RPM drives, 2.7TB total
4 Seagate 15,000RPM drives, 1.8TB total


My question is, which do you think will perform better? I'm starting to lean towards the Western Digital setup because I think it will be REALLY fast regardless and offer more 900GB of additional storage.

The operating system will NOT be stored on this array, this is strictly for storage of whatever the heck I feel like storing! lol.... The main disk is a SSD.

So, which would you go with and why? The Western Digital configuration also costs about 100 bucks less.
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post #2 of 15
15k Cheetah?

I didn't even know these existed until just now! lol

Where the hell have i been?
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post #3 of 15
Any decent SSD will still feel faster for general usage.

What kind of workload do you have?
Unless you explicitly need extra sequential performance I would go with the Cheetah configuration.
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post #4 of 15
Quote:
Originally Posted by swindle View Post
15k Cheetah?

I didn't even know these existed until just now! lol

Where the hell have i been?
Probably because 15k cheetahs are enterprise drives. They are SAS or FC, and not really practical for home end users.

To answer the question.

the 15k cheetahs will probably be faster. but Much more costly, than the raptors.

If you don't need constant access to data day and night, on high speeds, you would be better off getting some WD Blacks, or Samsung spinpoints.

If you're going purely on performance, the cheetah will probably perform better.

a single cheetah will outperform a raptor any day in read, write, accesstime, and IOPS.

a cheetah will do (from what i can remember years ago) about 175 MB/s sustained read vs about 120MB/s sustained read on a velociraptor.
(6x120) > (4x175), But the cheetah will make up for that difference in seek time, latency, and life.
Edited by this n00b again - 7/16/11 at 10:43pm
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post #5 of 15
the cheetahs are faster but uber costly and u get more storage with the raptors
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post #6 of 15
What CONTROLLER are you planning to use? That is also a bank-breaking question to consider.

15k7s are only available in SAS or FC whereas VelociRaptors are SATA (big big price difference) A decent SAS controller alone would ruin me...

For fast, big storage I would consider 7.2k 2TB WD Blacks or Seagate XTs...
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post #7 of 15
Thread Starter 
Here is my build so far to give you an idea of what I'm working with:

The Rig so far is going to have a:
Case Labs T10
ASUS Rampage III Black Edition motherboard
2 EVGA GTX 580
Intel Extreme Core i7-990x
G.SKILL SNiper Gaming Series ram, 24GB (6x4GB)
Silverstone 1500 watt PSU
5 hard disks (4 seagate cheetah 15K rpm and 1 OCZ IBIS SSD)...

I havent even gotten to the controller cards yet lol. But that is a good concern I didnt price them out....

I'm going to be building a gaming rig/testing/screw around rig. Those are its 2 main functions. The core OS (win7) will be run on a SSD drive that will have any games or apps that I need to install on it.

The RAID configuration is going to be for storage mainly, but I will be building several virtual machines as well. This is why I have alot of ram in this build (24gigs). I plan to run an instance of VMware with an exchange server, a few workstations, a domain controller, etc.... This is for testing and playing around with stuff, learning, etc.

I already have a TB of stuff on my old rig between apps, games, videos and music.

It seems I'm leaning towards the Western Digital setup now. You think its worth going all the way to 7200rpm? Would I better off running the 10K drives still since I will be hosting some VMs on there?
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post #8 of 15
Those Cheetahs will make you want to wear earplugs. I don't think you'll be happy if it's going to be in the same room as you.
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post #9 of 15
Thread Starter 
I'm looking at controller cards now. What about using the onboard RAID controller with my mother board? Does it suck? lol....
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My System
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74gig 10K rpm raptor Windows 7 Dual HP w2207h 22" screens Logitech Wireless 
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post #10 of 15
Thread Starter 
Quote:
Originally Posted by sccr64472 View Post
Those Cheetahs will make you want to wear earplugs. I don't think you'll be happy if it's going to be in the same room as you.
Good point dude! I didnt even think of that..
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My System
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