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Author: Subject: Is cheetah 15K faster or latest 6GB/s hdd
KOUROSH
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[*] Post 411397 posted on 21-6-2010 at 07:23 Reply With Quote
Is cheetah 15K faster or latest 6GB/s hdd



as a matter of interest i wonder who can answer this question(i googled it but not a clear answer) which one of these two hdd are faster in terms of data transfer and overall performance
cheetah 15K or 64MB WD black edition 6GB/s

http://www.wdc.com/en/products/products.asp?DriveID=792
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[*] Post 411398 posted on 21-6-2010 at 08:03 Reply With Quote


No single mechanical drive can saturate SATA 3Gb/s let alone 6Gb/s. SAS is different on a lot of levels and is rarely, if ever, used as a single drive.

If you want the fastest on the market get a Crucial C300 SSD. It's based around the new Sandforce 1200 controller. Reliability might be an issue though as it's immature tech. The Intel SSD is a more mature tech but's distinctly slower.

If you want to get an answer to your question look up reviews on the latest 450/600Gb Velociraptors. Then look up reviews on the SAS drives, not many about.

For reference I get around 20Mb/s better throughput with my SAS 15k drive over a second gen 74Gb Raptor. However the SAS is more 'responsive' under heavy workloads which is what it was designed for. This can also be attributed to the RAID controller.
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[*] Post 411399 posted on 21-6-2010 at 09:01 Reply With Quote


Faolan, truly thanks a million, you went to some length for an answer that i thought would be yes or no.

late mobos have SAS on-board and also other have come with SATAIII 6GB/s and USB3 and the black edition of WD does 6GB/s.

i was trying to see which option for single HDD is best,
1-a Mobo which has SAS onboard and use a single cheetah.
2- use the other mobo which has sataiii and usb3 and the WD black edition.

a mobo hich has sas onboard
http://www.asus.com/product.aspx?P_ID=vXixf82co6Q5v0BZ&templete=2

a mobo which has sata3 and usb3
http://www.asus.com/product.aspx?P_ID=gFBKfNyhppW9tDbB&templete=2
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