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Thread: Sata2?

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    Civilian Nick F's Avatar
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    Sata2?

    Is there any major advantage over normal SATA apart from the connections?

    Can SATA2 drives run on normal SATA MB's?

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    Common Sense Advocate Rabs's Avatar
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    SATA and SATA2 are backwards compatible like USB and USB2.

    The difference is the speed. As current SATA2 HD's nowhere near saturate SATA1's bandwidth theres little point in buying a SATA2 drive other than a p3n1s extension for your rig

    Sorry to say it but thats the truth. Get some WD 74GB Raptor niceness if you want uber speed HD's.

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    Civilian Nick F's Avatar
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    cheers mate, just means I can take some of my SATA drives to my new machine.

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    A decent set of SATA2 drives are nearly as quick as raptors and are quieter and cooler. I ran 36GB Raptors in RAID 0 and swapped to RAID 0 80GB SATA2 drives and there was 2mb difference in bandwidth!

    SATA2 drives are worth it if your board supports it. Raptors are bad GB per £. I sold 2 36GB for £110 and brought 4 80GB SATA2 new for £130!
    .: Predator :.


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    Common Sense Advocate Rabs's Avatar
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    Quote Originally Posted by Firelord
    A decent set of SATA2 drives are nearly as quick as raptors and are quieter and cooler. I ran 36GB Raptors in RAID 0 and swapped to RAID 0 80GB SATA2 drives and there was 2mb difference in bandwidth!

    SATA2 drives are worth it if your board supports it. Raptors are bad GB per £. I sold 2 36GB for £110 and brought 4 80GB SATA2 new for £130!
    The 36GB Raptors aren't that great, I must agree with you there. In use the 74GB Raptor kills everything SATA2 or not, in pure access times and general speed.

    The 2MiB(?) difference will be from the memory on the HD's controller to ram which is faster, however you can only cache very little before becoming bottlenecked by the HD accessing the platters.

    SATA2 will become the norm in all new drives produced in the near future however its the same argument as between ATA66->100->133

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    Hexus.net Troll Dougal's Avatar
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    The 7K500 (Sata 3GB/s is the official name btw) runs hot (50C) but is only behind the raptors by around 10MB/s or so.

    But that is running at 7200RPM which is impressive.
    Quote Originally Posted by Errr...me
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    Nox
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    http://www.anandtech.com/storage/showdoc.aspx?i=2450

    interesting articale about SATA-II

    seek time should also be compared, as well as transfer rate.

    Nox

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    Senior Member SilentDeath's Avatar
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    Do drives have to be enabled for sata-II or will they switch between it depending on the controler they are connected to?
    If they have to be enabled can they be used on sata1 controlers still?

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    Hexus.net Troll Dougal's Avatar
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    Sata 3GB/s drives can be used to Sata 1.5GB/s devices, the are backwards compatible as are sata 3GB/s controllers.

    The drives have to be specific sata 3GB/s
    Quote Originally Posted by Errr...me
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    are there many motherboards out there yet that actually support SATA2 yet? I am finding it hard to find any.

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    Hexus.net Troll Dougal's Avatar
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    Its the nForce 4 which is meant to have it.

    Check http://www.hexus.net/content/reviews...VybF9wYWdlPTM=

    Remember SATA II is the name of the GROUP that developed SATA 3GB/s, it shouldn't be refferred to as SATA II
    Quote Originally Posted by Errr...me
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    Senior Member Kezzer's Avatar
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    http://www.hexus.net/content/reviews...lld19JRD0xMzM5

    *cough*

    Guide to SATA vs PATA with a little SATA-II info in there

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    mutantbass head Lee H's Avatar
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    Quote Originally Posted by Famished
    are there many motherboards out there yet that actually support SATA2 yet? I am finding it hard to find any.
    Yeap - all Nforce4 Ultra and SLI chipset based motherboards are Serial ATA 3 Gb/s compliant and run fine with both standards of drives

    Other chipsets that are SATA 3 Gb/s are as follows ;

    Intel 955X based motherboards
    Intel 945G based motherboards
    Intel 945P based motherboards

    and probably more but off the top of my head these are the ones that I now that fit the criteria
    Last edited by Lee H; 29-07-2005 at 02:49 PM. Reason: missed nearly and corrected a few things :)

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    Quote Originally Posted by WildmonkeyUK
    Yeap - all Nforce4 based motherboards are Serial ATA 3 Gb/s compliant and run fine with both standards of drives
    Not strictly true. Its only the NF4 Ultra and SLi chipsets that support SATAII as the vanilla NF4 is SATA only
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    mutantbass head Lee H's Avatar
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    Quote Originally Posted by Firelord
    Not strictly true. Its only the NF4 Ultra and SLi chipsets that support SATAII as the vanilla NF4 is SATA only
    oops - sure I put nearly...

    I will adjust that list now

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    Whats the state of SATA connectors like nowdays? Do MB manufactors still only put two connections on the board?

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