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From: Ken on 12 Apr 2008 19:21
Does anyone know the approximate difference in data throughput between a
drive on a SATA-II controller on a PCI bus versus the same drive on a
PCIe (x 1) bus?

Thanks,
Ken K
From: Folkert Rienstra on 12 Apr 2008 19:51
Ken wrote in news:PtbMj.314$Hv6.286(a)newsfe02.lga
> Does anyone know the approximate difference in data throughput between a
> drive on a SATA-II controller on a PCI bus versus the same drive on a
> PCIe (x 1) bus?

Approximately none, give or take a few MB/s.

>
> Thanks,
> Ken K
From: Ken on 12 Apr 2008 21:36
Folkert Rienstra wrote:
> Ken wrote in news:PtbMj.314$Hv6.286(a)newsfe02.lga
>> Does anyone know the approximate difference in data throughput between a
>> drive on a SATA-II controller on a PCI bus versus the same drive on a
>> PCIe (x 1) bus?
>
> Approximately none, give or take a few MB/s.
>
>> Thanks,
>> Ken K

Thanks. Other than video applications, what hardware would take
advantage of the faster bus then?

Ken K
From: Arno Wagner on 12 Apr 2008 22:28
Previously Ken <noreply(a)charter.net> wrote:
> Folkert Rienstra wrote:
>> Ken wrote in news:PtbMj.314$Hv6.286(a)newsfe02.lga
>>> Does anyone know the approximate difference in data throughput between a
>>> drive on a SATA-II controller on a PCI bus versus the same drive on a
>>> PCIe (x 1) bus?
>>
>> Approximately none, give or take a few MB/s.
>>
>>> Thanks,
>>> Ken K

> Thanks. Other than video applications, what hardware would take
> advantage of the faster bus then?

For example a RAID controller. We have some 8x RAID controllers
from Arcea and they deliver about 250MB/s, which a regular PCI
slot cannot support (but PCI-X can, if fast enough).

Arno
From: Ken on 12 Apr 2008 23:00
Arno Wagner wrote:
> Previously Ken <noreply(a)charter.net> wrote:
>> Folkert Rienstra wrote:
>>> Ken wrote in news:PtbMj.314$Hv6.286(a)newsfe02.lga
>>>> Does anyone know the approximate difference in data throughput between a
>>>> drive on a SATA-II controller on a PCI bus versus the same drive on a
>>>> PCIe (x 1) bus?
>>> Approximately none, give or take a few MB/s.
>>>
>>>> Thanks,
>>>> Ken K
>
>> Thanks. Other than video applications, what hardware would take
>> advantage of the faster bus then?
>
> For example a RAID controller. We have some 8x RAID controllers
> from Arcea and they deliver about 250MB/s, which a regular PCI
> slot cannot support (but PCI-X can, if fast enough).
>
> Arno

Thanks. I am looking to upgrade my 5 year old system and the
motherboard I am considering (Intel BOXDP35DPM LGA 775 Intel P35 ATX)has
3 PCI and 3 PCIe x 1 slots (plus a PCIe x 16 slot for video). I was
just wondering what the PCIe expansion slots would best be used for.

Thanks
KK
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