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09-23-2019 06:13 AM
09-23-2019 06:13 AM
ML350p Gen8 - Sata motherboard connector speeds
Hello everyone,
There are 3 sata connectors on the server motherboard (one used by optical drive). Can someone tell me if they are Sata II or Sata III???
I was disappointed to learn the p420i runs at Sata II with Sata drives attached instead of SAS.
TIA
Palustec
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09-24-2019 11:07 PM
09-24-2019 11:07 PM
Re: ML350p Gen8 - Sata motherboard connector speeds
Hi,
As for my understanding embedded SATA ports are designated for the optical drives and it runs at SATA 1.5 speed.
also
HP Smart Array P420i Controller-Specification
FYI,
SATA I (revision 1.x) interface, formally known as SATA 1.5Gb/s, is the first generation SATA interface running at 1.5 Gb/s. The bandwidth throughput, which is supported by the interface, is up to 150MB/s.
SATA II (revision 2.x) interface, formally known as SATA 3Gb/s, is a second generation SATA interface running at 3.0 Gb/s. The bandwidth throughput, which is supported by the interface, is up to 300MB/s.
SATA III (revision 3.x) interface, formally known as SATA 6Gb/s, is a third generation SATA interface running at 6.0Gb/s. The bandwidth throughput, which is supported by the interface, is up to 600MB/s. This interface is backwards compatible with SATA 3 Gb/s interface.
Regards,
Sudhir
>
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05-07-2020 06:59 AM
05-07-2020 06:59 AM
Re: ML350p Gen8 - Sata motherboard connector speeds
But in this
https://support.hpe.com/hpesc/public/docDisplay?docId=emr_na-c03243992
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05-07-2020 08:44 AM
05-07-2020 08:44 AM
Re: ML350p Gen8 - Sata motherboard connector speeds
I once put an SSD on a Gen8 optical drive SATA port. It silently corrupted quite a bit of data.
Not sure if it was just a faulty port or if having a high speed drive on this port is outside of HPE's design and test parameters. Either way, be careful.
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05-10-2020 01:10 PM
05-10-2020 01:10 PM
Re: ML350p Gen8 - Sata motherboard connector speeds
My ATTO benchmark speeds on the SATA ports confirm a maximum speed of 150 MB/s.
Boris
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