Why won't my SSD operate at SATA 3.0 6 Gb/s?

My laptop runs pretty well, but I just checked my SSD and notice that it is using SATA 2.0.

Here's the Speccy report snippet:
Storage
            Hard drives
                        MTFDDAK128MAM-1J1
                              Heads      16
                              Cylinders      15,566
                              Tracks      3,969,330
                              Sectors      250,067,790
                              SATA type      SATA-III 6.0Gb/s
                              Device type      Fixed
                              ATA Standard      ACS2
                              Serial Number      1228091002FC
                              Firmware Version Number      0809
                              LBA Size      48-bit LBA
                              Power On Count      853 times
                              Power On Time      53.6 days
                              Speed      Not used (SSD Drive)
                              Features      S.M.A.R.T., APM, NCQ, TRIM, SSD
                              Max. Transfer Mode      SATA III 6.0Gb/s
                              Used Transfer Mode      SATA II 3.0Gb/s
                              Interface      SATA
                              Capacity      119 GB
                              Real size      128,035,676,160 bytes
                              RAID Type      None

Help!
Robert
RobertAsked:
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RaminConnect With a Mentor Technical AdvisorCommented:
Read your Motherboard manual to find out which port is suitable for a SSD with SATA-III  and if SATA-III is supported by your motherboard.
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RaminConnect With a Mentor Technical AdvisorCommented:
Please post your Motherboard specs too.
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Seth SimmonsConnect With a Mentor Sr. Systems AdministratorCommented:
what model system is this?
i'm guessing the interface doesn't support 6gb only 3gb
drives are backward compatible so it will use a lower speed if that's the highest the system will support
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mlsbravesConnect With a Mentor Commented:
Sounds like your SSD is connected to a port on the motherboard that is SATA II. If your motherboard has a SATA III port then use it instead and you should see the change.

Also,
Keep in mind that SATA III still has a max throughput of 600MB/s. If your looking for the highest I/O then M.2 would be an option to look at.
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pgm554Commented:
Check your BIOS  settings.
If it's set to SATA  instead of AHCI,that can cause those speed fluctuations.
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RobertAuthor Commented:
This is a ThinkPad T410 model 2522-25U.  I cannot find much information on it as Lenovo has wiped it from their Support pages.

What little info I can gather states that it came with a SATA 2 HDD.  

I cannot find any BIOS upgrade though I am pretty certain that I have the latest.  In any case, here's the Speccy data on the motherboard:
Motherboard
      Manufacturer      LENOVO
      Model      252225U (None)
      Version      Not Available
      Chipset Vendor      Intel
      Chipset Model      Havendale/Clarkdale Host Bridge
      Chipset Revision      02
      Southbridge Vendor      Intel
      Southbridge Model      QM57
      Southbridge Revision      06
            BIOS
                  Brand      LENOVO
                  Version      6IET85WW (1.45 )
                  Date      02/14/13

            PCI Data
                        Slot PCI-E
                              Slot Type      PCI-E
                              Slot Usage      Available
                              Data lanes      x1
                              Slot Designation      ExpressCard Slot
                              Characteristics      Hot Plug
                              Slot Number      0
                        Slot Other
                              Slot Type      Other
                              Slot Usage      Available
                              Bus Width      Other
                              Slot Designation      Media Card Slot
                              Characteristics      Hot Plug
                              Slot Number      1
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mlsbravesCommented:
It appears your system only supports SATA II. I'll try to find the documents but I found this on their forum:

https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T/SSD-Thinkpad-T410-SATA-II-or-SATA-III/td-p/1605084

T410 is  a SATA II unit.

If your system only supports SATA II, a SATA III drive will work but will run at SATA II speeds.
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mlsbravesCommented:
So it appears that the Thinkpad T410 only has SATA II support:
https://support.lenovo.com/us/en/solutions/pd006109
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RobertAuthor Commented:
Thanks to all.  Everyone seems to have the right ideas about what's critical to answer this question.

Let me follow with a comment on clarification about Speccy.  I think I was asking more as to what Speccy was telling me.

SATA type      SATA-III 6.0Gb/s
                              Device type      Fixed
                              ATA Standard      ACS2
                              Serial Number      1228091002FC
                              Firmware Version Number      0809
                              LBA Size      48-bit LBA
                              Power On Count      853 times
                              Power On Time      53.6 days
                              Speed      Not used (SSD Drive)
                              Features      S.M.A.R.T., APM, NCQ, TRIM, SSD
                              Max. Transfer Mode     SATA III 6.0Gb/s
                              Used Transfer Mode      SATA II 3.0Gb/s

                              Interface      SATA
I thought that the Max. Transfer Mode indicated the performance capable by the (combination of) motherboard/SATA interface/drivers/BIOS.  Closer to the top, it clearly - to me - mentions the drive's SATA III 6.0Gb/s spec.  But I suppose it (Max Transfer Mode) is only referring to the capability of the drive itself, which seems redundant to me, or confusing, since it clearly cannot operate at SATA III in this T410 as currently configured.

Thoughts about Max Transfer Mode?  Is it redundant, as SATA Type seems to say the same thing?  

Also trying to figure out how to close this and make it meaningful going forward.  Thoughts on that?

Robert
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RaminTechnical AdvisorCommented:
Max. Transfer Mode      SATA III 6.0Gb/s  
That means you SSD can use that transfer rate if it is connected to a  SATA III 6.0Gb/s.

Used Transfer Mode      SATA II 3.0Gb/s
That means your SSD is connected to a SATA II 3.0Gb/s which limited it's ability.
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mlsbravesCommented:
So in this case, the Max transfer mode is just referring to what the SSD supports, which is SATA III. Since your motherboard only supports SATA II, it is referring that the current transfer mode is limited to SATA II speed. This is just the terminology that this program uses. Also remember that if you run an I/O test, don't expect to see those types of speed. SATA III should see at best 600MB and SATA II of 300MB.
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Gerald ConnollyCommented:
So 6Gb/s = 600MB/sec for all these high speed buses they use 8b10b coding which means that every byte = 10 bits

That means the interface is capable of 600MB/s that doesnt mean the device will get that speed, on my machine a 6Gb/s i/f gives just over 500MB/s when tested with something like HDtune.
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RobertAuthor Commented:
Well, no one is really answering the question.  Speccy lists the SATA Type as 6 Gb/s and then repeats that at the Max. Transfer Rate.  Why repeat if it means the same thing?
                              SATA type      SATA-III 6.0Gb/s
                               .
                               .
                               .
                              Max. Transfer Mode     SATA III 6.0Gb/s
                              Used Transfer Mode      SATA II 3.0Gb/s
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RaminTechnical AdvisorCommented:
I see it just like this:

SATA type      SATA-III                        //   this line only refers to SATA type.
.
.
.
Max. Transfer Mode   SATA III 6.0Gb/s    //   this line refers to Maximum transfer rate which is available on SSD.

Used Transfer Mode   SATA II 3.0Gb/s    //    this line refers to Transfer rate which was available during the test.
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RobertAuthor Commented:
I see that, too, but SATA III is equivalent to saying SATA 6.0Gb/s.  They mean the same thing, AFAIK.
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Gerald ConnollyCommented:
The manufacturers (well their marketing depts) are often economical with the truth - Yes SATA III is 6Gbits/s, the device is 6Gb/s by definition, but what they are really quoting is the BUS speed, not the maximum speed the device can consistently deliver dat, yes it might be able to do 6Gb/s for certain parts of the protocol exchange, but its highly unlikely it can deliver that speed consistently over a reasonable period of time.
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nobusCommented:
you might get the max speed  - or very near it - when starting a large data transfer; but then you see it drop very quickly to say 50/60 MB/sec, once the cache is full, and it is transferring in real time
(start speed is high because it fills up cache = memory = MUCH faster than disk)
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RobertAuthor Commented:
I think the key to the question that you answered was to know what performance the motherboard could provide.

Thanks to all for participating.

At some point I will upgrade my Desktop PC as well as my laptop and they will probably both run with the OS on an SSD using an m.2 interface on both.
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RaminTechnical AdvisorCommented:
You're welcome and I'm glad we could help.
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