Ubuntu: Is there a way to install/update drivers to support my new SATA 3.1 SSD?


My laptop is a Toshiba Satellite L670-1LX, bought in 2011. It originally had a HDD, but a few days ago I bought a Toshiba Q300 SSD drive. I partitioned it (aligning partitions to multiples of 2048 sectors) and cloned the OS (Ubuntu Mate 16.04) from the HDD to the SSD using clonezilla.

The command hdparm -t /dev/sda tests sequential read speed. on my Q300 SSD, its output is 253 MB/s (average value), whereas it could be near 550 MB/s.

  • Could it be because my OS doesn't have the drivers installed to properly support my SATA 3.1 controller? As I mentioned, I did not install Ubuntu to the SSD, I just copied the HDD partition.
  • Otherwise perhaps it's not a software issue and my motherboard controller can't support SATA3 at all?

I don't understand all of it, but here is the output of some commands I found on various web pages:

smartctl -a /dev/sda | grep SATA results in:

SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 3.0 Gb/s)  

hdparm -iI /dev/sda | grep SATA results in:

Transport: Serial, ATA8-AST, SATA 1.0a, SATA II Extensions, SATA Rev 2.5, SATA Rev 2.6, SATA Rev 3.0  

lspci | grep SATA results in:

00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 4 port SATA AHCI Controller (rev 05)  


Your performance test results are better than what CNET got. (In their tests, Toshiba SSD Q300 was measured at 203 MB/sec read, 187 MB/sec combined read/write). The conclusion of the CNET test was that the Q300 was "slow and expensive".

To be fair, Anandtech measured much better performance, but complained of low steady-state performance and poor performance consistency. Anyway, the conclusion was similar: "the Q300 is a low-end drive and is among the slowest SSDs on the market".

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