SATA connector most speed？

Autonomous Machines Jetson & Embedded Systems Jetson TX2
1

I’ve plugged a SSD into SATA connector of my TX2 dev board(Jetpack 4.2)。

Is the fastest writing speed 145MB/S in SATA connector?

here my test:
opt@opt-desktop:~$ sudo dd if=/dev/sda of=/dev/null bs=1G count=2 status=progress
2147483648 bytes (2.1 GB, 2.0 GiB) copied, 8 s, 257 MB/s
2+0 records in
2+0 records out
2147483648 bytes (2.1 GB, 2.0 GiB) copied, 8.76198 s, 245 MB/s
opt@opt-desktop:~$
opt@opt-desktop:~$ sudo dd if=/dev/sda of=/media/opt/111.txt bs=1G count=2 status=progress
2147483648 bytes (2.1 GB, 2.0 GiB) copied, 15 s, 145 MB/s
2+0 records in
2+0 records out
2147483648 bytes (2.1 GB, 2.0 GiB) copied, 14.7975 s, 145 MB/s

2

According to our internal test report, it could be up to around 230MB/s for TX2.

3

Can you provide a list of test environments? 145M is too slow for us, 200m barely meets the requirement

4

We use command similar to

iozone -ecI -+n -L64 -S32 -s64m -r512k -i0 -i1 -l8 -u8 -m -t8 -F /mnt/file1 /mnt/file2 /mnt/file3 /mnt/file4 /mnt/file5 /mnt/file6 /mnt/file7 /mnt/file8

Please remember to pull up the nvpmodel and jetson_clocks.