Confirmed and replicated same results works great.....
=== START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
SMART/Health Information (NVMe Log 0x02, NSID 0xffffffff)
Critical Warning: 0x00
Temperature: 46 Celsius
Available Spare: 0%
Available Spare Threshold: 0%
Percentage Used: 0%
Data Units Read: 95,513,598,780 [48.9 PB]
Data Units Written: 96,577,229,991 [49.4 PB]
Host Read Commands: 1,148,532,179
Host Write Commands: 1,220,615,011
Controller Busy Time: 430
Power Cycles: 19
Power On Hours: 3,293
Unsafe Shutdowns: 14
Media and Data Integrity Errors: 0
Error Information Log Entries: 1
Error Information (NVMe Log 0x01, max 63 entries)
No Errors Logged
[root@freenas ~]# diskinfo -wS /dev/nvd0
/dev/nvd0
512 # sectorsize
8581545984 # mediasize in bytes (8.0G)
16760832 # mediasize in sectors
0 # stripesize
0 # stripeoffset
RMS-200 # Disk descr.
0085217 # Disk ident.
Yes # TRIM/UNMAP support
0 # Rotation rate in RPM
Synchronous random writes:
0.5 kbytes: 25.9 usec/IO = 18.9 Mbytes/s
1 kbytes: 26.6 usec/IO = 36.7 Mbytes/s
2 kbytes: 26.8 usec/IO = 72.9 Mbytes/s
4 kbytes: 30.3 usec/IO = 129.0 Mbytes/s
8 kbytes: 33.5 usec/IO = 233.4 Mbytes/s
16 kbytes: 45.9 usec/IO = 340.4 Mbytes/s
32 kbytes: 56.3 usec/IO = 555.2 Mbytes/s
64 kbytes: 66.5 usec/IO = 940.3 Mbytes/s
128 kbytes: 118.0 usec/IO = 1059.6 Mbytes/s
256 kbytes: 137.3 usec/IO = 1821.4 Mbytes/s
512 kbytes: 176.6 usec/IO = 2830.5 Mbytes/s
1024 kbytes: 315.6 usec/IO = 3169.0 Mbytes/s
2048 kbytes: 540.0 usec/IO = 3703.8 Mbytes/s
4096 kbytes: 1020.7 usec/IO = 3918.9 Mbytes/s
8192 kbytes: 1835.7 usec/IO = 4358.1 Mbytes/s
[root@freenas ~]#