Drive Information

Device Path
/dev/nvme0n1
Type
NVMe
Model
KCD6XLUL1T92
Serial Number
12Q0A002T7E8
Firmware
8003
Interface
NVMe
Capacity
1788.5 GB
Status
Healthy
Last Tested
2025-12-06T04:16:53.338939
Performance Summary
Test Type Latest Worst Best Average Tests
seq_read 3487.0 MB/s 3427.0 MB/s 3620.0 MB/s 3518.5 MB/s 121
rand_read 164.0 MB/s 164.0 MB/s 165.0 MB/s 164.5 MB/s 121
rand_write 881.0 MB/s 878.0 MB/s 936.0 MB/s 884.4 MB/s 121
dd_write 879.6 MB/s 866.3 MB/s 884.6 MB/s 875.4 MB/s 121
seq_write 1176.0 MB/s 1167.0 MB/s 1181.0 MB/s 1176.5 MB/s 121
Performance Trends
Sequential Read
Sequential Write
Random Read
Random Write
DD Write (3-run avg)
605 total tests
Timestamp Test Type Speed IOPS Latency Block Size Duration Status
2025-12-06T04:16:53.333784 dd_write 879.6 MB/s - - ms 1M -s OK
2025-12-06T04:16:53.327297 rand_write 881.0 MB/s 225000.0 2686.95 ms 4k 60s OK
2025-12-06T04:16:53.196112 rand_read 164.0 MB/s 42000.0 1908.34 ms 4k 60s OK
2025-12-06T04:16:51.102194 seq_write 1176.0 MB/s 1176.0 37.37 ms 1M 60s OK
2025-12-06T04:16:50.943304 seq_read 3487.0 MB/s 3487.0 39.95 ms 1M 60s OK
2025-12-06T04:02:02.523438 dd_write 878.0 MB/s - - ms 1M -s OK
2025-12-06T04:02:02.516806 rand_write 888.0 MB/s 227000.0 2640.75 ms 4k 30s OK
2025-12-06T04:02:02.508886 rand_read 165.0 MB/s 42200.0 1896.74 ms 4k 30s OK
2025-12-06T04:02:02.501173 seq_write 1177.0 MB/s 1176.0 24.87 ms 1M 30s OK
2025-12-06T04:02:02.493453 seq_read 3463.0 MB/s 3463.0 40.03 ms 1M 30s OK
2025-12-06T03:47:23.739840 dd_write 872.6 MB/s - - ms 1M -s OK
2025-12-06T03:47:23.732269 rand_write 880.0 MB/s 225000.0 2709.72 ms 4k 60s OK
2025-12-06T03:47:23.724574 rand_read 164.0 MB/s 42000.0 1932.29 ms 4k 60s OK
2025-12-06T03:47:23.717328 seq_write 1175.0 MB/s 1174.0 38.2 ms 1M 60s OK
2025-12-06T03:47:23.709473 seq_read 3511.0 MB/s 3511.0 26.29 ms 1M 60s OK
2025-12-06T03:32:35.330745 dd_write 879.0 MB/s - - ms 1M -s OK
2025-12-06T03:32:35.323682 rand_write 887.0 MB/s 227000.0 2640.04 ms 4k 30s OK
2025-12-06T03:32:35.316997 rand_read 165.0 MB/s 42200.0 1901.91 ms 4k 30s OK
2025-12-06T03:32:35.310069 seq_write 1177.0 MB/s 1176.0 35.48 ms 1M 30s OK
2025-12-06T03:32:35.302627 seq_read 3458.0 MB/s 3457.0 39.99 ms 1M 30s OK
2025-12-06T03:17:56.855537 dd_write 877.0 MB/s - - ms 1M -s OK
2025-12-06T03:17:56.848809 rand_write 881.0 MB/s 226000.0 2699.66 ms 4k 60s OK
2025-12-06T03:17:56.842411 rand_read 164.0 MB/s 42000.0 1928.53 ms 4k 60s OK
2025-12-06T03:17:56.835804 seq_write 1175.0 MB/s 1175.0 38.35 ms 1M 60s OK
2025-12-06T03:17:56.829315 seq_read 3495.0 MB/s 3494.0 40.24 ms 1M 60s OK
555 older entries not shown
2025-12-04T23:47:49.937824 dd_write 878.6 MB/s - - ms 1M -s OK
2025-12-04T23:47:49.931298 rand_write 880.0 MB/s 225000.0 2693.68 ms 4k 60s OK
2025-12-04T23:47:49.924742 rand_read 164.0 MB/s 42000.0 1916.35 ms 4k 60s OK
2025-12-04T23:47:49.918019 seq_write 1176.0 MB/s 1176.0 22.75 ms 1M 60s OK
2025-12-04T23:47:49.910584 seq_read 3467.0 MB/s 3466.0 39.98 ms 1M 60s OK
2025-12-04T23:33:01.557935 dd_write 873.6 MB/s - - ms 1M -s OK
2025-12-04T23:33:01.551621 rand_write 887.0 MB/s 227000.0 2628.33 ms 4k 30s OK
2025-12-04T23:33:01.545346 rand_read 165.0 MB/s 42200.0 1918.72 ms 4k 30s OK
2025-12-04T23:33:01.538804 seq_write 1170.0 MB/s 1170.0 36.66 ms 1M 30s OK
2025-12-04T23:33:01.532251 seq_read 3476.0 MB/s 3475.0 39.96 ms 1M 30s OK
2025-12-04T23:18:22.902980 dd_write 877.6 MB/s - - ms 1M -s OK
2025-12-04T23:18:22.896509 rand_write 880.0 MB/s 225000.0 2734.66 ms 4k 60s OK
2025-12-04T23:18:22.889365 rand_read 164.0 MB/s 42000.0 1934.68 ms 4k 60s OK
2025-12-04T23:18:22.882972 seq_write 1180.0 MB/s 1179.0 37.38 ms 1M 60s OK
2025-12-04T23:18:22.875711 seq_read 3541.0 MB/s 3541.0 24.15 ms 1M 60s OK
2025-12-04T23:03:34.398489 dd_write 872.0 MB/s - - ms 1M -s OK
2025-12-04T23:03:34.391393 rand_write 887.0 MB/s 227000.0 2666.27 ms 4k 30s OK
2025-12-04T23:03:34.384213 rand_read 165.0 MB/s 42200.0 1906.46 ms 4k 30s OK
2025-12-04T23:03:34.377207 seq_write 1179.0 MB/s 1179.0 38.31 ms 1M 30s OK
2025-12-04T23:03:34.369261 seq_read 3516.0 MB/s 3516.0 40.0 ms 1M 30s OK
2025-12-04T22:48:55.707998 dd_write 875.0 MB/s - - ms 1M -s OK
2025-12-04T22:48:55.701653 rand_write 936.0 MB/s 240000.0 2185.65 ms 4k 60s OK
2025-12-04T22:48:55.695083 rand_read 164.0 MB/s 42000.0 1920.97 ms 4k 60s OK
2025-12-04T22:48:55.688505 seq_write 1178.0 MB/s 1177.0 38.35 ms 1M 60s OK
2025-12-04T22:48:55.679707 seq_read 3520.0 MB/s 3520.0 38.94 ms 1M 60s OK