====== Benchmarks of Samsung PM983 960GB SSD ======
Samsung MZQLB960HAJR-00007 came up across the water. It is one of the PM983 series SSD for enterprise use that has U.2 connector and 960GB capacity. Now I haven't been satisfied with present SATA SSD on my server because I upgraded my LAN to 40GbE, so I couldn't help but get it.
Actually recent consumer M.2 SSDs are faster than the PM983 in term of simply comparison, but I wanted a reliability-oriented product to protect my data or avoid unreasonable troubles. Then, I had found seller tested used one approximate at 10000 yen on ebay, so I had to order it. I could also get a brand-new PM963 or PM953 series at the same price, but their performances are distinct different with PM983. I think it was pretty good deal. The specs is bellow:
* Sequential access speed
* Read 3000MB/s
* Write 1050MB/s
* Random access speed
* Read 400000 IOPS
* Write 40000 IOPS
* 1.3 DWPD (TBW=1366TB)
* TLC (3bit MLC VNAND)
I'd ordered the SSDs on 2nd September, and received them on 14th. They looked good. Their written bytes were less than 1TB. I can say the overall quality is good.
===== Crystal Disk Mark 6.0.2 x64 =====
^ 1GB | {{ :blog:2019:mzqlb960hajr-00007_cdm_1g_pcie3.png |}} |
CrystalDiskMark 6.0.2 x64 (C) 2007-2018 hiyohiyo
Sequential Read (Q= 32,T= 1) : 3477.878 MB/s
Sequential Write (Q= 32,T= 1) : 1343.090 MB/s
Random Read 4KiB (Q= 8,T= 8) : 1420.408 MB/s [ 346779.3 IOPS]
Random Write 4KiB (Q= 8,T= 8) : 1031.596 MB/s [ 251854.5 IOPS]
Random Read 4KiB (Q= 32,T= 1) : 284.364 MB/s [ 69424.8 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 249.212 MB/s [ 60842.8 IOPS]
Random Read 4KiB (Q= 1,T= 1) : 47.538 MB/s [ 11606.0 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 144.743 MB/s [ 35337.6 IOPS]
Test : 1024 MiB [G: 0.0% (0.1/894.2 GiB)] (x5) [Interval=0 sec]
Date : 2019/09/15 22:02:39
OS : Windows 10 Professional [10.0 Build 18362] (x64)
SAMSUNG MZQLB960HAJR-00007 (PCIe 3.0)
|
^ 32GB | {{ :blog:2019:mzqlb960hajr-00007_cdm_32g_pcie3.png |}} |
CrystalDiskMark 6.0.2 x64 (C) 2007-2018 hiyohiyo
Sequential Read (Q= 32,T= 1) : 3474.642 MB/s
Sequential Write (Q= 32,T= 1) : 1156.368 MB/s
Random Read 4KiB (Q= 8,T= 8) : 1423.327 MB/s [ 347491.9 IOPS]
Random Write 4KiB (Q= 8,T= 8) : 388.278 MB/s [ 94794.4 IOPS]
Random Read 4KiB (Q= 32,T= 1) : 291.644 MB/s [ 71202.1 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 172.880 MB/s [ 42207.0 IOPS]
Random Read 4KiB (Q= 1,T= 1) : 47.276 MB/s [ 11542.0 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 136.357 MB/s [ 33290.3 IOPS]
Test : 32768 MiB [G: 0.0% (0.1/894.2 GiB)] (x5) [Interval=0 sec]
Date : 2019/09/15 22:03:08
OS : Windows 10 Professional [10.0 Build 18362] (x64)
SAMSUNG MZQLB960HAJR-00007 (PCIe 3.0)
|
===== AS SSD Benchmark 2.0.6485.19676 =====
^ 1GB | {{ :blog:2019:mzqlb960hajr-00007_asssd_1g_pcie3.png |}} |
AS SSD Benchmark 2.0.6485.19676
------------------------------
Name: SAMSUNG MZQLB960HAJR-00007
Firmware: EDA5202Q
Controller: stornvme
Offset: 16384 K - OK
Size: 894.25 GB
Date: 2019/09/15 22:03:59
Note: MZQLB960HAJR-00007
------------------------------
Sequential:
------------------------------
Read: 2569.63 MB/s
Write: 1294.86 MB/s
------------------------------
4K:
------------------------------
Read: 41.92 MB/s
Write: 113.66 MB/s
------------------------------
4K-64Threads:
------------------------------
Read: 1365.31 MB/s
Write: 1254.64 MB/s
------------------------------
Access Times:
------------------------------
Read: 0.036 ms
Write: 0.034 ms
------------------------------
Score:
------------------------------
Read: 1664
Write: 1498
Total: 3951
------------------------------
|
AS SSD Benchmark 2.0.6485.19676
------------------------------
Name: SAMSUNG MZQLB960HAJR-00007
Firmware: EDA5202Q
Controller: stornvme
Offset: 16384 K - OK
Size: 894.25 GB
Date: 2019/09/15 22:04:22
Note: MZQLB960HAJR-00007
------------------------------
16MB
------------------------------
Read: 160.60 iops
Write: 80.93 iops
------------------------------
4K:
------------------------------
Read: 10731 iops
Write: 29098 iops
------------------------------
4K-64Threads:
------------------------------
Read: 349520 iops
Write: 321189 iops
------------------------------
512B
------------------------------
Read: 27858 iops
Write: 29645 iops
------------------------------
Score:
------------------------------
Read: 1664
Write: 1498
Total: 3951
------------------------------
|
^ 10GB | {{ :blog:2019:mzqlb960hajr-00007_asssd_10g_pcie3.png |}} |
AS SSD Benchmark 2.0.6485.19676
------------------------------
Name: SAMSUNG MZQLB960HAJR-00007
Firmware: EDA5202Q
Controller: stornvme
Offset: 16384 K - OK
Size: 894.25 GB
Date: 2019/09/15 22:04:08
Note: MZQLB960HAJR-00007
------------------------------
Sequential:
------------------------------
Read: 2857.39 MB/s
Write: 1275.96 MB/s
------------------------------
4K:
------------------------------
Read: 41.43 MB/s
Write: 114.74 MB/s
------------------------------
4K-64Threads:
------------------------------
Read: 955.91 MB/s
Write: 687.14 MB/s
------------------------------
Access Times:
------------------------------
Read: 0.038 ms
Write: 0.344 ms
------------------------------
Score:
------------------------------
Read: 1283
Write: 929
Total: 2796
------------------------------
|
AS SSD Benchmark 2.0.6485.19676
------------------------------
Name: SAMSUNG MZQLB960HAJR-00007
Firmware: EDA5202Q
Controller: stornvme
Offset: 16384 K - OK
Size: 894.25 GB
Date: 2019/09/15 22:04:43
Note: MZQLB960HAJR-00007
------------------------------
16MB
------------------------------
Read: 178.59 iops
Write: 79.75 iops
------------------------------
4K:
------------------------------
Read: 10607 iops
Write: 29373 iops
------------------------------
4K-64Threads:
------------------------------
Read: 244714 iops
Write: 175909 iops
------------------------------
512B
------------------------------
Read: 26622 iops
Write: 2910 iops
------------------------------
Score:
------------------------------
Read: 1283
Write: 929
Total: 2796
------------------------------
|
A cache capacity on the SSD is unknown.
Its speed was stable in 1GB test as far as I tested it several times with CrystalDiskMark. However, in 32GB test, there were variation result particularly on write speed. It was because of a cache overflow, I guess. It slowed down to 60MB/s in the worst case of a 4K1T writing test.
For your information, a result the SSD connected with PCIe 2.0x4 is below:
{{:blog:2019:mzqlb960hajr-00007_cdm_1g_pcie2.png?350|}}{{:blog:2019:mzqlb960hajr-00007_cdm_32g_pcie2.png?350|}}
Initially I didn't know the reason why the SSD was slow because I didn't notice it was connected with that.