SAMSUNG PM983 960GBのベンチマーク
SAMSUNGのエンタープライズ向けSSD、PM983シリーズの960GBモデルMZQLB960HAJR-00007がやってきた。宅内ネットワークの40GbE化により、サーバのストレージがSATAのSSDでは物足りなくなったため、うっかりポチってしまった。
速度的には最近のM.2なSSDの方が速かったりするんだけど、少しくらい遅くてもエンプラ向けの高信頼品が欲しかったのですよ。で、eBay見てたら販売店テスト済みの中古品が1万円弱だったので2台買っちゃった。PM963, PM953あたりなら同価格で新古品がそこそこ出回ってるようだが、中古とはいえPM983が1万円はなかなかのお買い得品。スペックは以下の通り。
- シーケンシャル
- Read 3000MB/s
- Write 1050MB/s
- ランダム
- Read 400000 IOPS
- Write 40000 IOPS
- 1.3 DWPD (TBW=1366TB)
- TLC (3bit MLC VNAND)
9/2に注文して受け取れたのは9/14。届いたモノは、綺麗な外観の書き込み量は1TB弱で、中古としては上々と言える。
Crystal Disk Mark 6.0.2 x64
| 1GB |  | 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 |  | 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 |  | 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 |  | 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 ------------------------------ |
搭載キャッシュ容量は不明。
Crystal Disk Markを何度か試した限り、テストサイズ1GiBの時は測定のブレも少なく安定した結果が得られるが、32GiBでは特に書き込み速度で測定結果のバラつきが見られた。恐らくキャッシュ溢れの影響だと思われる。ワーストケースでは4K1Tで60MB/sまで低下するのを確認している。
ちなみに、PCIe 2.0x4で接続した場合は↓こんな感じ。
当初、PCIe 2.0スロットに挿してたのに気付かず「Sequential Read: (960GB) Up to 3000 MB/sって書いてあったけどこんなもんか…」と思ったのは内緒。
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