1. 제품 정보
SANDISK 사의 microSDHC 메모리 카드 입니다. 용량은 16GB (윈도우10에서 인식되는 사용 가능한 공간은 14.8GiB) 이구요. 2015년형으로 포장지에 SPEED up to 48 MB/s** 320x 라고 적혀 있습니다.
2. 벤치마크 결과
[N3010 노트북 리더기]
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CrystalDiskMark 5.1.2 x64 (C) 2007-2016 hiyohiyo
Crystal Dew World : http://crystalmark.info/
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* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes
Sequential Read (Q= 32,T= 1) : 19.791 MB/s
Sequential Write (Q= 32,T= 1) : 17.824 MB/s
Random Read 4KiB (Q= 32,T= 1) : 4.049 MB/s [ 988.5 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 1.839 MB/s [ 449.0 IOPS]
Sequential Read (T= 1) : 19.502 MB/s
Sequential Write (T= 1) : 17.196 MB/s
Random Read 4KiB (Q= 1,T= 1) : 3.419 MB/s [ 834.7 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 1.548 MB/s [ 377.9 IOPS]
Test : 1024 MiB [E: 0.0% (0.0/14.8 GiB)] (x5) [Interval=5 sec]
Date : 2016/07/29 15:56:07
OS : Windows 10 [10.0 Build 10586] (x64)
[Transcend Multi-Card Reader M3 - USB 2.0]
-----------------------------------------------------------------------
CrystalDiskMark 5.1.2 x64 (C) 2007-2016 hiyohiyo
Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes
Sequential Read (Q= 32,T= 1) : 19.189 MB/s
Sequential Write (Q= 32,T= 1) : 17.012 MB/s
Random Read 4KiB (Q= 32,T= 1) : 4.244 MB/s [ 1036.1 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 2.300 MB/s [ 561.5 IOPS]
Sequential Read (T= 1) : 18.873 MB/s
Sequential Write (T= 1) : 15.307 MB/s
Random Read 4KiB (Q= 1,T= 1) : 3.371 MB/s [ 823.0 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 2.126 MB/s [ 519.0 IOPS]
Test : 1024 MiB [G: 0.0% (0.0/14.8 GiB)] (x5) [Interval=5 sec]
Date : 2016/07/29 15:45:01
OS : Windows 10 [10.0 Build 10586] (x64)
[한성 노트북 BA45 3217 내장 리더기]
-----------------------------------------------------------------------
CrystalDiskMark 5.1.2 x64 (C) 2007-2016 hiyohiyo
Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes
Sequential Read (Q= 32,T= 1) : 25.086 MB/s
Sequential Write (Q= 32,T= 1) : 17.787 MB/s
Random Read 4KiB (Q= 32,T= 1) : 4.812 MB/s [ 1174.8 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 2.049 MB/s [ 500.2 IOPS]
Sequential Read (T= 1) : 27.264 MB/s
Sequential Write (T= 1) : 19.293 MB/s
Random Read 4KiB (Q= 1,T= 1) : 4.083 MB/s [ 996.8 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 1.621 MB/s [ 395.8 IOPS]
Test : 1024 MiB [] (x5) [Interval=5 sec]
Date : 2016/07/29 16:12:54
OS : Windows 10 [10.0 Build 10586] (x64)
세 리더기 모두에서 표기상 속도 48MB/s 는 나오지 않았습니다. 아무래도 USB 3.0 전용 리더기를 써야 해당 속도를 확인할 수 있을 듯 합니다.
NTFS 방식으로 포맷한 후에도 결과는 비슷합니다.
[N3010 - 내장Reader]
-----------------------------------------------------------------------
CrystalDiskMark 5.1.2 x64 (C) 2007-2016 hiyohiyo
Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes
Sequential Read (Q= 32,T= 1) : 19.815 MB/s
Sequential Write (Q= 32,T= 1) : 17.380 MB/s
Random Read 4KiB (Q= 32,T= 1) : 3.701 MB/s [ 903.6 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 1.831 MB/s [ 447.0 IOPS]
Sequential Read (T= 1) : 19.714 MB/s
Sequential Write (T= 1) : 17.406 MB/s
Random Read 4KiB (Q= 1,T= 1) : 3.461 MB/s [ 845.0 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 1.727 MB/s [ 421.6 IOPS]
Test : 1024 MiB [E: 0.3% (0.0/14.8 GiB)] (x5) [Interval=5 sec]
Date : 2016/07/29 17:37:48
OS : Windows 10 [10.0 Build 10586] (x64)