Цена/ скорость работы.
32 ГБ, куплена в июне 2015 г. за 630 руб. На упаковке надпись Qumo SDHC Card Class 10 UHS-I U1, скорость чтения/записи - 60/20 МБ/с, а на самой карточке надписи другие - U3, 80/35 MB/s Read/Write! И скорости работы действительно очень высокие: ----------------------------------------------------------------------- CrystalDiskMark 3.0.4 x64 (C) 2007-2015 hiyohiyo Crystal Dew World : http://crystalmark.info/ ----------------------------------------------------------------------- * MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s] Sequential Read : 91.833 MB/s Sequential Write : 43.558 MB/s Random Read 512KB : 85.053 MB/s Random Write 512KB : 28.733 MB/s Random Read 4KB (QD=1) : 6.006 MB/s [ 1466.4 IOPS] Random Write 4KB (QD=1) : 1.097 MB/s [ 267.8 IOPS] Random Read 4KB (QD=32) : 8.200 MB/s [ 2002.0 IOPS] Random Write 4KB (QD=32) : 1.037 MB/s [ 253.1 IOPS] Test : 100 MB [J: 2.3% (0.7/29.9 GB)] (x1) -------- Новый тест: ----------------------------------------------------------------------- CrystalDiskMark 4.0.3 x64 (C) 2007-2015 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) : 87.978 MB/s Sequential Write (Q= 32,T= 1) : 44.568 MB/s Random Read 4KiB (Q= 32,T= 1) : 8.323 MB/s [ 2032.0 IOPS] Random Write 4KiB (Q= 32,T= 1) : 1.574 MB/s [ 384.3 IOPS] Sequential Read (T= 1) : 87.453 MB/s Sequential Write (T= 1) : 43.616 MB/s Random Read 4KiB (Q= 1,T= 1) : 6.874 MB/s [ 1678.2 IOPS] Random Write 4KiB (Q= 1,T= 1) : 1.099 MB/s [ 268.3 IOPS] Test : 100 MiB [J: 2.3% (0.7/29.9 GiB)] (x1) Date : 2015/07/24 19:08:16 OS : Windows 8.1 Pro [6.3 Build 9600] (x64)
