目次
SD メモリーカード
Secure Digital は、正式には SD と略され、ポータブルデバイスで使用するために SD Association (SDA) によって開発された独自の不揮発性メモリカードフォーマットである。
SD メモリーカード (エスディーメモリーカード、SD Memory Card) は、フラッシュメモリーに属するメモリーカードである。SD カードとも呼ばれる。デジタルカメラ、携帯電話などの携帯機器やテレビなどの家電機器まで幅広く利用されている。
SDメモリーカード - Wikipedia
SD card - Wikipedia より
ギャラリー: Category:Secure Digital - Wikimedia Commons
規格
フォームファクタ
データ容量
SD バスインターフェイス
スピードクラス
アプリケーションパフォーマンスクラス
参考
SD-Karte – Wikipedia (ドイツ語🤤)
SD card - Wikipedia (英語🤤)
SD規格の概要 | SD Association
SD規格ファミリー | SD Association
容量(SD/SDHC/SDXC/SDUC) | SD Association
バスインターフェーススピード | SD Association
スピードクラス | SD Association
SD メモリカードのロゴと規格について | SD Association
わかりやすいUHS-I スピードクラス1 U1 とUHS-I スピードクラス3 U3 の違い
File:Toshiba SD-M04G 20070817.jpg - Wikimedia Commons より
File:MiniSD memory card.jpg - Wikimedia Commons より
microSDHC メモリカード フラッシュストレージメディア - kingston.com
利用者:STS2657/sandbox/2 - Wikipedia
SD メモリーカードの属性情報
Linux Kernel では /sys/block のエントリで確認できるが、SPI 接続されているカードスロットでなければならないようだ。
linux - Can I read SD card serial number connected with USB card reader/writer as mounted sda? - Stack Overflow
USB 大容量ストレージデバイス (USB Mass Storage Device) として Kernel が認識している (sda など) SD カードリーダーでは、SD メモリーカードの属性情報にアクセスできない。
以下は Raspberry Pi Zero WH での SD メモリーカードの属性情報を読み出す Python コードである。
- read_sd_attr.py
#!/usr/bin/env python3 # -*- coding: utf-8 -*- import os APPLICATION_NAME = 'SD and MMC Block Device Attributes Reader' APPLICATION_VERSION = 0.02 SEPARATOR_LENGTH = 40 SYS_DEVICE = '/sys/block/mmcblk0/device' # https://mjmwired.net/kernel/Documentation/mmc/mmc-dev-attrs.txt SD_MMC_ATTRS = [ 'cid', # Card Identification Register 'csd', # Card Specific Data Register 'scr', # SD Card Configuration Register (SD only) 'date', # Manufacturing Date (from CID Register) 'fwrev', # Firmware/Product Revision (from CID Register) (SD and MMCv1 only) 'hwrev', # Hardware/Product Revision (from CID Register) (SD and MMCv1 only) 'manfid', # Manufacturer ID (from CID Register) 'name', # Product Name (from CID Register) 'oemid', # OEM/Application ID (from CID Register) 'prv', # Product Revision (from CID Register) (SD and MMCv4 only) 'serial', # Product Serial Number (from CID Register) 'erase_size', # Erase group size 'preferred_erase_size', # Preferred erase size 'raw_rpmb_size_mult', # RPMB partition size 'rel_sectors', # Reliable write sector count 'ocr', # Operation Conditions Register 'dsr', # Driver Stage Register 'cmdq_en', # Command Queue enabled: 1 => enabled, 0 => not enabled ] def cat(filename): with open(filename) as fp: result = fp.read() return result.replace('\n', '\\n') def main(): print('\n' + '=' * 5 + f' {APPLICATION_NAME} Ver {APPLICATION_VERSION} ' + '=' * 5) print(f'device: {SYS_DEVICE}') print('-' * SEPARATOR_LENGTH) for index, attr in enumerate(SD_MMC_ATTRS): path = os.path.join(SYS_DEVICE, attr) if os.path.isfile(path): if attr == 'oemid': hex_string = cat(path) ascii_string = bytes.fromhex(hex_string.replace('\\n', '')[2:]).decode('ASCII') print(f'{attr}: {hex_string} (\'{ascii_string}\')') else: print(f'{attr}: {cat(path)}') else: print(f'{attr}: None') print('-' * SEPARATOR_LENGTH) if __name__ == '__main__': main()
$ sudo apt install python3 $ curl -O https://www.tomoyan.net/_media/hardware/sd_memory_card/read_sd_attr.py $ chmod 755 read_sd_attr.py $ python3 read_sd_attr.py
===== SD and MMC Block Device Attributes Reader Ver 0.02 ===== device: /sys/block/mmcblk0/device ---------------------------------------- cid: 2750485344313238606cacbe1a01491f\n csd: 400e00325b590003a13f7f800a40000f\n scr: 0205808301000000\n date: 09/2020\n fwrev: 0x0\n hwrev: 0x6\n manfid: 0x000027\n name: SD128\n oemid: 0x5048\n ('PH') prv: None serial: 0x6cacbe1a\n erase_size: 512\n preferred_erase_size: 4194304\n raw_rpmb_size_mult: None rel_sectors: None ocr: 0x00200000\n dsr: 0x404\n cmdq_en: None ----------------------------------------
Linux Kernel Documentation :: mmc : mmc-dev-attrs.txt
Reading Internal SD Card Information CID, Serial number, PSN, date, manufacturer ID - Camera Memory Speed Comparison & Performance tests for SD and CF cards
android - How to read the SD Card ID number? - Stack Overflow
SD カードのオーバークロック
ベンチマーク
SD カードのモデル名称の記載は、SD アソシエーションの規格仕様書の解説順番に統一します。
(記載が無く不明な場合は省略する)
モデル名称の例 | ||||||
---|---|---|---|---|---|---|
メーカー名 | 容量 | フォームファクタ | スピードクラス | アプリケーション パフォーマンスクラス |
||
スピードクラス | UHS スピードクラス | ビデオスピードクラス | ||||
xxxMaker | 128GB | microSDXC | Class10 | UHS-I U3 | V30 | A1 |
SAMSUNG EVO Plus 128GB microSDXC UHS-I U3
===== SD and MMC Block Device Attributes Reader Ver 0.02 ===== device: /sys/block/mmcblk0/device ---------------------------------------- cid: 1b534d4544345154304a4957e60133f7\n csd: 400e00325b590003b9ff7f800a4040ab\n scr: 02c5800300000000\n date: 03/2019\n fwrev: 0x0\n hwrev: 0x3\n manfid: 0x00001b\n name: ED4QT\n oemid: 0x534d\n ('SM') prv: None serial: 0x4a4957e6\n erase_size: 512\n preferred_erase_size: 16777216\n raw_rpmb_size_mult: None rel_sectors: None ocr: 0x00200000\n dsr: 0x404\n cmdq_en: None ----------------------------------------
------------------------------------------------------------------------------ CrystalDiskMark 8.0.4 x64 (C) 2007-2021 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] SEQ 1MiB (Q= 8, T= 1): 97.675 MB/s [ 93.2 IOPS] < 85027.89 us> SEQ 1MiB (Q= 1, T= 1): 94.687 MB/s [ 90.3 IOPS] < 11056.47 us> RND 4KiB (Q= 32, T=16): 6.574 MB/s [ 1605.0 IOPS] <131029.12 us> RND 4KiB (Q= 1, T= 1): 4.498 MB/s [ 1098.1 IOPS] < 908.83 us> [Write] SEQ 1MiB (Q= 8, T= 1): 88.265 MB/s [ 84.2 IOPS] < 93706.30 us> SEQ 1MiB (Q= 1, T= 1): 85.805 MB/s [ 81.8 IOPS] < 12195.18 us> RND 4KiB (Q= 32, T=16): 2.709 MB/s [ 661.4 IOPS] <200221.82 us> RND 4KiB (Q= 1, T= 1): 2.202 MB/s [ 537.6 IOPS] < 1856.70 us> Profile: Default Test: 1 GiB (x5) [F: 0% (0/119GiB)] Mode: [Admin] Time: Measure 5 sec / Interval 5 sec Date: 2022/03/10 9:09:19 OS: Windows 10 Professional [10.0 Build 19043] (x64)
$ cd C:\Tools\Ext2Fsd\Setup $ ./mke2fs -t ext4 d:
mke2fs 1.42.13 (17-May-2015) Press ENTER to format d: Creating filesystem with 31260160 4k blocks and 7815168 inodes Filesystem UUID: b5089389-3cbd-4e3e-a423-187df44f9db6 Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872 Allocating group tables: done Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done
消費電力 Kingston UHS-II SD Reader USB Device (USB 3.0)
CrystalDiskMark 時の SD Reader を含む microSD の最大消費電力
TeamGroup 128GB microSDXC Class10 UHS-I U3 V30 A1
===== SD and MMC Block Device Attributes Reader Ver 0.02 ===== device: /sys/block/mmcblk0/device ---------------------------------------- cid: 452d4220202020201014a11ed90149a9\n csd: 400e00325b590003ae077f800a400001\n scr: 0245844300000000\n date: 09/2020\n fwrev: 0x0\n hwrev: 0x1\n manfid: 0x000045\n name: \n oemid: 0x2d42\n ('-B') prv: None serial: 0x14a11ed9\n erase_size: 512\n preferred_erase_size: 4194304\n raw_rpmb_size_mult: None rel_sectors: None ocr: 0x00200000\n dsr: 0x404\n cmdq_en: None ----------------------------------------
------------------------------------------------------------------------------ CrystalDiskMark 8.0.4 x64 (C) 2007-2021 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] SEQ 1MiB (Q= 8, T= 1): 98.512 MB/s [ 93.9 IOPS] < 84269.78 us> SEQ 1MiB (Q= 1, T= 1): 96.388 MB/s [ 91.9 IOPS] < 10868.85 us> RND 4KiB (Q= 32, T=16): 7.407 MB/s [ 1808.3 IOPS] <130670.96 us> RND 4KiB (Q= 1, T= 1): 6.346 MB/s [ 1549.3 IOPS] < 643.91 us> [Write] SEQ 1MiB (Q= 8, T= 1): 55.455 MB/s [ 52.9 IOPS] <145373.45 us> SEQ 1MiB (Q= 1, T= 1): 52.610 MB/s [ 50.2 IOPS] < 19887.49 us> RND 4KiB (Q= 32, T=16): 4.298 MB/s [ 1049.3 IOPS] <176759.15 us> RND 4KiB (Q= 1, T= 1): 4.033 MB/s [ 984.6 IOPS] < 1013.87 us> Profile: Default Test: 1 GiB (x5) [F: 0% (0/118GiB)] Mode: [Admin] Time: Measure 5 sec / Interval 5 sec Date: 2022/03/16 11:18:19 OS: Windows 10 Professional [10.0 Build 19043] (x64)
消費電力 Kingston UHS-II SD Reader USB Device (USB 3.0)
CrystalDiskMark 時の SD Reader を含む microSD の最大消費電力
HIDISC 128GB microSDXC Class10 UHS-I U1
------------------------------------------------------------------------------ CrystalDiskMark 7.0.0 x64 (C) 2007-2019 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] Sequential 1MiB (Q= 8, T= 1): 98.764 MB/s [ 94.2 IOPS] < 84116.88 us> Sequential 1MiB (Q= 1, T= 1): 98.791 MB/s [ 94.2 IOPS] < 10607.01 us> Random 4KiB (Q= 32, T=16): 7.073 MB/s [ 1726.8 IOPS] <174815.60 us> Random 4KiB (Q= 1, T= 1): 6.635 MB/s [ 1619.9 IOPS] < 615.89 us> [Write] Sequential 1MiB (Q= 8, T= 1): 54.634 MB/s [ 52.1 IOPS] <151008.91 us> Sequential 1MiB (Q= 1, T= 1): 54.080 MB/s [ 51.6 IOPS] < 19339.41 us> Random 4KiB (Q= 32, T=16): 2.693 MB/s [ 657.5 IOPS] <212134.09 us> Random 4KiB (Q= 1, T= 1): 2.638 MB/s [ 644.0 IOPS] < 1549.78 us> Profile: Default Test: 1 GiB (x5) [Interval: 5 sec] <DefaultAffinity=DISABLED> Date: 2021/09/30 16:26:06 OS: Windows 10 Professional [10.0 Build 21322] (x64)
消費電力 Kingston UHS-II SD Reader USB Device (USB 3.0)
CrystalDiskMark 時の SD Reader を含む microSD の最大消費電力
KLEVV 128GB microSDXC Class10 UHS-I U3 A1
------------------------------------------------------------------------------ CrystalDiskMark 7.0.0 x64 (C) 2007-2019 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] Sequential 1MiB (Q= 8, T= 1): 98.730 MB/s [ 94.2 IOPS] < 84165.56 us> Sequential 1MiB (Q= 1, T= 1): 98.741 MB/s [ 94.2 IOPS] < 10608.46 us> Random 4KiB (Q= 32, T=16): 6.636 MB/s [ 1620.1 IOPS] <165210.29 us> Random 4KiB (Q= 1, T= 1): 6.078 MB/s [ 1483.9 IOPS] < 672.69 us> [Write] Sequential 1MiB (Q= 8, T= 1): 58.219 MB/s [ 55.5 IOPS] <141856.30 us> Sequential 1MiB (Q= 1, T= 1): 59.541 MB/s [ 56.8 IOPS] < 17281.55 us> Random 4KiB (Q= 32, T=16): 2.799 MB/s [ 683.3 IOPS] <221729.16 us> Random 4KiB (Q= 1, T= 1): 2.715 MB/s [ 662.8 IOPS] < 1506.50 us> Profile: Default Test: 1 GiB (x5) [Interval: 5 sec] <DefaultAffinity=DISABLED> Date: 2021/09/30 16:15:44 OS: Windows 10 Professional [10.0 Build 21322] (x64)
消費電力 Kingston UHS-II SD Reader USB Device (USB 3.0)
CrystalDiskMark 時の SD Reader を含む microSD の最大消費電力
TOSHIBA EXCERIA 32GB microSDHC Class10 UHS-I U3
===== SD and MMC Block Device Attributes Reader Ver 0.02 ===== device: /sys/block/mmcblk0/device ---------------------------------------- cid: 02544d554330443320e834cba100f2fb\n csd: 400e00325b590000e8ff7f800a4000af\n scr: 02b5840332022902\n date: 02/2015\n fwrev: 0x0\n hwrev: 0x2\n manfid: 0x000002\n name: UC0D3\n oemid: 0x544d\n ('TM') prv: None serial: 0xe834cba1\n erase_size: 512\n preferred_erase_size: 4194304\n raw_rpmb_size_mult: None rel_sectors: None ocr: 0x00200000\n dsr: 0x404\n cmdq_en: None ----------------------------------------
------------------------------------------------------------------------------ CrystalDiskMark 7.0.0 x64 (C) 2007-2019 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] Sequential 1MiB (Q= 8, T= 1): 97.552 MB/s [ 93.0 IOPS] < 85037.34 us> Sequential 1MiB (Q= 1, T= 1): 95.505 MB/s [ 91.1 IOPS] < 10957.39 us> Random 4KiB (Q= 32, T=16): 8.475 MB/s [ 2069.1 IOPS] <128238.92 us> Random 4KiB (Q= 1, T= 1): 5.920 MB/s [ 1445.3 IOPS] < 690.47 us> [Write] Sequential 1MiB (Q= 8, T= 1): 57.942 MB/s [ 55.3 IOPS] <142239.11 us> Sequential 1MiB (Q= 1, T= 1): 59.038 MB/s [ 56.3 IOPS] < 17703.84 us> Random 4KiB (Q= 32, T=16): 0.258 MB/s [ 63.0 IOPS] <645155.98 us> Random 4KiB (Q= 1, T= 1): 0.206 MB/s [ 50.3 IOPS] < 19796.31 us> Profile: Default Test: 1 GiB (x5) [Interval: 5 sec] <DefaultAffinity=DISABLED> Date: 2021/08/08 4:57:13 OS: Windows 10 Professional [10.0 Build 21322] (x64)
消費電力 Kingston UHS-II SD Reader USB Device (USB 3.0)
CrystalDiskMark 時の SD Reader を含む microSD の最大消費電力
消費電力 Kingston UHS-II SD Reader USB Device (USB 2.0)
Kingston 128GB microSDXC UHS-I U1 V30 A1
===== SD and MMC Block Device Attributes Reader Ver 0.02 ===== device: /sys/block/mmcblk0/device ---------------------------------------- cid: 2750485344313238606cacbe1a01491f\n csd: 400e00325b590003a13f7f800a40000f\n scr: 0205808301000000\n date: 09/2020\n fwrev: 0x0\n hwrev: 0x6\n manfid: 0x000027\n name: SD128\n oemid: 0x5048\n ('PH') prv: None serial: 0x6cacbe1a\n erase_size: 512\n preferred_erase_size: 4194304\n raw_rpmb_size_mult: None rel_sectors: None ocr: 0x00200000\n dsr: 0x404\n cmdq_en: None ----------------------------------------
------------------------------------------------------------------------------ CrystalDiskMark 8.0.4 x64 (C) 2007-2021 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] SEQ 1MiB (Q= 8, T= 1): 96.255 MB/s [ 91.8 IOPS] < 86278.26 us> SEQ 1MiB (Q= 1, T= 1): 95.358 MB/s [ 90.9 IOPS] < 10980.31 us> RND 4KiB (Q= 32, T=16): 4.918 MB/s [ 1200.7 IOPS] <162631.77 us> RND 4KiB (Q= 1, T= 1): 4.489 MB/s [ 1095.9 IOPS] < 910.64 us> [Write] SEQ 1MiB (Q= 8, T= 1): 45.848 MB/s [ 43.7 IOPS] <178594.61 us> SEQ 1MiB (Q= 1, T= 1): 47.132 MB/s [ 44.9 IOPS] < 22228.25 us> RND 4KiB (Q= 32, T=16): 3.761 MB/s [ 918.2 IOPS] <201406.74 us> RND 4KiB (Q= 1, T= 1): 2.887 MB/s [ 704.8 IOPS] < 1416.56 us> Profile: Default Test: 1 GiB (x5) [F: 0% (0/116GiB)] Mode: [Admin] Time: Measure 5 sec / Interval 5 sec Date: 2022/02/22 14:06:46 OS: Windows 10 Professional [10.0 Build 19043] (x64)
消費電力 Kingston UHS-II SD Reader USB Device (USB 3.0)
CrystalDiskMark 時の SD Reader を含む microSD の最大消費電力
消費電力 Kingston UHS-II SD Reader USB Device (USB 2.0)
SanDisk 128GB microSDXC Class10 UHS-I U1 A1 (read 120MB/s)
------------------------------------------------------------------------------ CrystalDiskMark 8.0.4 x64 (C) 2007-2021 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] SEQ 1MiB (Q= 8, T= 1): 125.470 MB/s [ 119.7 IOPS] < 66315.19 us> SEQ 1MiB (Q= 1, T= 1): 124.919 MB/s [ 119.1 IOPS] < 8380.61 us> RND 4KiB (Q= 32, T=16): 6.668 MB/s [ 1627.9 IOPS] <136064.42 us> RND 4KiB (Q= 1, T= 1): 5.913 MB/s [ 1443.6 IOPS] < 689.30 us> [Write] SEQ 1MiB (Q= 8, T= 1): 36.448 MB/s [ 34.8 IOPS] <224119.52 us> SEQ 1MiB (Q= 1, T= 1): 36.075 MB/s [ 34.4 IOPS] < 28921.61 us> RND 4KiB (Q= 32, T=16): 2.578 MB/s [ 629.4 IOPS] <223287.33 us> RND 4KiB (Q= 1, T= 1): 2.262 MB/s [ 552.2 IOPS] < 1807.40 us> Profile: Default Test: 1 GiB (x5) [F: 0% (0/119GiB)] Mode: [Admin] Time: Measure 5 sec / Interval 5 sec Date: 2022/02/22 10:48:56 OS: Windows 10 Professional [10.0 Build 19043] (x64)
消費電力 Kingston UHS-II SD Reader USB Device (USB 3.0)
CrystalDiskMark 時の SD Reader を含む microSD の最大消費電力
KIOXIA EXCERIA 256GB microSDXC Class10 UHS-I U1 (read 100MB/s)
------------------------------------------------------------------------------ CrystalDiskMark 8.0.4 x64 (C) 2007-2021 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] SEQ 1MiB (Q= 8, T= 1): 98.384 MB/s [ 93.8 IOPS] < 84353.74 us> SEQ 1MiB (Q= 1, T= 1): 96.815 MB/s [ 92.3 IOPS] < 10803.14 us> RND 4KiB (Q= 32, T=16): 6.741 MB/s [ 1645.8 IOPS] <127679.82 us> RND 4KiB (Q= 1, T= 1): 6.081 MB/s [ 1484.6 IOPS] < 672.20 us> [Write] SEQ 1MiB (Q= 8, T= 1): 37.497 MB/s [ 35.8 IOPS] <208935.39 us> SEQ 1MiB (Q= 1, T= 1): 35.227 MB/s [ 33.6 IOPS] < 29270.25 us> RND 4KiB (Q= 32, T=16): 4.433 MB/s [ 1082.3 IOPS] <162471.19 us> RND 4KiB (Q= 1, T= 1): 4.095 MB/s [ 999.8 IOPS] < 998.50 us> Profile: Default Test: 1 GiB (x5) [F: 0% (0/233GiB)] Mode: [Admin] Time: Measure 5 sec / Interval 5 sec Date: 2022/07/28 18:59:45 OS: Windows 10 Professional [10.0 Build 19043] (x64)
消費電力 Kingston UHS-II SD Reader USB Device (USB 3.0)
CrystalDiskMark 時の SD Reader を含む microSD の最大消費電力
KIOXIA EXCERIA 128GB microSDXC Class10 UHS-I U1 (read 100MB/s)
------------------------------------------------------------------------------ CrystalDiskMark 8.0.4 x64 (C) 2007-2021 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] SEQ 1MiB (Q= 8, T= 1): 98.311 MB/s [ 93.8 IOPS] < 84466.34 us> SEQ 1MiB (Q= 1, T= 1): 97.013 MB/s [ 92.5 IOPS] < 10780.22 us> RND 4KiB (Q= 32, T=16): 6.730 MB/s [ 1643.1 IOPS] <134938.65 us> RND 4KiB (Q= 1, T= 1): 6.073 MB/s [ 1482.7 IOPS] < 673.21 us> [Write] SEQ 1MiB (Q= 8, T= 1): 32.031 MB/s [ 30.5 IOPS] <254338.84 us> SEQ 1MiB (Q= 1, T= 1): 29.957 MB/s [ 28.6 IOPS] < 34741.53 us> RND 4KiB (Q= 32, T=16): 4.813 MB/s [ 1175.0 IOPS] <161301.57 us> RND 4KiB (Q= 1, T= 1): 4.448 MB/s [ 1085.9 IOPS] < 919.10 us> Profile: Default Test: 1 GiB (x5) [F: 0% (0/116GiB)] Mode: [Admin] Time: Measure 5 sec / Interval 5 sec Date: 2022/02/22 11:27:12 OS: Windows 10 Professional [10.0 Build 19043] (x64)
消費電力 Kingston UHS-II SD Reader USB Device (USB 3.0)
CrystalDiskMark 時の SD Reader を含む microSD の最大消費電力
消費電力 Kingston UHS-II SD Reader USB Device (USB 2.0)
ADATA 8GB microSDHC Class10 UHS-I U1
------------------------------------------------------------------------------ CrystalDiskMark 7.0.0 x64 (C) 2007-2019 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] Sequential 1MiB (Q= 8, T= 1): 96.448 MB/s [ 92.0 IOPS] < 86166.02 us> Sequential 1MiB (Q= 1, T= 1): 96.456 MB/s [ 92.0 IOPS] < 10856.99 us> Random 4KiB (Q= 32, T=16): 6.298 MB/s [ 1537.6 IOPS] <141063.60 us> Random 4KiB (Q= 1, T= 1): 5.940 MB/s [ 1450.2 IOPS] < 688.33 us> [Write] Sequential 1MiB (Q= 8, T= 1): 25.571 MB/s [ 24.4 IOPS] <316555.88 us> Sequential 1MiB (Q= 1, T= 1): 25.743 MB/s [ 24.6 IOPS] < 40529.21 us> Random 4KiB (Q= 32, T=16): 0.803 MB/s [ 196.0 IOPS] <400271.89 us> Random 4KiB (Q= 1, T= 1): 0.768 MB/s [ 187.5 IOPS] < 5309.21 us> Profile: Default Test: 1 GiB (x5) [Interval: 5 sec] <DefaultAffinity=DISABLED> Date: 2021/09/30 12:32:51 OS: Windows 10 Professional [10.0 Build 21322] (x64)
------------------------------------------------------------------------------ CrystalDiskMark 7.0.0 x64 (C) 2007-2019 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] Sequential 1MiB (Q= 8, T= 1): 96.436 MB/s [ 92.0 IOPS] < 86111.00 us> Sequential 1MiB (Q= 1, T= 1): 96.459 MB/s [ 92.0 IOPS] < 10857.97 us> Random 4KiB (Q= 32, T=16): 6.304 MB/s [ 1539.1 IOPS] <139298.60 us> Random 4KiB (Q= 1, T= 1): 5.954 MB/s [ 1453.6 IOPS] < 686.69 us> [Write] Sequential 1MiB (Q= 8, T= 1): 25.158 MB/s [ 24.0 IOPS] <321547.76 us> Sequential 1MiB (Q= 1, T= 1): 25.159 MB/s [ 24.0 IOPS] < 41467.05 us> Random 4KiB (Q= 32, T=16): 0.977 MB/s [ 238.5 IOPS] <384485.22 us> Random 4KiB (Q= 1, T= 1): 0.877 MB/s [ 214.1 IOPS] < 4664.83 us> Profile: Default Test: 1 GiB (x5) [Interval: 5 sec] <DefaultAffinity=DISABLED> Date: 2021/09/30 12:14:27 OS: Windows 10 Professional [10.0 Build 21322] (x64)
消費電力 Kingston UHS-II SD Reader USB Device (USB 3.0)
CrystalDiskMark 時の SD Reader を含む microSD の最大消費電力
Transcend 128GB MicroSDXC UHS-I U3 V30 A1
------------------------------------------------------------------------------ CrystalDiskMark 8.0.4 x64 (C) 2007-2021 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] SEQ 1MiB (Q= 8, T= 1): 98.598 MB/s [ 94.0 IOPS] < 84159.48 us> SEQ 1MiB (Q= 1, T= 1): 95.584 MB/s [ 91.2 IOPS] < 10943.48 us> RND 4KiB (Q= 32, T=16): 7.402 MB/s [ 1807.1 IOPS] <133354.21 us> RND 4KiB (Q= 1, T= 1): 6.225 MB/s [ 1519.8 IOPS] < 654.98 us> [Write] SEQ 1MiB (Q= 8, T= 1): 23.652 MB/s [ 22.6 IOPS] <340229.17 us> SEQ 1MiB (Q= 1, T= 1): 29.105 MB/s [ 27.8 IOPS] < 35781.28 us> RND 4KiB (Q= 32, T=16): 3.643 MB/s [ 889.4 IOPS] <179009.96 us> RND 4KiB (Q= 1, T= 1): 3.345 MB/s [ 816.7 IOPS] < 1222.22 us> Profile: Default Test: 1 GiB (x5) [F: 0% (0/113GiB)] Mode: [Admin] Time: Measure 5 sec / Interval 5 sec Date: 2022/02/28 13:13:31 OS: Windows 10 Professional [10.0 Build 19043] (x64)
au 32GB MicroSDHC Class10 UHS-I U1
------------------------------------------------------------------------------ CrystalDiskMark 8.0.4 x64 (C) 2007-2021 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] SEQ 1MiB (Q= 8, T= 1): 47.935 MB/s [ 45.7 IOPS] <171575.17 us> SEQ 1MiB (Q= 1, T= 1): 47.981 MB/s [ 45.8 IOPS] < 21827.37 us> RND 4KiB (Q= 32, T=16): 4.871 MB/s [ 1189.2 IOPS] <161570.49 us> RND 4KiB (Q= 1, T= 1): 4.179 MB/s [ 1020.3 IOPS] < 977.51 us> [Write] SEQ 1MiB (Q= 8, T= 1): 17.827 MB/s [ 17.0 IOPS] <442639.73 us> SEQ 1MiB (Q= 1, T= 1): 18.842 MB/s [ 18.0 IOPS] < 55255.44 us> RND 4KiB (Q= 32, T=16): 1.819 MB/s [ 444.1 IOPS] <243333.19 us> RND 4KiB (Q= 1, T= 1): 1.604 MB/s [ 391.6 IOPS] < 2549.01 us> Profile: Default Test: 1 GiB (x5) [F: 0% (0/30GiB)] Mode: [Admin] Time: Measure 5 sec / Interval 5 sec Date: 2022/03/04 9:35:19 OS: Windows 10 Professional [10.0 Build 19043] (x64)
Transcend 16GB microSDHC Class10
------------------------------------------------------------------------------ CrystalDiskMark 7.0.0 x64 (C) 2007-2019 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] Sequential 1MiB (Q= 8, T= 1): 24.074 MB/s [ 23.0 IOPS] <336350.42 us> Sequential 1MiB (Q= 1, T= 1): 24.091 MB/s [ 23.0 IOPS] < 43427.50 us> Random 4KiB (Q= 32, T=16): 4.482 MB/s [ 1094.2 IOPS] <176364.14 us> Random 4KiB (Q= 1, T= 1): 4.295 MB/s [ 1048.6 IOPS] < 951.28 us> [Write] Sequential 1MiB (Q= 8, T= 1): 12.373 MB/s [ 11.8 IOPS] <626136.93 us> Sequential 1MiB (Q= 1, T= 1): 11.534 MB/s [ 11.0 IOPS] < 90095.49 us> Random 4KiB (Q= 32, T=16): 0.959 MB/s [ 234.1 IOPS] <370025.75 us> Random 4KiB (Q= 1, T= 1): 0.889 MB/s [ 217.0 IOPS] < 4598.42 us> Profile: Default Test: 1 GiB (x5) [Interval: 5 sec] <DefaultAffinity=DISABLED> Date: 2021/09/30 14:12:18 OS: Windows 10 Professional [10.0 Build 21322] (x64)
------------------------------------------------------------------------------ CrystalDiskMark 7.0.0 x64 (C) 2007-2019 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] Sequential 1MiB (Q= 8, T= 1): 24.108 MB/s [ 23.0 IOPS] <336230.98 us> Sequential 1MiB (Q= 1, T= 1): 24.102 MB/s [ 23.0 IOPS] < 43426.85 us> Random 4KiB (Q= 32, T=16): 4.487 MB/s [ 1095.5 IOPS] <208138.05 us> Random 4KiB (Q= 1, T= 1): 4.282 MB/s [ 1045.4 IOPS] < 954.30 us> [Write] Sequential 1MiB (Q= 8, T= 1): 12.580 MB/s [ 12.0 IOPS] <616117.28 us> Sequential 1MiB (Q= 1, T= 1): 11.530 MB/s [ 11.0 IOPS] < 89132.66 us> Random 4KiB (Q= 32, T=16): 1.137 MB/s [ 277.6 IOPS] <334235.28 us> Random 4KiB (Q= 1, T= 1): 1.009 MB/s [ 246.3 IOPS] < 4050.58 us> Profile: Default Test: 1 GiB (x5) [Interval: 5 sec] <DefaultAffinity=DISABLED> Date: 2021/09/30 14:01:14 OS: Windows 10 Professional [10.0 Build 21322] (x64)
消費電力 Kingston UHS-II SD Reader USB Device (USB 3.0)
CrystalDiskMark 時の SD Reader を含む microSD の最大消費電力
SanDisk 2GB microSD
SILICON POWER 2GB microSD
===== SD and MMC Block Device Attributes Reader Ver 0.02 ===== device: /sys/block/mmcblk0/device ---------------------------------------- cid: 2750485344303247207c5000b800a111\n csd: 005e00325b5aa3b47fffff800a80004d\n scr: 0225000001000000\n date: 01/2010\n fwrev: 0x0\n hwrev: 0x2\n manfid: 0x000027\n name: SD02G\n oemid: 0x5048\n ('PH') prv: None serial: 0x7c5000b8\n erase_size: 512\n preferred_erase_size: 4194304\n raw_rpmb_size_mult: None rel_sectors: None ocr: 0x00200000\n dsr: 0x404\n cmdq_en: None ----------------------------------------
------------------------------------------------------------------------------ CrystalDiskMark 8.0.4 x64 (C) 2007-2021 hiyohiyo Crystal Dew World: https://crystalmark.info/ ------------------------------------------------------------------------------ * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s] * KB = 1000 bytes, KiB = 1024 bytes [Read] SEQ 1MiB (Q= 8, T= 1): 11.742 MB/s [ 11.2 IOPS] <667438.48 us> SEQ 1MiB (Q= 1, T= 1): 11.744 MB/s [ 11.2 IOPS] < 88618.76 us> RND 4KiB (Q= 32, T=16): 2.152 MB/s [ 525.4 IOPS] <235403.26 us> RND 4KiB (Q= 1, T= 1): 1.653 MB/s [ 403.6 IOPS] < 2471.24 us> [Write] SEQ 1MiB (Q= 8, T= 1): 2.096 MB/s [ 2.0 IOPS] <3296940.76 us> SEQ 1MiB (Q= 1, T= 1): 6.072 MB/s [ 5.8 IOPS] <168583.77 us> RND 4KiB (Q= 32, T=16): 0.015 MB/s [ 3.7 IOPS] <2226424.39 us> RND 4KiB (Q= 1, T= 1): 0.015 MB/s [ 3.7 IOPS] <260599.45 us> Profile: Default Test: 1 GiB (x5) [G: 0% (0/1895MiB)] Mode: [Admin] Time: Measure 5 sec / Interval 5 sec Date: 2022/03/02 0:27:34 OS: Windows 10 Professional [10.0 Build 19043] (x64)
SD カードリーダー
USB\VID_14CD&PID_1212 - microSD card reader (SY-T18) | Device Hunt
USB Flash Drive Speed Tests - VID = 14cd, PID = 1212
USB\VID_14CD - Super Top | Device Kb
参考文献
台湾Team製microSDカードがRaspberry Pi には最適
HOME PAGE OF MISHA CHERKES
利用者:STS2657/sandbox/2 - Wikipedia
https://nax9800.blog.fc2.com/blog-entry-158.html ← 警告: このサイト内の codegist.net に飛ばないで下さい❗
ブラウザーがフェイクアラートに感染しました‼😱😭😭😭😭😭
危険が指摘されたことを認識しつつも、デッドリックを飛べなくしてたとしても放置し続ける意図が理解できない❗
そのリンクは二度と復活しないし、被害者が駆除に要した損害をあなたは保証しないのだから😥
その為、意図的にリンクしていません。内容を見るだけであれば問題は発生しません。
私の頭がおかしい❓酷い❗被害を被った上に侮辱された😥
そんなサイト言われなくても二度と行かない😒
万が一感染しちゃったらこれを参考に駆除すれば特に問題はありません🤤 → このページの codegist.net に飛ばないでくださいね🧟 なんか呪われています😅💦 / Twitter
付録
遅いSDカードの時代は終わったのですねぇ😅💦SD ExpressでPCI Express(PCIe)仕様をベースに、NVMe Express(NVMe)プロトコルを利用とかも言われていますねぇ🤔 / Twitter
あれ❓TermさんのCrystalDiskMarkのデータが無い😭 / Twitter
Linuxなら、わずか2200円税込でも快適なマシンがさらに数で勝負出来ちゃう🥰SDカードオーバークロックしますけど😅 / Twitter
このサイト面白いけど飛ばないでくださいね😉ちょっとフェイクアラートを踏みに出かけています🤤同じURLに飛んでいるのに毎回違うURLに転送されますけど、読売や朝日の複製ページみたいですねぇ😁http://codegist*net/snippet/python/decode_sd_cidpy_mttronc_python / Twitter
つまり、過去に人気でアクセス量の多かったドメインを、悪徳業者はドメインが再購入可能になったら買い付けて、リンクしているページを利用して広告や詐欺誘導に悪用しているから放置できないってことです🤔理解できるかなぁ🤔悪徳業者に利用されていることを...🤔 / Twitter
ちなみに、この文献のインターネットアーカイブは存在していませんねぇ🤔誰もが必要とするようなコードではないので... codegist*netのアーカイブは2019年くらいまで何個か... だから、このURLを保持しておく価値は何もない😅💦http://codegist*net/snippet/python/decode_sd_cidpy_mttronc_python / Twitter
うちのはFAT32以外のNTFSでも初期化できる、スグレモノ?😅の鈍足容量偽装SDカードで...🤣