[心得]紅米上128GB microSDXC記憶卡+I/O速度測試消失
昨天入手1張SanDisk Ultra 128GB microSDXC Class10 UHS-I
https://farm8.staticflickr.com/7217/13917935482_bfa036d489_b.jpg

型號為SDSDQUA-128G-G46A
https://farm4.staticflickr.com/3788/13917934312_7bd9cc01dd_b.jpg





先裝到紅米上測試,已事先格式化成FAT32
紅米版本:eMMC = micron 3.64G (2014/01生產、MIUI JHBTWAH 13.0 穩定版)
https://farm8.staticflickr.com/7035/13940984655_7eb073709f_b.jpg






接著再把紅米當做讀卡機、接上USB2.0傳輸線做測試
CrystalDiskMark
用1000MB參數下去測速度有點異常,Seq Write變得非常慢
https://farm8.staticflickr.com/7123/13941041235_c942ce065b_o.png


改用Transcend TS-RDF5 USB 3.0讀卡機做測試
TS-RDF5 f/w:TS37
USB3.0主控:NEC/Renesas μPD720202
USB3.0 f/w:V2.0.2.4
USB3.0 driver:V3.0.23.0
CrystalDiskMark
接在讀卡機上速度就正常許多了
https://farm4.staticflickr.com/3744/13917936732_7e7c9efe01_o.png


目前這張TF卡的價格不便宜,售價足以買一台紅米了
Ultra系列性能非常普通,若要高速版的話等Extreme系列上市吧
對於大容量儲存空間有興趣者可以嘗試看看
當然定期備份是不可少的...若卡片掛掉可是一次損失128G呢
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※ 編輯: glen246 (218.161.59.234), 04/20/2014 07:11:16
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