SDカードを極少USBリーダーに入れてデータディスクとして使っていたが、他用途でSDカードが必要となったので
そちらに回してしまった。
代わりにMacのデータディスクとしてSanDiskのUSBメモリを買ってみたのだが・・・
Results 8.82 System Info Xbench Version 1.3 System Version 10.6.8 (10K549) Physical RAM 2048 MB Model MacBookAir3,1 Drive Type SanDisk Cruzer Fit Disk Test 8.82 Sequential 14.83 Uncached Write 11.67 7.17 MB/sec [4K blocks] Uncached Write 8.86 5.01 MB/sec [256K blocks] Uncached Read 19.28 5.64 MB/sec [4K blocks] Uncached Read 51.69 25.98 MB/sec [256K blocks] Random 6.27 Uncached Write 8.60 0.91 MB/sec [4K blocks] Uncached Write 1.95 0.63 MB/sec [256K blocks] Uncached Read 606.90 4.30 MB/sec [4K blocks] Uncached Read 133.39 24.75 MB/sec [256K blocks]
うわ、遅！こりゃ失敗だったな。
ちなみにClass10 UHS-I対応のSDカードだと
Results 22.58 System Info Xbench Version 1.3 System Version 10.6.8 (10K549) Physical RAM 2048 MB Model MacBookAir3,1 Drive Type Generic- SD/MMC Disk Test 22.58 Sequential 20.70 Uncached Write 19.77 12.14 MB/sec [4K blocks] Uncached Write 18.96 10.73 MB/sec [256K blocks] Uncached Read 15.57 4.56 MB/sec [4K blocks] Uncached Read 38.95 19.58 MB/sec [256K blocks] Random 24.83 Uncached Write 8.50 0.90 MB/sec [4K blocks] Uncached Write 47.68 15.26 MB/sec [256K blocks] Uncached Read 510.40 3.62 MB/sec [4K blocks] Uncached Read 48.77 9.05 MB/sec [256K blocks]
