点券价格：20
sdspeed 是一款Mac上的SD卡速度和稳定性检测工具，可以帮助我们检查测试SD卡的速度和稳定性，简单易用，很不错！
[sdspeed 在 Mac App Store上售价60元]
sdspeed - Software to verify the integrity of a flash SD Card sdspeed is the only product that measure the read and write rate and testing every bit of your SD memory card you can trust with no "conflict of interest".
软件截图：
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sdspeed for Mac 3.0.1