Welcome: Shenzhen Topfine Technology Co., Limited
  +8618503010298  David@topfine1.com   AM 8:00 - PM 18:00

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What is a true quality memory card ?

For Valued Customers:

About writing and reading speed ( USB 3.0 reader Test Result) :

8GB U1 Class10 speed == Above 10 MB/s = SDHC

16GB U1 Class10 speed == Max Read speed to 48 MB/s = SDHC

32GB U1 Class10 speed == Max Rread speed to 60 MB/s = SDHC

64GB U3 Class10 speed == Max Rread speed to 80 MB/s = SDXC

128GB U3 Class10 speed == Max Rread speed to 80 MB/s = SDXC

The above test data are based on the (ATTO Disk Benchmark) test results.

The actual test speed should be based on the level of the card reader or computer excuse.

Ask the buyer to test in the highest possible way.Use USB 3.0 card reader.

And the USB3.0 port for the computer.

(please dont use usb 2.0 card reader to test our card speed ,we have high quality usb 3.0 card reader meet this standard you can buy our card reader .)

About capacity:

8GB=approximately 6.9GB-7.3GB
16GB=approximately 14GB-15GB

32GB=approximately 28GB-30GB

64GB=approximately 58GB-60GB

128GB=approximately 116GB-120GB


Contact: David XI

Phone: +8618503010298

Tel: +8618503010298

Email: David@topfine1.com

Add: 3rd Industrial Park, Bantian, Longgang, Shenzhen, Guangdong, China 518000