SAMSUNG Memory Card Micro SD 256GB128GB SDHC SDXC Grade EVO+ EVO Class 10 C10 UHS TF Trans Flash Microsd

Features:

128GB U3 Class10 speed == Max Rread speed to 100MB/s = SDXC

About capacity:

128GB=approximately 115GB-119GB

Speed：

Sequential Read Speed: Up to 100MB/s

Sequential Write Speed: Up to 90MB/s

Read : up to 100MB/s with UHS-1 interface Write : up to 90MB/s with UHS-1 interface * The foregoing read & write speeds are demonstrated by internal test conducted under certain controlled conditions, and actual speeds may vary depending upon usage and other conditions. For products incompatible with UHS-I interface, the speeds may vary subject to different interface conditions

Tips：

How to verify the Capacity and Speed of the memory card?

1). Please use quality USB 3.0 card reader to verify all memory card by H2testw on PC. Real memory card should pass H2testw with no error.

2). Please don't use cheap card reader to test Micro SD card, speed of Micro SD card will be reduced by low quality card reader.

3). Micro SD memory card speed is greatly affected by card reader and the capacity you choose , USB port ect. Low quality device will 100% slow down card speed,1MB=1000KB.