Back2Gaming is back with another Silicon Power product with their SP Superior SDXC Memory Card. At 64GB, this SDXC UHS-I Class 10 card is a beast but let’s see actual performance show us what it can do.

Read the full review here.



  • Capture high-quality images and extended lengths of stunning 1080p full-HD video  with any SD UHS-1 compatible DSLR, camera, HD camcorder, 3D camera
  • Powerful Transfer speeds, reducing lag time while photo-shooting:
  • Superior series:
    • up to 85/40 MB/s in reading and writing (SDXC UHS-1);*
    • up to 90/45 MB/s reading and writing (SDHC UHS-1) *
  • Class 10 video recording performance **
  • Getting 10 more photos in consecutive shooting in JPEG by a UHS-1 supported device ***
* Transfer rates may vary, depending on system platform / software / interface and SD card capacity.** These capacities only come in a UHS-1, meaning they have a data transfer rate of 12MB/s***The result may vary, due to the differences of devices and conditions.