Lexar Professional 1667x SDXC Card - 64GB

UHS-II is a newer interface that offers significantly faster read and write speeds compared to UHS-I. It utilizes an extra row of pins to achieve these higher performance levels.

Yes, to achieve the maximum read speeds of 250MB/s, you need a UHS-II compatible SD card reader. The card will work in UHS-I readers but at reduced speeds.

Yes, with a Video Speed Class of V60 and UHS Speed Class 3 (U3), this card is well-suited for recording 1080p Full-HD, 3D, and 4K video.

'1667x' refers to the maximum read speed, which is approximately 1667 times the speed of the base SD standard (1667 x 0.15 MB/s = 250MB/s).

For many professional photographers and videographers, 64GB provides a good balance of capacity and affordability. However, for extensive 4K video projects or very high-resolution RAW shooting, larger capacities might be necessary.

You can format the card using the formatting utility provided by your camera or camcorder, or by using the Disk Management tool on Windows or Disk Utility on macOS. It is recommended to format the card in the device you primarily use it with.

Lexar typically offers a limited lifetime warranty on their Professional line of memory cards. Please refer to the official Lexar website or product packaging for the most current warranty details.

Ensure the card is fully inserted. Check if the device's firmware is up-to-date. Try the card in a different device or reader. Format the card using the device you intend to use it with (note: this erases all data).

Verify you are using a UHS-II compatible card reader connected to a USB 3.0 or higher port. Ensure the device you are transferring to has sufficient speed. Check the card's write speed rating (90MB/s) for limitations.

This could indicate a corrupted file, a failing card, or an issue with the host device/reader. Try transferring files individually. If the issue persists, back up any recoverable data and consider replacing the card.

Ensure the card is not set to read-only (though SDXC cards don't have physical write-protect switches, some software can simulate this). Format the card to clear space, backing up data first. Check file system limitations if transferring extremely large single files.