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Samy's Part #: S-031692
  • 64GB SDXC-UHS-I U3 CARD (90MB/S) Image 0
  • 64GB SDXC-UHS-I U3 CARD (90MB/S) Image 1
64GB SDXC-UHS-I U3 CARD (90MB/S) Thumbnail 0 64GB SDXC-UHS-I U3 CARD (90MB/S) Thumbnail 1
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Rate & Review


The Panasonic 64GB SDXC-UHS-I U3 Gold Series “SDUC” introduced by Panasonic can provide this UHS Speed Class 3 (U3) and is capable of stable and continuous real-time video recording at a minimum write speed of 30MB/s (240 Mbps). It can be used not only for unlimited 4K video recording in MOV/MP4 format, but is also capable of ultra high bitrate video recording at 200 Mbps (ALL-Intra) or 100 Mbps (IPB) for enabling smooth and beautiful high-quality video without the dropouts caused by an insufficient writing speed.

With products not compatible with UHS Speed Class 3, the Gold Series cards are compliant with UHS Speed Class 1 or Speed Class 10 with a constant minimum writing speed of 10 MB/s (80 Mbps). The stable writing performance ensures highly reliable recording of low bit-rate 4K videos as well as Full HD and standard videos. Further, the Gold Series cards are a perfect match for the New LUMIX-G “DMC-GH4”, which is capable of providing awesome video quality for unlimited expressiveness.

  • Ultra High Speed Transfer with UHS-I Bus Interface - The Gold Series can work with the UHS-I bus interface, which is capable of ultra high-speed read/write operations. When used with a UHS-I compliant product, the card can have a maximum read speed of 90MB/s and maximum write speed of 45MB/s. The high-speed read capability enables a smooth transfer from the SD card to a PC or tablet as well as quick preview on such products, while the high-speed writing capability is ideal for photo burst shooting by a D-SLR or D-SLM camera.
  • Tough and Long Lasting - The Gold Series offers long lasting data retention thanks to MLC flash memory, which is suitable for repetitive writing and offers long lasting data retention. The Gold Series is also equipped with the Proof 7 feature (water-, shock-, magnet-, X-ray-, electrostatic-, temperature-proof, and built-in fuse) to withstand severe conditions like those seen during heavy field use. Even if the internal destruction of the card occurs, the built-in fuse prevents it from overheating or igniting.
  • Under UHS-I bus interface - The speed shown in the table above is not possible with a non-compliant UHS-I device. In that case, high speed mode or default mode is implemented. The actual speed depends on devices and conditions.
  • Both the Speed Class and UHS Speed Class can only be implemented with Speed Class / UHS Speed Class compliant products.
  • The SDXC memory card can be used with products that comply with SDXC, and the SDHC memory card can be used with products that comply with both SDHC and SDXC.
  • The SD, SDHC and SDXC logo is a trademark of SD-3C, LLC.
Memory Cards Information
Memory Card Type SDXC-UHS-I U3
Capacity 64GB
Transfer Speed Read Speed 90 MB/s max, Write Speed 45 MB/s max
Class UHS Speed Class 3 (U3), Speed Class 10 (C10)
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