SanDisk Extreme Pro SDUC 4TB SD card features
Western Digital’in SanDisk Extreme Pro SDUC 4TB SD card, Secure Digital Ultra Capacity (SDUC) supports the standard. Announced in 2018, the SDUC format increases the 2 TB limit of SDXC to 128 TB. In this way, it allows the use of SD cards over 2 TB. The card uses the Ultra High Speed-I (UHS-I) interface and Class 10 has a speed rating. Therefore It supports minimum 10 MB/s and maximum 104 MB/s data transfer speed. The card is also Video Speed Class V30 It also has a rating. This means the card’s minimum 30 MB/s sequential write speed supported and 8K video recording It means he can.
For now, Western Digital does not disclose the details of the NAND chip in the SanDisk Extreme Pro SDUC 4 TB SD card. Given the high capacity and 2025 release date, WD’s upcoming BiCS 9 NAND It may be one of the first products to use memory.
Although it wasn’t listed in WD’s official press release, the upcoming card is expected to be compatible with the UHS-I standard. It may support a mode that offers twice the normal speed via a double data rate signal. Western Digital’s current generation SanDisk Extreme Pro SDXC 1TB SD card supports this mode and Reading up to 170MB/s can reach speeds.
Western Digital did not make a statement about the price of the SanDisk Extreme Pro SDUC 4 TB SD card. However, it is certain that the card, which is a first in the industry, will not be cheap.
Source
https://www.westerndigital.com/company/newsroom/press-releases/2024/2024-04-11-western-digital-showcases-new-super-speeds-and-massive-capacities-at-nab-2024
https://www.anandtech.com/show/21349/western-digital-rollsout-4-tb-sd-card-worlds-highestcapacity
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