The write speed was also better than advertised, reaching 143.5 MB/s sequential write speed in benchmark The highest sequential read speed wasĢ01.2 MB/s and proves the card is capable of operating above the 200MB/s read speed noted The 256GB Extreme Pro 200MB/s card was benchmarked in several memory card readers. SanDisk memory cards are covered by a lifetime waranty. The card reiewed here is the 256GB SDXC card. The 64 and 128GB cards offer 90MB/s write, while 256GB and larger capacities are 140MB/s write speed, according to SanDisk,Īnd dependent on the card reader or device used. The write speeds of the otherĬapacity cards varies by size. SanDisk still offers a 32GB Extreme Pro SDHC card which is rated at 100MB/s read and 90MB/s write speed. The Extreme Pro 200MB/s card is offered inĦ4, 128, 256, 512GB and 1TB capacities. Rating means the card can record at 30MB/s continuously for shooting 4K video. SanDisk Extreme Pro 200MB/s cards carry a Video Speed Class V30 rating, which is the highest available for a UHS-I card (V60 and V90 are limited to UHS-II/UHS-III cardsīy SD Association specification). Will operate at slower speeds, and in the best case this would be DR104 mode which has a maximum speed of 104MB/s. In older SD devices, including existing cameras, the card The increased speed is only supported in the most recent card readers. Is probably pushing a bit farther to DDR208. The technial term for pushing the bus speed to 200MB/s is DDR200 mode, and SanDisk The technology is not proprietary and other makers have begun to include it in their cards and readers. The clock speed beyond the typical 104MB/s to achieve higher bus rate. SanDisk coined the term QuickFlow for the technology that increases SanDisk touts the Professional PRO-READER SD card reader as the preferred device The 200MB/sĮnumeration denotes the read speed and requires the proper card reader to reach that speed. SanDisk has long used the Extreme Pro name on their top-level memory cards and the latest iteration is the Extreme Pro 200MB/s UHS-I SD card. SanDisk Extreme Pro 200MB/s 256GB SDXC Card Review Introduction
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