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Overview
ProMaster 256GB SDHC 677X Advanced Memory Card
PROMASTER ADVANCED MEMORY CARDS offer excellent performance at an affordable price. Your camera will perform well in all modes including video at high resolutions thanks to the U3 design and fast read AND write speeds of Advanced Memory.Specifications:
256GB SDXC
V1 = 667X 90MB/s Write Speed
UHS-1 Speed class 3, U3
V30 Video speed class
Operating temperature range: 32 to 158F (0 to 70C)
REVIEWS
We're currently collecting product reviews for this item. In the meantime, here are some reviews from our past customers sharing their overall shopping experience.
4.9
Out of 5.0
Overall Rating
99%
of customers that buyfrom this merchant give
them a 4 or 5-Star rating.
April 29, 2025 by Kristina B. (United States)
“Would love an estimated delivery date on the pre-purchase and post purchase pages.”
Response from rockbrookcamera.com:
Hi Kristina, thanks for your review and we appreciate your feedback. We definitely have this on our wish list for the site for the future. Thanks for supporting small business!
April 28, 2025 by Jansel E. (United States)
“Good”
April 28, 2025 by tom B. (United States)
“just what I needed, and on sale!!!”
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