Customer reviews from Samsung US
Samsung - microSDXC T7 512GB, Transfer Speeds Up to 170 MB/s (MB-MB512T/WW)
Average customer rating
4.8
(253 Reviews)
Rating breakdown 253 reviews
5 Stars
212
4 Stars
36
3 Stars
4
2 Stars
1
1 Star
0
99%of customers recommend this product.
(
151 out of
153)
Customer Reviews for Samsung - microSDXC T7 512GB, Transfer Speeds Up to 170 MB/s (MB-MB512T/WW)
Customer Rating
4
Reliable Budget Storage With Decent Speed
on May 27, 2026
Posted by: MizzEmilette187
[This review was collected as part of a promotion.] The T7 microSDXC 128GB card is a good affordable storage option for everyday use. It works well for phones, tablets, Nintendo Switch systems, dash cams, and basic photography. File transfers are fairly quick for a UHS-I card, and the 128GB size gives plenty of room for apps, videos, and photos without costing too much.
The main downside is that it is not the fastest card available, so large file transfers or 4K video recording may take longer compared to higher-end cards. Some users may also prefer a more well-known premium brand for long-term reliability.
Overall, it’s a solid choice if you need extra storage at a reasonable price and don’t need professional-level speeds
The main downside is that it is not the fastest card available, so large file transfers or 4K video recording may take longer compared to higher-end cards. Some users may also prefer a more well-known premium brand for long-term reliability.
Overall, it’s a solid choice if you need extra storage at a reasonable price and don’t need professional-level speeds
Written by a customer while visiting Samsung US
Customer Rating
5
Great Memory Card
on May 26, 2026
Posted by: willsy455
from camp hill
[This review was collected as part of a promotion.] I am a big fan of Samsung products. I own TV's, tablets and multiple iterations of their phones. I also own some of their hard drives and a few memory cards. This memory card is faster and more reliable than some of the other ones that I've had in the past. It has very good access speed and the size was perfect for the device that I was putting it in. I actually have it in a front door security camera and it has increased my storage as well as my access time to the videos on the card.
I would recommend this to a friend!
Written by a customer while visiting The Insiders
Customer Rating
5
A Fast and Reliable Card for many uses
on May 25, 2026
Posted by: Ultimate12
from CHICAGO
[This review was collected as part of a promotion.] I got the Samsung T7 128gb micro SDXC card for my action camera since I wanted a card to be able to keep up with the demand of my camera while recording in 4k and it has worked great.
The card is very fast and it does well every time either recording or uploading or downloading videos from my card to the cloud or my computer.
I tried other cards and this one has done better, and taking pictures at fast speeds is just a breeze for this card too.
My laptop also has a micro SD Slot so I can transfer the videos and photos without the need of my camera and it does it even faster.
While traveling I like to have a few cards on hand since I like to take long videos and I like the size since it is not the smallest or the biggest. if I loose one card I do not loose everything, maybe just what was in that card.
Overall, I like the speed, it is reliable and I like it, It does not come with a case or an adapter, I have a case for all the cards and I also have adapters but just in case you need one, it does not come with it.
The card is very fast and it does well every time either recording or uploading or downloading videos from my card to the cloud or my computer.
I tried other cards and this one has done better, and taking pictures at fast speeds is just a breeze for this card too.
My laptop also has a micro SD Slot so I can transfer the videos and photos without the need of my camera and it does it even faster.
While traveling I like to have a few cards on hand since I like to take long videos and I like the size since it is not the smallest or the biggest. if I loose one card I do not loose everything, maybe just what was in that card.
Overall, I like the speed, it is reliable and I like it, It does not come with a case or an adapter, I have a case for all the cards and I also have adapters but just in case you need one, it does not come with it.
I would recommend this to a friend!
Written by a customer while visiting The Insiders
Customer Rating
5
Been a great add on.
on May 25, 2026
Posted by: Goodie2shoe
Expertise:Beginner
[This review was collected as part of a promotion.] It's been a great add on to help me with my other Samsung products and daily work flow.
I would recommend this to a friend!
Features
5
Performance
5
Design
5
Value
5
Written by a customer while visiting Samsung US
Customer Rating
5
Literal Life-saver
on May 25, 2026
Posted by: Lifesaver
[This review was collected as part of a promotion.] My husband bought me the Samsung Portable SSD T7, because we travel a lot and take a ton of pictures. I also had old pictures of my family that I wanted to keep safe. We have always trusted Samsung products and felt reassured buying this product to store our memories. It's compatible with the devices I use and I've been traveling with it all over the world and it has not been damaged.
Thank you!!
Thank you!!
Written by a customer while visiting Samsung US
Customer Rating
5
Great product!
on May 24, 2026
Posted by: Damoth5
[This review was collected as part of a promotion.] Awesome product. Plenty of space t0 save for my husband and I.
Written by a customer while visiting Samsung US
Customer Rating
5
Flawless so far
on May 22, 2026
Posted by: isskay
from Va
Expertise:Intermediate
[This review was collected as part of a promotion.] Bought this to finally upgrade my storage and stop deleting games to make room for updates. Setup was instant, the read speeds are excellent games boot up with zero lag. I've also recorded some 4K video clips directly to it and didn't experience a single dropped frame. It's fast, stable, and gives you a ridiculous amount of space. Just do it lol
I would recommend this to a friend!
Features
5
Performance
5
Design
5
Value
5
Written by a customer while visiting Samsung US
Customer Rating
4
Fast
on May 22, 2026
Posted by: Chris
from Texas
Expertise:Beginner
[This review was collected as part of a promotion.] I like the amount of storage it's fast and dependable
I would recommend this to a friend!
Features
4
Performance
4
Design
3
Value
3
Written by a customer while visiting Samsung US