Customer reviews from Samsung US
Samsung - microSDXC T9 512GB, Read/Write Speeds Up to 200/130 MB/s (MB-MH512T/WW)
Average customer rating
4.8
(229 Reviews)
Rating breakdown 229 reviews
5 Stars
192
4 Stars
28
3 Stars
6
2 Stars
2
1 Star
1
99%of customers recommend this product.
(
142 out of
143)
Customer Reviews for Samsung - microSDXC T9 512GB, Read/Write Speeds Up to 200/130 MB/s (MB-MH512T/WW)
Customer Rating
5
Small card but mighty
on July 7, 2026
Posted by: karenlanois
from Ligonier
[This review was collected as part of a promotion.] Love this memory card. I popped it into my doorbell cam and it’s been storing every file and video without a problem. Transferring everything to my PC was quick and easy too. I’m already planning to buy another one. The extra space is amazing.
I would recommend this to a friend!
Written by a customer while visiting The Insiders
Customer Rating
5
Works great
on July 7, 2026
Posted by: CuriousGeorge1
from Austin
[This review was collected as part of a promotion.] I put the Samsung T9 in an Insta360 x5 360 camera and it is working great in there. The card speeds keep up perfectly with the 8k recording. I had tried a different card before this one and i got nothing but errors from the other card because it couldn't handle the required speed. This card is exactly what was needed, it works perfectly.
I would recommend this to a friend!
Written by a customer while visiting The Insiders
Customer Rating
5
Fast Gaming Performance
on July 7, 2026
Posted by: Mattdzi
from Swansboro
[This review was collected as part of a promotion.] I've been using this 128GB microSDXC card primarily for my handheld gaming consoles, and it has been a fantastic addition to my setup. As someone who spends a lot of free time gaming, I needed a reliable option for expanding my library space so I don't have to keep deleting and re-downloading my favorite titles. The performance upgrade is the best part. The load times are noticeably faster thanks to the fast read and write speeds, which means I spend way less time staring at loading screens and more time actually playing. Even during long, demanding gaming sessions, it keeps up perfectly without any stuttering or lag. For anyone who hasn't used a high-performance card like this before, it is completely plug-and-play and works right out of the box with Android phones or handheld devices. It feels durable, and knowing it has built-in protection against drops and magnets gives me some extra peace of mind when I'm traveling with my gear. Overall, it's a reliable, speedy card that does exactly what a gamer needs it to do.
I would recommend this to a friend!
Written by a customer while visiting The Insiders
Customer Rating
5
Takes a licking and still ticking
on July 7, 2026
Posted by: Sean
from Az
Expertise:Intermediate
[This review was collected as part of a promotion.] The speed of the drive was second to none and the durability is fantastic I am a mechanic and keep files on this drive and thru the day I bang my legs with it in my pocket and it's still working great
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
T9 512gb review
on July 6, 2026
Posted by: Anonymous
from Bordeaux, France
Expertise:Intermediate
[This review was collected as part of a promotion.] I’m very satisfied with this 512GB microSD card. The speed is excellent, making file transfers quick and smooth, and it performs very well when recording videos and storing large files. The capacity is exactly as advertised, providing plenty of space for photos, videos, and apps.
The card has been very reliable so far, with no data loss or performance issues. It also offers great compatibility, working perfectly with my smartphone, tablet, and camera without any setup. In terms of durability, it feels well-made and gives me confidence that my data is safe.
Overall, this is a high-quality microSD card with excellent performance and great value. I highly recommend it.
The card has been very reliable so far, with no data loss or performance issues. It also offers great compatibility, working perfectly with my smartphone, tablet, and camera without any setup. In terms of durability, it feels well-made and gives me confidence that my data is safe.
Overall, this is a high-quality microSD card with excellent performance and great value. I highly recommend it.
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
Durability and Reliable
on July 6, 2026
Posted by: XtraMental
from Benson, AZ
Expertise:Intermediate
[This review was collected as part of a promotion.] I used this card during a recent trip where I was constantly bouncing between devices—capturing 4K video on my action camera, offloading RAW photos from my laptop, and even loading a few games on my handheld console. Before this card, transferring large video files was painfully slow, and I constantly worried about running out of space.
With the T9, everything changed. I could record extended 4K clips without a single buffer warning, and offloading footage to my laptop took a fraction of the time it used to. The 128GB capacity was the sweet spot—enough room for hours of footage and plenty of games, without being overkill.
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
Haney little SD Card
on July 3, 2026
Posted by: BittyB
from Vancouver
[This review was collected as part of a promotion.] This SD card had plenty of storage and it's small capacity with fast transfer speeds and I appreciate the brand name for the durability of it being a Samsung device. We used it in one of our switch devices to store video games on and it didn't give us any problems at all. Very happy with the purchase and the convenience of this little SD card. It has worked very well with quick transfer speeds in our family Nintendo switch, when moving games from internal to SD card memory.
I would recommend this to a friend!
Written by a customer while visiting The Insiders
Customer Rating
5
Good product
on July 3, 2026
Posted by: BeAuTiFuLdIsAsTeR
from Pinellas Park FL
Expertise:Intermediate
[This review was collected as part of a promotion.] Loads fast and easy to use. Compatible with most devices.
I would recommend this to a friend!
Features
5
Performance
5
Design
5
Value
5
Written by a customer while visiting Samsung US