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
Excellent microSDXC Card for Switch Gaming
on July 2, 2026
Posted by: Roxylove25
[This review was collected as part of a promotion.] I've been using the Samsung microsdxc 128GB in my Nintendo Switch, and it's been working great. Game downloads, updates, and loading times are smooth, and I haven't experienced any crashes or performance issues. It offers plenty of space for a good-sized game library, and the transfer speeds are more than enough for everyday use on the Switch. If you're looking for a reliable, fast, and dependable microSDXC card for gaming, this one has been an excellent choice in my experience.
I would recommend this to a friend!
Written by a customer while visiting The Insiders
Customer Rating
5
Good specs.
on June 30, 2026
Posted by: Ttoia
from Matamoras,PA
Expertise:Intermediate
[This review was collected as part of a promotion.] Honestly works great and am satisfied. The storage capacity was good for my needs.
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
yes yes yes
on June 30, 2026
Posted by: Cmajor316
[This review was collected as part of a promotion.] Love it this was the best thing in the world to me.I love it so much.I would trade my own children for it
Written by a customer while visiting Samsung US
Customer Rating
5
T9 128 gb Sd card review
on June 30, 2026
Posted by: Gamerboy29
from Converse,TX
Expertise:Intermediate
[This review was collected as part of a promotion.] I've been using it for my switch 2 ever since December, and I like it. It doesn't corrupt, never fails to load any data, and I like how fast the download speeds are. 10/10 would recommend to others.
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
It has great features
on June 29, 2026
Posted by: Margy36
[This review was collected as part of a promotion.] Help review all products and shows us features on the phone.. its all so fast n the speed is great
Written by a customer while visiting Samsung US
Customer Rating
5
Great fetures
on June 27, 2026
Posted by: Mtownes
[This review was collected as part of a promotion.] I loved it so much great proformance and overall a great product
Written by a customer while visiting Samsung US
Customer Rating
2
Despit capacit
on June 27, 2026
Posted by: Samsamsung
Expertise:Intermediate
[This review was collected as part of a promotion.] Its been pretty decent to me considering the age and the capacity id say it works awesome
Features
2
Performance
5
Design
3
Value
5
Response from Samsung USBy Samsung Brand Ambassador, June 29, 2026
Samsamsung,
Thanks for sharing your thoughts. If there's anything we can do to improve your experience, please reach Samsung Support at:
1) Call: 1-800-SAMSUNG (ask for Storage Devices)
Available 9AM – 12AM EST (Mon-Fri)
2) Email: samsungmemorysupport@sea.samsung.com
3) LiveChat 9AM-9PM EST (Mon-Fri) -- https://www.livehelpnow.net/lhn/lcv.aspx?d=34834&ms=&zzwindow=0&lhnid=29783
~Samsung Pro
Thanks for sharing your thoughts. If there's anything we can do to improve your experience, please reach Samsung Support at:
1) Call: 1-800-SAMSUNG (ask for Storage Devices)
Available 9AM – 12AM EST (Mon-Fri)
2) Email: samsungmemorysupport@sea.samsung.com
3) LiveChat 9AM-9PM EST (Mon-Fri) -- https://www.livehelpnow.net/lhn/lcv.aspx?d=34834&ms=&zzwindow=0&lhnid=29783
~Samsung Pro
Written by a customer while visiting Samsung US
Customer Rating
5
Built to last
on June 27, 2026
Posted by: StickyNicky
from Loudon TN
[This review was collected as part of a promotion.] Can't beat Samsung's quality and durability. Samsung was my first cell phone back in 2000 or so. I haven't found any android that compares. The SD card is very important if backing critical documents or files. I need to know its safe, with Samsung, i know it is. Thanks for the great products!
I would recommend this to a friend!
Features
5
Performance
5
Design
4
Value
4
Written by a customer while visiting Samsung US