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
(117 Reviews)
Rating breakdown 117 reviews
5 Stars
103
4 Stars
7
3 Stars
5
2 Stars
2
1 Star
0
100%of customers recommend this product.
(
80 out of
80)
Customer Reviews for Samsung - microSDXC T9 512GB, Read/Write Speeds Up to 200/130 MB/s (MB-MH512T/WW)
Customer Rating
5
Compatible, Reliable, and Fast
on July 8, 2026
Posted by: Jrollins1
from Winnsboro
[This review was collected as part of a promotion.] I have been very pleased with the performance of the Samsung T9 microSDXC 128GB. The speeds are fast, consistent, and the upload and download speeds are great! The capacity of the disk is as specified and is compatible with all of my devices. It is primarily used to store my digital creations and photos. I am very pleased with this product and would definitely recommend it.
I would recommend this to a friend!
Written by a customer while visiting The Insiders
Customer Rating
5
Great little powerful microSDXC memory card
on July 8, 2026
Posted by: Zim22
from Valparaiso
[This review was collected as part of a promotion.] I decided to use this microSDXC card in my Digital SLR and it works fantastic. It responds quickly and allowed me to take as many pictures as I needed for the day. I took over 275 photos and there was still plenty of room. After using this microSDXC card in my camera, I will be using it in my dash cam.
I would recommend this to a friend!
Written by a customer while visiting The Insiders
Customer Rating
3
MicroSD cArd- 128GB
on July 9, 2026
Posted by: Anonymous
from Cookeville, TN
Expertise:Intermediate
My SdmD card is pretty dang amazing! I keep my SD card in n my camera, the speed is pretty good and reliable, it's compatible with my Android phone and Im also able to hook it up to my TV! It surprised me with how much capacity and its SOOO very durable!
HIGHLY RECOMMEND!
HIGHLY RECOMMEND!
I would recommend this to a friend!
Features
4
Performance
5
Design
4
Value
5
Response from Samsung USBy Samsung Brand Ambassador, July 9, 2026
Mikebohart,
We appreciate you sharing your thoughts. If there's anything we can do to improve your experience with the T9 microSD card, 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
We appreciate you sharing your thoughts. If there's anything we can do to improve your experience with the T9 microSD card, 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
Samsung anything
on July 9, 2026
Posted by: SmaLLz
from Washington state
Expertise:Expert
Durable capacity compatibility any Samsung product is amazing doesn't matter what u get or have of theirs. Thanks samsung
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
long lasting memories from 2018 to 2026. love it
on July 9, 2026
Posted by: AlcheMy SkyTech
my 32GB KINGSTON data traveler WORKS AS I USE IT WITH ALL MY DEVICE AND HAVE NO ISSUES FOR ISSUES USING MY 128Gb SD card as it is old by so many years used FOR soon i plan updating memory to have in hope for helping my internet speed connection as i would love interneting better then before my Galaxys Samsung'D A17 B16 A15 ARE great devices to Andriod SOFTWARE using Google apps. a17 is always burning up super hot with a battery that seems to die faster then it takes charging as i struggle using my phone number i can't get this a17 one done as fast as iii simple built all my other projects.. i HAVE A COUPLE NEW DEVICES II HOPE BUILDS THE FINAL PIECE I PUZZLED FOR HOPE IT HELPS MY SON AS WELL OF OTHERS FOR LEARNING WITH A REASON AND CAUSE TO AFFEEEECTING ALL AGES SMART AS ONE TOGETHER BUILDING GREAT IDEAS INFINATELY. I LOVE my samsung technology as a clear glass pop out in 3D art i pixel crystal colors words. thank YOU Galaxy FOR HOW I Andriod on a Samsung color vision i depth veery well #AndriodDevo MY SAMSUNGS my favorite friend ii dont Ai with using to Ai me a real one. (i am not a robot) checkmark.
Written by a customer while visiting Samsung US
Customer Rating
3
Sauntrns option of voice
on July 10, 2026
Posted by: Tearz0fsaturn
from Edgewood tx
Expertise:Intermediate
After using the T9 microSDXC UHS-I 512GB card, I'm impressed with its overall performance. The speed has been consistently fast, with quick file transfers and smooth loading for photos, videos, and apps. In real-world use, it performs reliably without noticeable lag or delays.
The readability is excellent—every device I've tested recognized the card immediately with no issues. Compatibility has also been solid, working well with phones, tablets, cameras, and other devices that support microSDXC.
When it comes to durability, the card has held up well through everyday use and repeated transfers, giving me confidence that my files are safe. The 512GB capacity provides plenty of space for thousands of photos, hours of video, games, and important documents without constantly worrying about running out of storage.
Overall, the T9 microSDXC UHS-I 512GB offers a great balance of speed, reliability, compatibility, durability, and high capacity. Based on my experience, it's a dependable storage solution that performs well across the board.
Features
4
Performance
3
Design
3
Value
4
Response from Samsung USBy Samsung Brand Ambassador, July 13, 2026
Tearz0fsaturn,
Thanks for sharing your thoughts on the T9 microSD card. 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 on the T9 microSD card. 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
Review
on July 11, 2026
Posted by: Mott
from 13753 Susan Kay Drive, Apt A
Expertise:Expert
[This review was collected as part of a promotion.] would recommend great product with recommend to all customers.
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
Awesome storage
on July 11, 2026
Posted by: Katness Phoenix
from Avinger tx
Expertise:Intermediate
It held so many pictures andvideos .I love how its so tiny.
I would recommend this to a friend!
Features
5
Performance
5
Design
5
Value
5
Written by a customer while visiting Samsung US