Samsung 128GB T9 Micro SD Memory Card UHS-1 / Class 10
MB-MH128T/WW
Product Overview
Key Features
- 128GB capacity
- Read speed up to 200mb/s
- Class 10, V30
- Grade 3 (U3)
Key Specifications
- Brand:
- Samsung
- Model Number:
- MB-MH128T/WW
- Storage Capacity:
- 128GB
- Speed Class:
- U3, V30, A2
- Read Speed (mbps):
- 200
- Write Speed (mbps):
- 130
- Type:
- Micro SD Card
Connections
- Connection Type:
- MicroSD
General Information
- Colour:
- Black
Warranty
- Manufacturer's Warranty:
- 3 Year
Connections
- Connection Type:
- MicroSD
Warranty
- Manufacturer's Warranty:
- 3 Year
Product Dimensions
- Product Height (mm):
- 11
- Product Width (mm):
- 15
- Product Depth (mm):
- 1
- Product Weight (g):
- 0.25
Box Dimensions
- Box Height (mm):
- 5
- Box Width (mm):
- 102
- Box Depth (mm):
- 153
- Box Weight (kg):
- 0
Product Reviews of Samsung 128GB T9 Micro SD Memory Card UHS-1 / Class 10
Overall Rating Snapshot
5 out of 5 stars from 1 review
100% of users recommend this product
Good card
The card works well, bit expensive to buy *any* sd card at the moment - but this one does its job in a security camera :)
Garry Sarney
Confirmed purchase 14 August 2026
Published on 13 September 2026
Yes, I recommend this product.
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At a glance
The Samsung T9 128GB microSD card is a fast, compact storage upgrade for phones, tablets, drones, action cameras and handheld gaming devices. It suits users who want reliable 4K recording, quick file transfers and solid app performance without stepping into ultra-specialised pro media. Its main limitation is capacity: 128GB may fill quickly if you shoot lots of high-bitrate 4K footage.
What it’s great for
- 4K Video Recording
- Drone Footage
- Action Cameras
- Mobile Storage Expansion
- App Storage
- Handheld Gaming
Where it works best
- Travel
- Outdoor Shooting
- Content Creation Setups
- Everyday Mobile Use
- Gaming On The Go
Who it’s for
- Content Creator
- Drone User
- Action Camera User
- Smartphone User
- Tablet User
- Everyday Gamer
Things to consider
While performance is strong for UHS-I media, users who need larger capacity or more headroom for extended high-bitrate recording may prefer a higher-capacity or more specialised professional card.
Device compatibility score
9/10 - Works well across most microSD-compatible smartphones, tablets, drones, cameras and gaming devices.
4k video suitability
9/10 - U3 and V30 ratings make it well suited to smooth 4K UHD recording on compatible devices.
Professional vs everyday use fit
Best for advanced everyday users and enthusiast creators who want fast, reliable UHS-I performance for 4K capture and mobile storage expansion.
Durability rating
6/10 - Built for portable everyday use, but no specific ruggedness or environmental resistance details were provided in the available specs.
Key benefits
- Up to 200MB/s Read Speed: Helps move large photo and video files faster on compatible devices and readers.
- Up to 130MB/s Write Speed: Supports quicker capture of large files and smoother burst or video workflows on compatible hardware.
- U3 Speed Class: Provides the sustained performance level needed for demanding video capture tasks.
- V30 Video Rating: Supports reliable 4K UHD video recording with a minimum 30MB/s sequential write performance class.
- A2 App Performance Rating: Improves app loading and responsiveness on compatible smartphones, tablets and gaming devices.
- 128GB Capacity: Gives useful space for photos, videos, apps and game data without adding bulk.
- Broad Device Compatibility: Fits a wide range of devices with a microSD slot, including phones, tablets, drones and cameras.
- Compact Physical Size: At 1.5cm x 1.1cm x 0.1cm, it is easy to carry and install in space-limited devices.
Q: Is the Samsung 128GB T9 microSD card compatible with Samsung tablets and phones?
A: Yes, if the device has a microSDXC slot and supports 128GB or larger cards. This model is a UHS-I microSD card, so it suits many Samsung tablets and phones, but older devices limited to microSDHC may not recognise it.
Q: What do the Class 10, U3 and V30 ratings mean on this Samsung T9 card?
A: These ratings indicate the card is built for fast, sustained recording, not just quick file transfers. Class 10, U3 and V30 make it suitable for Full HD and many 4K recording tasks in compatible devices, although results still depend on the camera.
Q: How much can 128GB store on this microSD card in real use?
A: A 128GB card typically holds roughly 20,000 to 35,000 photos, or around 10 to 20 hours of Full HD video, depending on file size and bitrate. Usable space will be a little lower after formatting and system overhead are accounted for.
Q: Is this Samsung T9 128GB card a good choice for 4K recording?
A: Yes, for devices that support microSDXC UHS-I and do not require a higher bus class. Its U3 and V30 speed ratings are aimed at high bitrate recording, but some premium cameras may still recommend faster UHS-II or V60 cards instead.
Q: Do I need an adapter to use this card in a camera or laptop SD slot?
A: Yes, if the device has a full-size SD slot rather than a microSD slot. This product is a microSD card, and the provided specs do not confirm an SD adapter is included, so check your device slot type before buying.
Q: Why does this card show less than 128GB available after formatting?
A: Because storage brands rate 128GB using decimal capacity, while devices often report usable space differently after formatting. A small portion is also reserved for the file system, so the available capacity always appears lower than the label.