Samsung 256GB T9 Micro SD Memory Card UHS-1 / Class 10
MB-MH256T/WW
Product Overview
Key Features
- USB Flash Drive for portable storage
- 256GB capacity for files and media
- Read speed up to 200mb/s
- Class 10, V30
- Grade 3 (U3)
Key Specifications
- Brand:
- Samsung
- Model Number:
- MB-MH256T/WW
- Storage Capacity:
- 256GB
- 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
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At a glance
This 256GB Samsung microSD card is a fast, compact storage upgrade for smartphones, tablets, drones, action cameras and gaming handhelds that support microSDXC. It suits users who want reliable 4K-ready performance, quick transfers and strong app responsiveness. Its main limitation is that it uses UHS-I, so it will not match the top speeds of higher-end specialist cards or devices built for faster interfaces.
What it’s great for
- 4K video recording
- Photo storage
- Mobile app storage
- Drone footage capture
- Action camera use
- Handheld gaming expansion
- Everyday file backups
Where it works best
- Smartphones
- Tablets
- Drones
- Action cameras
- Handheld gaming consoles
- Travel kits
- Everyday mobile devices
Who it’s for
- Everyday user
- Mobile photographer
- Content creator
- Drone hobbyist
- Action camera user
- Gamer
- Traveller
Things to consider
It offers strong UHS-I performance for mainstream devices, but users with specialist workflows may prefer a higher-end card or platform with faster interface support for even quicker sustained transfers.
Device compatibility score
9/10 - Broad fit for devices that support microSDXC, including phones, tablets, drones, action cameras and gaming handhelds.
4k video suitability
9/10 - U3 and V30 ratings make it well suited to 4K recording on compatible devices.
Professional vs everyday use fit
Best for advanced everyday use and enthusiast content capture rather than top-end specialist production workflows.
Durability rating
6/10 - Reliable brand-backed card with a 3 year warranty, but no specific ruggedness claims were provided here.
Key benefits
- 256gb capacity: Gives you room for thousands of photos, hours of video and large app libraries without frequent file clearing.
- Microsdxc format: Works with a wide range of compatible devices including smartphones, tablets, drones, action cameras and handheld gaming consoles.
- U3 speed class: Supports higher-performance recording needs on compatible devices, including smooth 4K video capture.
- V30 video rating: Helps maintain video performance suited to 4K recording at a V30-rated minimum sustained write level.
- A2 app performance: Improves responsiveness for app storage and loading on supported mobile devices.
- Up to 200mb/s read speed: Reduces waiting time when moving large files, viewing media or backing up content.
- Up to 130mb/s write speed: Speeds up saving footage, transferring files and handling large media captures.
- 3 year manufacturer's warranty: Adds confidence for long-term everyday storage use.
Q: Will this Samsung 256GB T9 microSD card work in any phone, camera or gaming device?
A: No. This is a microSDXC UHS-I card, so the device needs to support the microSDXC format for 256GB capacity. It will fit microSD slots directly, but older devices that only support microSDHC may not recognise cards above 32GB.
Q: Is this card suitable for recording 4K video on compatible devices?
A: Yes, it carries a U3 and Class 10 speed rating, which suits many devices that need sustained write performance for higher resolution recording. Actual 4K support still depends on the camera, codec and bitrate requirements of the device.
Q: Can this 256GB microSD card be used in a full-size SD card slot?
A: Yes, but only with a microSD to SD adapter, and an adapter is not listed in the provided specs for this model. Performance will still be limited by the host device, so an older SD reader may run slower than the card’s UHS-I capability.
Q: What does the 200MB/s read speed mean in everyday use for this Samsung card?
A: It means file access and transfers can be quicker when the card is used in a compatible UHS-I reader that supports the required mode. On older readers or basic devices, speeds can be noticeably lower because the host hardware becomes the bottleneck.
Q: Is 256GB a good size if the card will be used for photos, videos and app data?
A: Yes, 256GB suits mixed use such as thousands of photos, offline media and large app files without stepping up to a higher-capacity card. The trade-off is that microSDXC support is required, so it is less suitable for older devices with lower capacity limits.